000
AXNT20 KNHC 192335
TWDAT 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 PM EDT SAT APR 19 2008

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL 
AMERICA...THE GULF OF MEXICO...THE CARIBBEAN SEA...NORTHERN 
SECTIONS OF SOUTH AMERICA...AND THE ATLANTIC OCEAN TO THE 
AFRICAN COAST FROM THE EQUATOR TO 32N. THE FOLLOWING
INFORMATION IS BASED ON SATELLITE IMAGERY...METEOROLOGICAL 
ANALYSIS...WEATHER OBSERVATIONS...AND RADAR.

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 2315 UTC.

...THE ITCZ...

THE ITCZ AXIS IS CENTERED ALONG 5N8W 2N20W 2N30W 0N45W 1S50W.  
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM 4N-6N 
BETWEEN 20W-24W.  SCATTERED MODERATE CONVECTION IS FROM 2N-4N 
BETWEEN 39W-43W.  

...DISCUSSION...

THE GULF OF MEXICO...
A WEAK COLD FRONT EXTENDS FROM THE FLORIDA PANHANDLE TO THE W 
GULF OF MEXICO ALONG 30N85W 27N67W 25N94W.  A STATIONARY FRONT 
CONTINUES TO THE BAY OF CAMPECHE ALONG 23N96W 19N96W.  NO 
PRECIPITATION IS ALONG THE FRONTS.  A 1020 MB HIGH IS CENTERED S 
OF LOUISIANA NEAR 28N92W PRODUCING FAIR WEATHER.  IN THE UPPER 
LEVELS... THE ERN HALF OF AN UPPER LEVEL RIDGE IS PRODUCING NWLY 
UPPER LEVEL WINDS WITH STRONG SUBSIDENCE OVER THE ENTIRE GULF.  
EXPECT... THE COLD FRONT TO EXTEND FROM CENTRAL FLORIDA TO THE 
CENTRAL GULF OF MEXICO IN 24 HOURS WITH VERY LITTLE 
PRECIPITATION.   

THE CARIBBEAN SEA...
FRESH TRADEWINDS ARE OVER THE CARIBBEAN SEA.  AREAS OF SCATTERED 
MODERATE CONVECTION ARE NOTED INLAND OVER N COLOMBIA...PANAMA... 
AND BELIZE.  SCATTERED SHOWERS ARE OVER THE HIGHER ELEVATIONS OF 
E CUBA...JAMAICA...AND HISPANIOLA.  MORE SCATTERED SHOWERS ARE 
OVER THE E CARIBBEAN FROM 14N-17N BETWEEN 60W-64W.  EXPECT 
CONTINUED CONVECTION OVER PANAMA AND COSTA RICA DURING THE NEXT 
24 HOURS.    

THE ATLANTIC OCEAN...
A 1022 MB HIGH IS CENTERED OVER THE W ATLANTIC NEAR 29N74W 
PRODUCING FAIR WEATHER.  A COLD FRONT ENTERS THE CENTRAL 
ATLANTIC NEAR 32N54W AND EXTENDS SW TO 28N57W 23N66W.  A 
STATIONARY FRONT CONTINUES TO THE SRN BAHAMAS TO 21N74W.  
SCATTERED SHOWERS ARE WITHIN 60 NM OF THE FRONTS.  A 1025 MB 
HIGH IS OVER THE E ATLANTIC NEAR 32N41W.  ANTICYCLONIC SURFACE 
FLOW IS N OF 10N BETWEEN 20W-50W.  IN THE UPPER LEVELS... ZONAL 
FLOW IS N OF 20N BETWEEN 55W-80W.  AN UPPER LEVEL RIDGE IS N OF 
15N BETWEEN 40W-55W.  AN UPPER LEVEL LOW IS OVER THE TROPICS 
NEAR 16N36W.  ZONAL FLOW IS OVER THE REMAINDER OF THE ATLANTIC.
EXPECT THE COLD FRONT TO MOVER SLOWLY E DURING THE NEXT 24 HOURS 
WITH SCATTERED SHOWERS.     

$$
FORMOSA