000
AXNT20 KNHC 010000
TWDAT 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
805 PM EDT Mon Apr 30 2018

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 
2330 UTC.

...MONSOON TROUGH/ITCZ...
     
The monsoon trough extends SW from the coast of Africa near 
10N14W to 03N22W. The ITCZ continues westward from 03N22W to the 
coast of South America near 00N50W. Scattered moderate to strong 
rain showers from 02N to 07N between 14W and 19W. Scattered 
moderate isolated strong rain showers are south of 05N between 
37W and 50W.

...DISCUSSION...

GULF OF MEXICO...

Surface anticyclonic wind flow associated with a ridge that 
extends SW from southern Georgia into the Bay of Campeche 
prevails across the basin, with isolated showers observed in the 
SW Gulf, south of 23N and west of 94W. The high pressure center 
will move ESE tonight, with the ridge extending westward across 
the northern Gulf through Thursday. Moderate to fresh easterly 
winds will become fresh to strong in the far SE Gulf and Straits 
of Florida Tuesday, and continue through early Thursday as high 
pressure builds southeastward in the western Atlantic Ocean. 

CARIBBEAN SEA...

High pressure is centered near 36N44W in the central Atlantic. 
The ridge NE of the area will maintain fresh trade winds south 
of 17N with locally strong trades in the south central Caribbean 
through early Thursday. The southern part of a broad inverted 
trough will pass over the eastern Caribbean Sea Wednesday night, 
then across Hispaniola Thursday night and Friday, followed by 
fresh to locally strong E to SE winds, and more active weather. 

ATLANTIC OCEAN... 

A weakening cold front passes through 32N66W in the Atlantic 
Ocean, and extends SW across the northern Bahamas to the straits 
of Florida. Clouds and showers are evident SE of the frontal 
boundary, between 61W and 68W.  

High pressure is centered near 36N44W in the central Atlantic. 
Surface anticyclonic wind flow prevails across the region, and 
is expected to continue through early Thursday. The front will 
become stationary from 27N65W to W Cuba on Wed. High pressure 
will slide eastward along 31N tonight through early Thu and 
bring fresh to strong NE to E winds to much of the waters N of 
the front. A broad surface trough will approach 67W Thursday, 
and move W to 72W Fri, followed by fresh to locally strong E to 
SE winds, and more active weather. 

For additional information please visit 
http://www.hurricanes.gov/marine

$$
Mundell