-
TROPDISC: Caribbean Gale
From
Mike Powell@1:2320/105 to
All on Sat Feb 1 09:26:00 2025
535
AXNT20 KNHC 011033
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Sat Feb 1 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 1030 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: Pulsing gale force winds are expected
each night and morning offshore of Colombia through at least the
middle of next week as a tight pressure gradient persists between
ridging in the central Atlantic and low pressure over northwestern
Colombia. Very rough seas of 12 to 14 ft are anticipated with these winds.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic near 07N12W and continues
to 05N19W. The ITCZ continues from 05N19W to 01N50W. Scattered
moderate to isolated strong convection is occurring south of 05N
between 40W and 50W. Scattered moderate convection is noted south
of 08N between 10W and 40W.
...GULF OF MEXICO...
A cold front extends from northern Floria to the SW Gulf of
Mexico. Showers and thunderstorms are occurring in the
southeastern Bay of Campeche, west of a trough analyzed from
23N87W to 19N91W. Strong to near-gale force winds are occurring
behind the cold front offshore of Veracruz, where very rough seas
are noted. Moderate to locally fresh N winds and moderate seas are
occurring elsewhere behind the frontal boundary and in the
eastern Bay of Campeche. Moderate SW winds and slight to moderate
seas are present ahead of the front in the NE Gulf. Elsewhere in
the Gulf, moderate or weaker winds and slight to moderate seas are
prevalent.
For the forecast, the aforementioned cold front will slowly
progress southeastward today before stalling and eventually
dissipating this weekend. Moderate to fresh N to NW winds will
occur behind this front this morning, and strong to near-gale
force winds and very rough seas will occur offshore of Veracruz.
Winds will diminish from north to south today. High pressure will
build in the wake of the front, supporting gentle to moderate
winds and slight to moderate seas across the Gulf this afternoon
through early next week.
...CARIBBEAN SEA...
Please read the Special Features section regarding a Gale Warning
over the south-central Caribbean near the coast of Colombia.
A robust subtropical ridge over the western Atlantic continues to
dominate the Caribbean Sea. Outside of the south-central
Caribbean, fresh to strong E trade winds prevail across the
eastern, central and SW Caribbean. Moderate to rough seas are
noted in these waters. Moderate to locally fresh NE-E winds and
moderate seas are noted south of 20N in the NW Caribbean, while
light to gentle winds and slight to moderate seas are prevalent in
the rest of the area.
For the forecast, pulsing gale force winds are expected each
night and morning offshore of Colombia as a tight pressure
gradient persists between ridging in the central Atlantic and low
pressure over northwestern Colombia. Very rough seas of 12 to 14
ft are anticipated with these winds. Fresh trades will occur
across the southwestern, central and eastern Caribbean through the
middle of next week, with winds pulsing to fresh speeds in the
northwestern Caribbean by early next week. Pulsing strong winds
are expected in the central Caribbean, as well as through the
Windward Passage and downwind of Hispaniola. Rough seas will
accompany the fresh winds in the southwestern and central
Caribbean. Elsewhere, residual E swell will combine with new N
swell this weekend, leading to locally rough seas near the
Windward and Leeward Islands and through the passages into the
Caribbean through next week. Otherwise, slight to moderate seas
are expected in the northwestern Caribbean.
...ATLANTIC OCEAN...
A stationary front extends from 31N40W to 26N56W, then followed
by a shear line to just north of Hispaniola. The rest of the SW
North Atlantic, west of 55W, is under the influence a strong
subtropical ridge north of the area. The pressure gradient between
the aforementioned high pressure and lower pressures associated
with a cold front moving off the southeastern coast of the United
States is resulting in fresh to strong S winds and moderate to
rough seas north of 28N and west of 70W. Fresh to locally strong E
to SE winds and moderate to rough seas are present in the
remainder of the SW North Atlantic.
The rest of the tropical Atlantic is dominated by a 1033 mb high
pressure system between the Azores and Madeira Islands. The tight
pressure gradient between this ridge and lower pressures in NW
Africa and deep tropics result in fresh to near gale-force N-NE
winds south of a line from 31N22W to 25N55W and east of 55W. These
winds are sustaining rough to locally very rough seas, with the
highest seas occurring north of the Cabo Verde Islands and between
the Canary Islands and Morocco. Moderate to fresh E winds and
moderate to rough seas are evident south of 20N and between 50W
and the Lesser Antilles. In the remainder of the basin, moderate
or weaker winds and moderate seas are prevalent.
For the forecast, a tightening pressure gradient between high
pressure in the central Atlantic and a cold front moving off the
coast of the southeastern United States will support widespread
fresh E to SE winds north of 22N early this morning. Strong S
winds will be possible off the coast of Florida, north of 28.5N,
this morning. The cold front will progress eastward today before
eventually stalling and dissipating this weekend. Winds will
diminish in the aforementioned areas by this afternoon as the
pressure gradient relaxes between the cold front and the ridge.
