[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 261032
TWDAT

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1205 UTC Thu Nov 26 2020

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 0600 UTC surface analysis and satellite imagery through
1030 UTC.

...MONSOON TROUGH/ITCZ...

The monsoon trough passes through the coast of Sierra Leone near
08N13W to 08N17W. The ITCZ continues from 07N17W to 05N45W.
Scattered moderate isolated strong convection is noted from 04N
to 13N between 29W and 44W. Isolated trade wind showers are from
11N to 19N between 17W and 29W.

GULF OF MEXICO...

A weak stationary front extends across the NW Gulf of Mexico
from 30N91W to 26N98W. Isolated showers are on either side of
the frontal boundary. An Atlantic ridge noses into the eastern
Gulf. Upper level anticyclonic wind flow covers the Gulf of
Mexico.

The stationary front will drift northward today. A strong cold
front will move into the NW Gulf on Sunday morning, with fresh
to strong northerly winds spreading across the basin through
Monday.

CARIBBEAN SEA...

Upper level anticyclonic wind flow spans the Caribbean Sea, from
Hispaniola westward. A mid-level trough covers Central America.
The monsoon trough extends from 11N74W in northern Colombia to
09N83W in southern Costa Rica. Scattered moderate convection is
evident from 11N to 16N between 81W and 85W, and from 09N to 11N
between 79W and 84W.

High pressure north of the region will increase winds and seas
in the central Caribbean today. Moderate to fresh trade winds
will prevail across most of the area tonight through Sunday. A
cold front will reach the NW Caribbean Monday night.

ATLANTIC OCEAN...

A 1016 mb low pressure center is near 28N56W. A cold front
extends southward from the low to 20N57W. Scattered moderate
isolated strong convection associated with this low pressure
system is noted from 20N to 32N between 48W and 55W. Broken to
overcast multi-layered clouds and isolated showers are within
700 nm east of the cold front, from 20N northward. High pressure
centered near 37N31W prevails north of 20N, east of 45W.

Fresh NE winds associated with high pressure across the western
Atlantic will prevail east of the Bahamas today. Northerly swell
will affect Atlantic waters and passages through Friday. A
strong cold front will move east of Florida on Monday night.

$$
Mundell
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