Marine Weather
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marine weather discussion
NWS TPC/National Hurricane Center Miami FL
150 am EST Sat Nov 21 2009
Marine weather discussion for Gulf of Mexico...Caribbean Sea and
southwest north Atlc S of 31n W of 55w
Upper levels...
deep layer ridge extends from the southwest Caribbean across the
Greater Antilles and the northern Lesser Antilles to over the
southeast part of the Atlantic area. Moderate southwesterlies
are to the north and northwest of the ridge over the Gulf of
Mexico and the northern and northwestern part of the Atlantic
area. A shortwave is over the northwest Gulf of Mexico and will
move across the northern Gulf today and tonight reaching the
southeast United States Sunday to be absorbed by the westerly
flow north of the area. The ridge will contract some Wednesday
as a strong middle latitude trough develops over the central
United States.
Surface...
shortwave over Texas has associated surface low over the
northwest Gulf with winds of 20 to 25 knots near the low. Winds
will be confined to near the low because there is not much of a
high pressure either east or west of the low. Weak associated
cold front will become diffuse over the eastern Gulf Sunday and
Monday. Next cold front associated with the strong middle
latitude trough will move off the Texas coast Tuesday and reach
from North Florida to Bay of Campeche midday Wednesday and
central Florida to Yucatan Peninsula late Wednesday. Winds will
approach gale force in the southwest Gulf with this front.
Trades of 20 knots or more are confined to south of 17n east of
80w through Tuesday then will weaken some Wednesday as the above
mentioned frontal trough weakens the ridge north of the area
Wednesday.
Otherwise winds will be less than 20 kt.
Warnings...
Atlc...
.None.
Caribbean...
.None.
Gulf of Mexico...
.None.
$$
Forecaster ll
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