Elsewhere, fresh to strong E winds and rough seas will prevail
south of 22N through the middle of next week. North of 22N, gentle
to moderate winds and moderate seas are expected for Sun through
early next week.
$$
ADAMS
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From
Mike Powell@1:2320/105 to
All on Tue Feb 4 09:30:00 2025
977
AXNT20 KNHC 041054
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Tue Feb 4 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 1040 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: A strong ridge north of the area will
continue to support fresh to strong trade winds across the south-
central Caribbean. Winds will pulse to gale-force each night
offshore of Colombia through the remainder of the week. Peak seas
with these winds are expected to be at or near 12 ft.
...MONSOON TROUGH/ITCZ...
The monsoon trough axis enters the Atlantic through the coast of
Sierra Leone near 07N12W and continues southwestward to near
05N16W. The ITCZ extends from 05N16W to 00N30W to 02N38W to 00N45W.
Scattered moderate convection is ongoing from 01N to 06N between
10W and 24W, and from 05S to 05N between 22W and 33W.
...GULF OF MEXICO...
A broad surface ridge extends basin-wide from a 1022 mb high
pressure centered just south of the Florida Big Bend, which is
supporting gentle to locally moderate winds across the basin.
Areas of locally moderate winds include the Yucatan Peninsula and
NW Cuba adjacent waters, and the Bay of Campeche. Seas are
generally slight, except moderate over the Bay of Campeche. Middle
level divergence is supporting scattered showers across the
central and SW Gulf. Otherwise, dense fog prevail across the
northern and SE Gulf offshore waters.
For the forecast, high pressure will dominate the Gulf of Mexico
this week, supporting mainly gentle to moderate winds and slight
to moderate seas across the basin. Moderate to fresh NE to E winds
are forecast at night north of the Yucatan Peninsula and in the
Bay of Campeche as a surface trough develops over the Peninsula
and moves westward towards Tampico and Veracruz diurnally.
...CARIBBEAN SEA...
Please read the Special Features section for information on
expected gale-force winds near the coast of Colombia.
Aside from the occurrence of gale-force winds off northwestern
Colombia, the gradient between strong high pressure north of the
area and relatively lower pressure present in the southwestern
Caribbean and in Colombia continues to allow for fresh to strong
trade winds in the central, north-central and in the
southwestern Caribbean Sea, including the Windward Passage.
These winds sustain moderate to rough seas in these waters.
Moderate to fresh northeast to east winds along with seas of
mostly 4 to 6 ft are over the northwestern and eastern Caribbean.
For the forecast, northeast strong trades will pulse to gale
force each night with rough seas offshore of Colombia this week,
supported by a tight pressure gradient between low pressure over
NW Colombia and the Bermuda High. NE to E trades will be fresh to
strong in the central Caribbean, through the Windward Passage, in
the Gulf of Venezuela, and downwind of Hispaniola and Cuba.
Otherwise, E swell will support locally rough seas near the
Windward and Leeward Islands as well as the Atlantic passages into
the Caribbean before diminishing tonight. Large E swell will
resume across the Leeward Islands offshore zones Thu into at least Sat night.
...ATLANTIC OCEAN...
The subtropical Atlantic waters are under the influence of the
Bermuda-Azores High, which is supporting light to gentle winds and
moderate seas over the western and central waters N of 25N. Over
the eastern subtropical waters, a tighter pressure is leading to
fresh to locally strong NE to E winds and rough seas to 11 ft,
strongest in the vicinity of the Cape Verde Islands. Moderate to
fresh trades and rough seas to 10 ft are elsewhere across the
tropical Atlantic waters.
For the forecast west of 55W, the Bermuda-Azores High north of
the region will promote generally moderate or weaker winds across
the offshore waters for the next several days, except for fresh to
strong NE winds across the approach to the Windward Passage.
Otherwise, rough seas in E swell should develop across the
offshore waters east of 70W and south of 24N late Thu through at
least Sat night.
$$
Ramos
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From
Mike Powell@1:2320/105 to
All on Thu Feb 6 09:09:00 2025
150
AXNT20 KNHC 061049
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Thu Feb 6 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 1040 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: A strong ridge north of the area will
continue to support fresh to strong trade winds across the south-
central Caribbean. Winds will pulse to gale-force each night
offshore of Colombia through early next week. Peak seas with
these winds are expected to be at or near 12 ft.
...MONSOON TROUGH/ITCZ...
The monsoon trough passes through the coastal plains of Liberia
near 06N10W to 04N15W. The ITCZ continues from 04N15W to 02S37W.
Scattered moderate convection and thunderstorms are ongoing from
08S to 04N between 21W and 44W.
...GULF OF MEXICO...
Surface ridging associated with a 1021 mb high pressure centered
off Cedar Key, Florida near 29N83W extends basin-wide. A surface
trough prevails over the eastern Bay of Campeche producing
isolated showers, and supporting moderate winds. A tighter
pressure gradient over the SE Gulf is also supporting moderate E
to SE winds through the Florida Straits and the Yucatan Channel.
Seas across the basin are slight, except moderate over NW Cuba
adjacent waters.
For the forecast, fresh to locally strong NE to E winds will
occur each afternoon and evening offshore of the Yucatan Peninsula
and through the Florida Straits as a surface trough develops over
the Yucatan Peninsula daily and moves westward towards Tampico
and Veracruz. Otherwise, high pressure over the remainder of the
basin will support gentle to moderate winds and slight to moderate
seas through early next week.
