God wants spiritual fruit, not religious nuts. - Unknown
NWS National Hurricane Center Miami FL
0005 UTC Thu Mar 4 2021

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 32N. The following information is based on satellite
imagery, weather observations, radar and meteorological analysis.

Based on 1800 UTC surface analysis and satellite imagery through
2300 UTC.

...SPECIAL FEATURES...

Atlantic Gale Warning: A deepening low pressure system of 1005 
mb is analyzed off the coast of Georgia, with a cold front 
extending southwestward across north-central Florida into the 
Gulf of Mexico near Marco Island, Florida. Satellite-derived 
winds data indicated gale-force winds occurring N of 29N ahead of
the cold front. Gale conditions will persist ahead of the front 
and mainly N of 29N through Thu. The low pressure will move NE, 
dragging the front across the western Atlantic. The front will 
extend from 31N65W to central Cuba on Thu, and from 31N58W to 
eastern Cuba on Fri. Seas will peak 14-16 ft ahead of the front, 
and within the area of gale force winds on Thu. Please read the 
latest NWS High Seas Forecast from the National Hurricane Center 
at the website:
www.nhc.noaa.gov/text/MIAHSFAT2.shtml for more details on the
Gale Warning.

...MONSOON TROUGH/ITCZ...

The monsoon trough enters the Atlantic Ocean through the west 
coast of Africa near the Sierra Leone/Guinea border at 09N13W and
continues to 05N20W. The ITCZ extends from 05N20W to 03N35W to 
near the coast of Brazil near 00N50W. Scattered moderate convection
is noted from 01N-04N between 15W-20W. 

GULF OF MEXICO...

As of 1800 UTC, a cold front extends from near Marco Island, 
Florida to southwest Gulf of Mexico near 19N92W. Gentle to 
moderate northerly winds are noted behind the front, with seas of
3-6 ft, highest in the Bay of Campeche. Cold air stratocumulus 
clouds are seen on visible satellite imagery behind the front. A 
narrow band of showers is associated with the front, and is now 
moving across south Florida and the Florida Keys. 

The front will move across the SE Gulf, reaching from the Straits
of Florida to the northwest Yucatan Peninsula tonight. The front
will move into the northwest Caribbean on Thu. High pressure will
follow the front, and will dominate the Gulf waters through Fri.
A low pressure is forecast to develop over the Gulf region Fri 
night into Sat. The low pressure will deepen and move rapidly 
toward the northeast Gulf by late Sat, dragging a cold front 
across the Gulf through Sun. Fresh to strong northerly winds are 
expected over the western Gulf on Sat between the low pressure 
and a high pressure center located over NE Texas. Then, the 
pressure gradient will tighten across the Gulf waters Sun night 
into Mon supporting fresh to strong easterly winds over the 
eastern half of the Gulf.

CARIBBEAN SEA...

The most recent scatterometer data provided observations of moderate
to fresh trade winds across the east and central Caribbean, with
fresh to strong winds near the coast of Colombia. Seas are generally
in the 5-8 ft range, with the exception of 8-10 ft near the coast
of Colombia. As it is normal for this time of the year, shallow
moisture embedded in the trade wind flow is moving across the
area producing isolated to scattered passing showers.

Ridging north of the area over the western Atlantic is shifting 
southeastward ahead of a cold front currently moving off the 
east coast of Florida. This pattern will support fresh to strong 
trade winds over the southern Caribbean, but gentle to moderate 
winds elsewhere through Thu. A cold front that now extends over
the SE Gulf of Mexico will move into the northwest Caribbean on 
Thu, then stall briefly along 20N from eastern Cuba to the near
Cozumel, Mexico on Fri and dissipate late Fri into Sat. High
pressure building southward across the western Atlantic, Florida
and the eastern Gulf of Mexico will bring an increase in winds
over the NW Caribbean, in the lee of Cuba Sun night into Mon.
Under this patter pattern, expect also increasing winds across
the Windward passage and the central Caribbean later on Mon. 

ATLANTIC OCEAN...

Attention remains focused on the deepening low pressure located E
of NE Florida. See Special Features Section above for details on
the ongoing Gale Warning associated with this low. 

The remainder of the Atlantic forecast waters is under the
influence of a 1023 mb high pressure located 26N37W. The
associated ridge covers the waters between the Canary Islands 
and 60W. Strong mid-upper westerly winds are transporting
abundant moisture from NE South America all the way to western
Africa, including the Cabo Verde Islands.  

Looking ahead, another low pressure system is forecast to affect
the western Atlantic and the regional waters of E Florida on Sat
likely producing gale-force winds. The low is forecast to move 
rapidly from central Florida toward Bermuda Sat night into Sun, 
dragging another cold front across the SW N Atlantic through Sun
night and Mon, when the front is forecast to reach the SE waters
and Hispaniola. High pressure building in the wake of the front
will produce a large area of fresh to strong N-NE winds across
the waters S of 27N W of 60W by Mon.

$$
GR

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I love communications! It gives me the ability to be an information broker - putting people in touch with others who can help them. It's very satisfying to bring people together this way ... and that's why I love working for charities, non-profits, humanitarian NGOs and aid agencies - all for the common good.

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I have a thing for environmental stuff and extreme weather events. I am somewhat of an amateur tropical meteorologist but am trying to get my head around temperate meteorology. I am also having some fun learning about gasification technologies.

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