...CARIBBEAN SEA...
See the Special Feature Section for details on an ongoing Gale
Warning off the coast of Colombia.
A broad subtropical ridge north of the area is supporting fresh
to strong NE to E winds across the central and southwest
Caribbean, the lee of Cuba and Hispaniola, and the Windward
Passage. Moderate to fresh NE to E winds prevail elsewhere along
with moderate seas.
For the forecast, winds will pulse to gale force each night and
early morning offshore of Colombia as a strong pressure gradient
prevails between high pressure over the western Atlantic and low
pressure over northwestern Colombia. Locally rough seas will be
possible near and to the west of the strongest winds. Fresh E to
NE trade winds and rough seas are expected across the remainder
southwestern and central Caribbean through early next week, with
winds pulsing to strong speeds through the Windward Passage, in
the Gulf of Venezuela, downwind of Hispaniola and in the lee of
Cuba. Moderate to locally fresh NE winds will occur across the
remainder of the basin. East swell developing today will lead to
rough seas near the Windward and Leeward Islands and their
passages into the eastern Caribbean Sea through Mon night.
...ATLANTIC OCEAN...
Surface ridging prevails over the western and eastern subtropical
Atlantic waters while the tail of a cold front continues to move
eastward over the central Atlantic. The front extends from 31N52W
to 27N61W. A surface trough is ahead of the front from 30N49W to
25N57W with isolated showers. Moderate to fresh NE to E winds are
ongoing behind the front between 55W to 72W with mainly moderate
seas. Winds of same magnitude and direction are also ongoing over
the subtropical waters E of 30W where rough seas to 9 ft are
present. Otherwise, moderate to fresh NE to E winds are across the
tropical Atlantic with locally strong NE winds just west of the
Cape Verde Islands. Seas over the tropics are 8 to 9 ft.
For the forecast west of 55W, moderate to fresh E trade winds
will prevail south of 25N through Mon night. An increasing
pressure gradient due to building high pressure in the western
Atlantic will support moderate to fresh NE winds north of 25N and
east of 70W through Fri morning. Winds will diminish in this
region thereafter, with gentle to moderate winds continuing into
early next week. Developing east swell will lead to rough seas NE
of the Leeward Islands and NE of Puerto Rico this evening through Sun.
$$
Ramos
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From
Mike Powell@1:2320/105 to
All on Fri Feb 7 09:40:00 2025
464
AXNT20 KNHC 071011
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Fri Feb 7 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 0900 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: A strong ridge centered north of the area
will continue to support fresh to strong trade winds across the
south- central Caribbean. Winds will pulse to gale-force each
night offshore of Colombia through the weekend. Peak seas with
these winds are expected to be at or near 12 ft.
...MONSOON TROUGH/ITCZ...
The monsoon trough passes through the coastal plains of Liberia
near 05N10W to 03N18W. The ITCZ extends from 03N18W to 00N39W.
Scattered moderate convection is noted from 00N to 03N between 16W and 39W.
...GULF OF MEXICO...
A surface ridge extends from the western Atlantic to the
northern Gulf. A trough is analyzed just W of the Yucatan
Peninsula. Gentle to moderate E winds are present in the southern
Gulf with light S winds in the north. Seas are 1 to 3 ft, except
locally 4 ft in the Yucatan Channel and the Straits of Florida. No
significant convection is evident. Some fog is restricting
visibility within about 90 nm of the northern Gulf coast.
For the forecast, fresh NE to E winds are expected each afternoon
and evening offshore of the Yucatan Peninsula through the middle
of next week. Otherwise, high pressure will support gentle to
moderate winds and slight to moderate seas into the middle of next week.
...CARIBBEAN SEA...
See the Special Feature Section for details on a Gale Warning off
the coast of Colombia.
A broad subtropical ridge centered north of the area is
supporting fresh to strong NE to E winds and rough seas across
the central and southwest Caribbean and the Windward Passage.
Moderate to fresh NE to E winds prevail elsewhere along with
moderate seas. No significant convection is present.
For the forecast, a tight pressure gradient between high pressure
over the western Atlantic and low pressure over northwestern
Colombia will support pulsing winds to gale force each night and
early morning offshore of Colombia through next week. Rough seas
are expected near and to the west of the strongest winds. Fresh E
to NE trade winds and rough seas are expected across the remainder
southwestern and central Caribbean through the middle of next
week, with winds pulsing to strong speeds through the Windward
Passage, in the Gulf of Venezuela, and downwind of Hispaniola.
Moderate to locally fresh NE winds will prevail across the
remainder of the basin. East swell will bring rough seas near the
Windward and Leeward Islands and their passages into the eastern
Caribbean Sea through early next week.
...ATLANTIC OCEAN...
A surface ridge extends from 1032 mb high pressure centered near
41N50W to the Florida Peninsula. Farther east, a surface trough
reaches from 31N38W to 28N50W. This pattern is supporting moderate
to fresh NE winds and 6 to 8 ft seas south of 30N between 50W and
65W, and gentle breezes with 5 to 6 ft elsewhere north of 24N and
west of 71W. Fresh trades and 7 to 9 ft are noted south of 25N
over the tropical Atlantic. No significant convection is occurring.
For the forecast W of 55W, mainly fresh trade winds will prevail
south of 25N through Tue night. Elsewhere, gentle to moderate
winds will prevail into early next week. East swell will bring
rough seas NE of the Leeward Islands and NE of Puerto Rico through Sun.
$$
Konarik
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From
Mike Powell@1:2320/105 to
All on Tue Feb 11 09:54:00 2025
470
AXNT20 KNHC 111017
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Tue Feb 11 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 1000 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning:
A tight pressure gradient between high pressure centered N of the
basin and lower pressure over northwestern Colombia will continue
to support strong to near-gale winds at the south- central
Caribbean through Friday. These winds are expected to peak at
gale- force during the nighttime and early morning hours offshore
of Barranquilla, Colombia. Seas will peak at 11 to 13 ft near the
highest winds.
...MONSOON TROUGH/ITCZ...
A monsoon trough enters the Atlantic Ocean through the coast of
Sierra Leone near Freetown, then extends southwestward to 03N16W.
An ITCZ meanders westward from 03N16W to 00N42W. Scattered
moderate to isolated strong convection is noted up to 180 nm along
either side of the ITCZ.
...GULF OF MEXICO...
A stationary front extends from near Pensacola, Florida, to New
Orleans, Louisiana, to near Galveston Bay. Convection associated
with this front has diminished early this morning, but patchy fog
is restricting visibility within about 90 nm S of the boundary.
Elsewhere, ridging from a 1022 mb high pressure center N of the
Bahamas is leading to mainly moderate SE winds and 2 to 4 ft seas
throughout the basin.
For the forecast, a cold front will enter the NW Gulf Wed night,
then stall from the Bay of Campeche to near the Florida Big Bend
Fri. Southerly winds will increase ahead of the front in the
central Gulf Wed. Strong to near gale force winds are expected
behind the front, possibly reaching minimal gale force off
Tampico, Mexico briefly Thu evening.
...CARIBBEAN SEA...
Please refer to the Special Feature section for information on a
Gale Warning offshore Colombia.
The Atlantic Ridge oriented along 28N is sustaining a trade-wind
regime across the Caribbean Basin. Outside the Gale Warning area,
strong ENE winds and seas of 9 to 11 ft are evident in the central
basin. Fresh with locally strong NE to ENE winds and 6 to 9 ft
seas are noted across eastern basin, as well as the Windward and
Mona passages. Moderate to fresh ENE winds and seas at 3 to 6 ft
dominate the western basin.
For the forecast, fresh E to NE trade winds and rough seas are
expected across the remainder southwestern and central Caribbean
into the weekend, with winds pulsing to strong speeds through the
Windward Passage, in the Gulf of Venezuela, and S of Hispaniola.
As the high pressure to the north builds southeast for the latter
half of the week, strong winds and rough seas will expand to
include much of the eastern Caribbean.
...ATLANTIC OCEAN...
A surface ridge extends west-southwestward from the northeastern
Atlantic across 31N37W and a 1025 mb high near 28N56W to a 1022
mb high north of the Bahamas. Light to gentle winds with 3 to 6 ft
seas in mixed moderate swells are found north of 25N. Farther
south, mainly fresh ENE winds and seas of 7 to 10 ft exist.
For the forecast W of 55W, fresh to locally strong trade winds
will prevail south of 25N through the weekend. Gentle to moderate
winds will prevail N of 25N until Fri, when a cold front will
slide south of 30N to the W of 70W, bringing fresh to strong NE
winds behind it. Easterly swell and waves from the aforementioned
trade winds will lead to rough seas S of 22N through the weekend.
$$
Konarik
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From
Mike Powell@1:2320/105 to
All on Wed Feb 12 08:36:00 2025
685
AXNT20 KNHC 121026
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Wed Feb 12 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 1000 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: The tight pressure gradient between a 1027
mb high pressure system near Bermuda and lower pressures in
northern Colombia is resulting in pulsing winds to gale force
each night and early morning offshore of Colombia. This is
expected to continue through early Fri morning. Rough to very
rough seas are forecast with these winds, peaking near 14 ft
during the highest winds. Winds and seas will diminish somewhat
during the weekend.
...MONSOON TROUGH/ITCZ...
The monsoon trough reaches the eastern Atlantic through the coast
of Guinea-Bissau near 12N16W and continues southwestward to
03N24W. The ITCZ extends from 03N24W to 00N37W and to 00N50W.
Scattered moderate convection is observed south of 05N and
between 22W and 42W.
...GULF OF MEXICO...
A frontal boundary over the far NW Gulf is now retreating N as a
warm front, noted early this morning from SE Louisiana to the
upper Texas coast. Convection associated with this feature has
moved well inland. Elsewhere, a ridge over the western Atlantic
continues to influence the weather conditions in the Gulf of
Mexico. The pressure gradient between this ridge and lower
pressures in Mexico and southern Texas support fresh southerly
winds over much of the basin. These winds are sustaining seas of 3-6 ft.
For the forecast, a cold front will enter the NW Gulf late tonight,
then stall from just N of Tampa Bay to near Veracruz, Mexico by
Fri night. Strong S winds are expected ahead of this front into
tonight, mainly in the central Gulf. Strong to near gale force
winds are expected behind the front in the western Gulf. Looking
ahead, the next cold front is expected to enter the NW Gulf early
Sun and move SE across the basin by Mon evening. Strong to near
gale force N winds will also follow this front in the western Gulf.
...CARIBBEAN SEA...
A Gale Warning remains in effect off the coast of Colombia. Please,
read the Special Feature Section for details.
The basin remains under the dominion of a broad subtropical ridge
positioned over the central and western Atlantic. The pressure
gradient between this ridge and the Colombian low forces fresh to
strong winds across the central and eastern Caribbean, including
the Windward Passage. Seas in these waters are 6-10 ft. Moderate
to locally fresh easterly winds and moderate seas are noted in the
rest of the Caribbean.
For the forecast, the pressure gradient between a high pressure
ridge across the western Atlantic along 28N and low pressure over
northwestern Colombia will support strong trade winds across the
central Caribbean pulsing to gale force each night and early
morning near the coast of NW Colombia through Thu night. Rough to
very rough seas are expected near and to the west of the highest
winds. Fresh E to NE trade winds and rough seas are expected
across the remainder of southwestern and central Caribbean into
the weekend, with winds pulsing to strong speeds through the
Windward Passage, in the Gulf of Venezuela, and S of Hispaniola.
Atlantic high pressure will move to near 55W early Thu through
Fri, briefly shifting the zone of strong trade winds and rough
seas across the eastern Caribbean and Tropical North Atlantic
waters. Looking ahead, Atlantic high pressure will begin to shift
eastward Mon and Tue, leading to decreasing winds and seas across the basin.
...ATLANTIC OCEAN...
A weak cold front is sagging just S of 30N from 50W to 70W.
Otherwise, the basin is dominated by a broad subtropical ridge.
Fresh to locally strong easterly trade winds are present south of
25N and west of 55W. Seas in the area described are 6-9 ft.
Moderate to fresh southerly winds and moderate seas are noted west
of 75W and north of 25N.
The subtropical ridge is also forcing fresh to strong NE-E trade
winds south of 23N and between Africa and the Lesser Antilles.
Wave heights in these waters are in the 7 to 10 ft range. The
strongest winds and highest seas are found west of 50W and south
of 20N. Elsewhere in the basin, moderate or weaker winds and
moderate seas are prevalent.
For the forecast W of 55W, fresh to locally strong trade winds
will prevail south of 25N through the weekend as the Atlantic
ridge persists along 28N-29N. Associated easterly swell will also
lead to rough seas S of 22N through the weekend. Gentle to
moderate winds will prevail N of 25N until Thu, when a cold front
will move into the NW waters, south of 30N and to the W of 70W,
bringing fresh to strong NE winds behind it. The front is expected
to move eastward into the weekend, and stall E to W along 26N on
Sat. The next front will exit the SE U.S. Sun night and reach from
near Bermuda to the NW Bahamas Mon afternoon.
$$
Konarik
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From
Mike Powell@1:2320/105 to
All on Sat Feb 22 09:52:00 2025
538
AXNT20 KNHC 220815
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Sat Feb 22 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through
0815 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: High pressure N of the area combined with
the Colombian low will support pulsing winds to gale force off
the coast of Colombia tonight. Seas will build to 11 or 12 ft
with these winds. Strong winds and rough seas are expected during
the daytime hours.
...MONSOON TROUGH/ITCZ...
The monsoon trough extends from 08N13W to 02N25W. The ITCZ continues
from 02N25W to 00N50W. Scattered moderate to locally strong
convection is noted within 360 nm S of the ITCZ/monsoon trough
between 10W and 30W.
...GULF OF MEXICO...
A 1022 mb low pressure area is centered over the NW Gulf, with
associated cold front extending to near Tampico, Mexico. Fresh to
strong winds are west of the front as well as NE of the low. Strong
to near gale force winds, and seas of 8-11 ft, are off the coast
of Veracruz, Mexico. Elsewhere W of 90W, seas are in the 7-10 ft
range. Moderate to fresh winds, and seas of 4-7 ft, prevail E of
90W.
For the forecast, the low will track NE through early Sun night,
then quickly E to SE toward southern Florida on Mon with the cold
front trailing from the low as it moves across the basin. Fresh to
strong winds are expected around the low pressure while moderate
to fresh winds are expected behind the boundary. Weak high
pressure will settle over the central Gulf Tue through Wed night
in its wake with tranquil marine conditions across the basin.
...CARIBBEAN SEA...
A Gale Warning is in effect off the coast of Colombia. Please,
refer to the Special Features section above for more details.
A dissipating frontal boundary is over the NW Caribbean. Moderate
to fresh winds, and seas of 5-7 ft, are W of the front. Fresh to
strong winds are in the lee of Cuba. Aside from the gale force
winds off Colombia, fresh to strong winds are over the south
central Caribbean, with moderate to fresh winds over the north
central Caribbean. Gentle to moderate winds prevail over the
eastern Caribbean. Seas of 8-10 ft are in the south central
Caribbean, with 4-6 ft seas elsewhere.
For the forecast, moderate to fresh trade winds and moderate seas
will prevail over most of the central and eastern Caribbean
through Mon night, except for strong to near gale-force winds and
rough seas offshore of Colombia and within and near the Gulf of
Venezuela. Winds off Colombia will pulse to gale-force tonight. A
stationary front over the NW Caribbean will dissipate today.
Strong high pressure building in the wake of the front will bring
fresh to strong NE winds in the Lee of Cuba and the Windward
Passage through early Sun.
...ATLANTIC OCEAN...
A cold front extends from near 31N51W southwestward to the
southern Bahamas, then becomes stationary to central Cuba. Fresh
to strong winds, and seas of 8-11 ft are N of 29N E of the front
to 45W. Fresh to strong winds are S of 23N W of the front with
gentle to moderate winds elsewhere W of the front. Seas of 8-14 ft
are W of the front to 75W, and 4-7 ft W of 75W. A surface ridge
extends from 31N28W SW to near 24N59W, with light to gentle winds
along the ridge axis. Fresh to strong winds are west of the coast
of Africa to just W of the Cabo Verde Islands. Moderate winds
prevail elsewhere. Seas of 8-12 ft prevail over much of the waters
E of 50W, and 5-8 ft elsewhere.
For the forecast west of 55W, the front will weaken as it reaches
from near 26N55W to 24N60W tonight before dissipating. Strong
high pressure in the wake of the front will lead to fresh to
strong northeast winds south of 25N and west of the front,
including the Straits of Florida through tonight. Conditions will
improve Sun into early Mon. Broad low pressure from the Gulf will
quickly approach South Florida Mon, and track NE to north 31N by
late Tue night with a trailing cold front across the western part
of the area. By late Wed night, fresh to strong winds will be
confined to the NE part of the area.
$$
AL
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From
Mike Powell@1:2320/105 to
All on Fri Mar 21 09:32:00 2025
761
AXNT20 KNHC 210854
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Fri Mar 21 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 0830 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: A tightening pressure gradient between
higher pressure building in the western Atlantic and lower
pressure over Colombia will support fresh to strong trades in the
south- central part of the basin pulsing to gale-force speeds at
night and into the early morning hours into early next week. Seas
of 8 to 12 ft are expected with the strongest winds. Winds and
seas will diminish by the middle of next week.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic through the coast of
Africa near 10N14W and continues west-southwestward to 05N19W.
The ITCZ extends from 01N23W to 02S44W. Scattered moderate
isolated strong convection is noted from 00N to 04N between 03W
and 13W. Widely scattered moderate convection is observed from 02N
to 04N between 25W and 45W.
...GULF OF MEXICO...
High pressure is building into the Gulf waters, currently centered
over the NW Gulf. Fresh to strong winds, and seas of 6-9 ft
prevail SE of a line from the Florida panhandle to the Bay of
Campeche. Light to gentle winds, and seas of 2-3 ft, are in the
vicinity of the high center. Gentle to moderate winds, and seas of
4-6 ft are noted elsewhere.
For the forecast, fresh to strong winds and rough seas will
diminish today. High pressure will build in the Gulf, supporting
moderate to locally fresh S to SE winds over the western and
central Gulf, and gentle to moderate winds in the eastern basin
through this weekend. A surface trough will develop over the
Yucatan Peninsula and move into the Bay of Campeche nightly
through Sun, increasing winds to fresh to strong speeds in the
Peninsula adjacent waters. The next cold front may enter the
northwestern basin early next week.
...CARIBBEAN SEA...
Please refer to the Special Features section above for
information on a Gale Warning.
A cold front is over the Yucatan channel. Moderate winds prevail
over the far NW Caribbean, with seas in the 3-4 ft range. Fresh to
strong winds, and seas of 8-9 ft are over the south central
waters, with moderate to fresh winds elsewhere S of 15N and E of
78W. Gentle to moderate winds, and seas of 2-5 ft, cover the
remainder of the Caribbean waters.
For the forecast, fresh to strong E to NE winds offshore of
Colombia and Venezuela will pulse to gale force offshore of
Colombia each night and early morning into early next week. A cold
front entering the northwestern Caribbean will support moderate
to fresh NE winds and moderate seas in the wake of the front
through this morning. The front will dissipate today. Fresh to
occasionally strong NE winds will pulse in the Windward Passage
and in the lee of Cuba into early next week. Fresh to strong SE
winds will develop across the Gulf of Honduras late this weekend
into early next week.
...ATLANTIC OCEAN...
A cold front is over the NW portion of the discussion waters.
Fresh to strong winds are E of the front with strong to near- gale
force winds S of the front. Seas over these waters are in the
9-10 ft range. Farther east, a cold front enters the waters near
31N51W and extends SW to near 27N55W. Scattered moderate and
isolated strong convection is within 90 nm SE of the front. A
surface trough is SE of the front, with an area of scattered
moderate and isolated strong convection in the vicinity of the
trough. Fresh to strong winds are found N of 26N and E of the
front to near 47W. Subsiding W to NW swell ushered in by these
features is supporting 8-locally 12 ft seas over the waters N of
18N between 50W and 67W. High pressure dominates the eastern
Atlantic, anchored by a 1029 high centered near 38N35W. Gentle to
moderate winds prevail across the eastern Atlantic. Seas of 8-11
ft are noted N of 16N and E of 31W, with seas in the 5-7 ft range elsewhere.
For the forecast west of 55W, rough seas E of 63W will subside
today. A cold front from 31N75W to S Florida will progress
eastward, with fresh to strong SW winds ahead of the front, and
strong to near- gale force winds and locally very rough seas
behind the front into early Sat. Fresh trade winds and rough seas
are expected to develop east of the Windward Islands this weekend
into early next week. High pressure will build in the wake of the
front over the western Atlantic this weekend.
$$
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From
Mike Powell@1:2320/105 to
All on Sat Mar 22 09:10:00 2025
778
AXNT20 KNHC 220830
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Sat Mar 22 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 0830 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: High pressure N of area combined with
the Colombian low will supporting pulsing winds to gale force
offshore of Colombia each night and early morning through Mon
night. Seas will build to near 14 ft with the strongest winds.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic through the coast of Africa
near 13N16W to 02N25W. The ITCZ continues from 02N25W to 00N50W.
Scattered moderate convection is noted from 02N to 05N between 15W
and 25W, and from 00N to 04N between 25W and 50W.
...GULF OF MEXICO...
High pressure prevails across the basin, anchored by a 1022 mb
located over the NE Gulf. Moderate to locally fresh winds are over
the Gulf waters W of 90W, where seas are in the 205 ft range.
Light to gentle winds, and seas of 2-3 ft, are in the vicinity of
the high center. Gentle winds, and seas of 4-6 ft are over the
remainder of the Gulf waters.
For the forecast, the area of high pressure will support moderate
to locally fresh S to SE winds over the western and central Gulf,
and gentle to moderate winds in the eastern basin into early next
week. A surface trough will develop over the Yucatan Peninsula
and move into the Bay of Campeche nightly through Sun, supporting
pulses of fresh to strong winds over adjacent waters. The next
cold front may enter the northwestern basin Mon, but will likely
dissipate as it moves through the central Gulf by Tue.
...CARIBBEAN SEA...
A Gale Warning is in effect offshore Colombia. Please, refer to
the Special Features section above for more information.
Outside of the gale area, fresh to strong NE winds prevail across
the southern half of the basin E of 80W, with moderate seas.
Moderate to fresh NE winds are noted across the northern half
with slight to locally moderate seas.
For the forecast, fresh to strong E to NE winds offshore of
Colombia and Venezuela will pulse to gale force offshore of
Colombia each night and early morning through early next week.
Fresh to occasionally strong NE winds will pulse in the Windward
Passage into early next week. Fresh to strong SE winds will
develop across the Gulf of Honduras from Sun night into the middle
of next week.
...ATLANTIC OCEAN...
A cold front extends from 31N60W to 25N70W, then becomes
stationary to central Cuba. Moderate to fresh winds are N of 28N
on either side of the front. Rough seas are behind the front and N
of 26N. High pressure dominates the remainder of the basin. Fresh
to strong winds, and rough seas, are E of 23W to the coast of
Africa from 12N to 25N. Gentle to moderate winds, and moderate
seas, generally prevail elsewhere.
For the forecast west of 55W, rough seas following the front will
subside to moderate by late today. The stationary portion of the
front will dissipate while the cold front shifts east of 55W late
today. High pressure will build in the wake of the front over the
western Atlantic along 30N. This pattern will support gentle
breezes and slight to moderate seas north of 22N into early next
week. The area of high pressure will shift eastward Mon enabling a
weak cold front to move off the northeast Florida coast. Fresh to
strong winds may pulse off the northern coast of Hispaniola late
Sun through Tue.
$$
AL
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From
Mike Powell@1:2320/105 to
All on Tue Mar 25 08:01:00 2025
590
AXNT20 KNHC 250841
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Tue Mar 25 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 0830 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning: Strong to gale force winds are pulsing off
the coast of Colombia, with seas peaking near 13 ft. Winds and
seas will decrease this morning, then pulse to gale force
offshore of Colombia again tonight. Winds will then pulse to near
gale force at night through Fri.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic near 09N13W and continues
SW to 06N19W. The ITCZ continues from 06N19W to 00N50W. Scattered
moderate convection is noted from 00N to 04N between 23W and 47W.
...GULF OF MEXICO...
A surface trough extends across the W Gulf, with weak high
pressure over the NE Gulf. The pressure gradient between these
features is supporting moderate to fresh winds, and seas of 4-5
ft, N and W of the Yucatan peninsula. Light to gentle winds, and
seas of 2-4 ft prevail elsewhere.
For the forecast, high pressure across the basin will generally
support light to gentle SE to S winds over the western and central
Gulf, and gentle to moderate winds over the eastern part of the
basin into Wed. A surface trough will develop over the Yucatan
Peninsula and move into the Bay of Campeche nightly through early
this week, supporting pulses of fresh to locally strong winds over
adjacent waters. A cold front will skirt the NE Gulf early today.
High pressure building into the basin in its wake will lead to
moderate to fresh southeast winds and building seas across the NW
Gulf by Thu.
...CARIBBEAN SEA...
A Gale Warning is in effect offshore Colombia. Please, refer to
the Special Features section above for more information.
Aside from the area of gale force winds, fresh to strong winds
prevail over the central Caribbean, with seas in the 8-11 ft
range. Fresh winds, and seas of 7-9 ft, are over the eastern
Caribbean. Fresh to strong winds, and seas of 6-7 ft, are found in
the Gulf of Honduras. Gentle to moderate winds, and seas of 4-6
ft, prevail elsewhere over the western Caribbean.
For the forecast, fresh to strong E to NE winds offshore of
Colombia and Venezuela will pulse to gale force offshore of
Colombia tonight. These winds will then pulse to near gale force
at night through Fri. Fresh to strong winds in the Gulf of
Honduras will diminish today.
...ATLANTIC OCEAN...
High pressure dominates the Atlantic discussion waters. Fresh to
strong winds prevail over the far eastern Atlantic waters west of
Africa to near 25W, where seas are in the 8-11 ft range. Moderate
to fresh winds, and seas of 4-7 ft are elsewhere N of 20N. Fresh
to locally strong winds, and seas of 7-8 ft, prevail S of 20N.
For the forecast west of 55W, high pressure over the western
Atlantic will support gentle breezes and slight to moderate seas
north of 22N through Wed. The area of high pressure will shift
eastward enabling a weak cold front to move off the northeast
Florida coast early today before dissipating. Fresh to locally
strong winds are likely to pulse off the northern coast of
Hispaniola into Wed. Another cold front may move into waters
between northeast Florida and Bermuda Wed. High pressure will
build in the wake of the front, bringing an increase in winds
across much of the waters S of 28N by the end of the week.
$$
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From
Mike Powell@1:2320/105 to
All on Wed Mar 26 08:00:00 2025
818
AXNT20 KNHC 260830
TWDAT
Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1215 UTC Wed Mar 26 2025
Tropical Weather Discussion for North America, Central America
Gulf of Mexico, Caribbean Sea, northern sections of South
America, and Atlantic Ocean to the African coast from the
Equator to 31N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.
Based on 0600 UTC surface analysis and satellite imagery through 0830 UTC.
...SPECIAL FEATURES...
Caribbean Gale Warning:
The pressure gradient between a surface ridge N of the area and
the Colombian low is supporting strong to gale force winds off
Colombia. Seas with these winds are peaking near 11 ft. Winds will
diminish below gale force early this morning.
...MONSOON TROUGH/ITCZ...
The monsoon trough enters the Atlantic near 07N12W and extends
southwestward to 05N16W. The ITCZ continues from 05N16W to
00N48W. Scattered moderate convection is noted from 00N to 05N
between 08W and 40W.
...GULF OF MEXICO...
High pressure dominates the northern Gulf, anchored by a 1022 mb
high centered just S of the Florida panhandle. A surface trough
extends off the west coast of the Yucatan peninsula. The pressure
gradient between these features is supporting fresh winds off the
west coast of the Yucatan, where seas are in the 3-4 ft range.
Light winds, and seas of 2 ft or less are in the vicinity of the
high center. Gentle to moderate winds, and seas of 2-4 ft prevail elsewhere.
For the forecast, the aforementioned area of high pressure will
support gentle to moderate winds over much of the basin today.
Winds will increase to moderate to fresh across the NW Gulf Thu,
then further increase to fresh to strong Thu night into Fri while
expanding in coverage before beginning to diminish Fri night. Seas
generated by these winds will build to around 10 ft in the NW
Gulf Fri and Fri night. A weak cold front may move into the NW
Gulf late Sun night into early next week.
...CARIBBEAN SEA...
Please refer to the Special Features section for details on a
Gale Warning off the coast of Colombia.
Aside from the area of gale force winds, fresh to near gale winds
are over the south central Caribbean, where seas are in the 8-10
ft range. Moderate to fresh winds, and seas of 6-8 ft prevail
elsewhere E of 80W. Over the western Caribbean, gentle to moderate
winds, and seas of 4-7 ft, are noted.
For the forecast, gale force winds off Colombia will diminish this
morning. Winds off Colombia will then pulse to near gale force
speeds tonight through Fri and to fresh to strong speeds for the
remainder of the period. Fresh to strong winds will develop in
the lee of Cuba, in the Windward Passage, over the waters between
Cuba and Jamaica and south of Hispaniola from late Thu through this weekend.
...ATLANTIC OCEAN...
High pressure dominates much of the Atlantic discussion waters,
anchored by a 1038 mb high centered near 38N39W. Fresh to strong
winds, and seas of 6-9 ft prevail over the waters E of 60W. Gentle
to moderate winds, and seas of 3-6 ft, are found over the waters W of 60W.
For the forecast west of 55W, a cold front will enter the waters
between northeast Florida and Bermuda today, and will shift
eastward, moving east of 55W by Thu night. High pressure will
build in the wake of the front, bringing an increase in winds
across much of the waters S of 28N by the end of the week. Winds
and seas will start to decrease this weekend as the high shifts
eastward and weakens.
$$
AL
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