000
AXNT20 KNHC 260550
TWDAT 

TROPICAL WEATHER DISCUSSION...     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
205 AM EDT SAT APR 26 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0515 UTC.

...THE ITCZ...

THE ITCZ AXIS IS CENTERED ALONG 7N11W 3N20W 2N40W...CROSSING THE 
EQUATOR NEAR 48W...AND INTO NE BRAZIL NEAR 1S50W.  SCATTERED 
MODERATE TO STRONG CONVECTION IS FROM 1N-4N BETWEEN 3W-9W.  
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM 5N-7N 
BETWEEN 11W-14W...AND FROM 3N-5N BETWEEN 24W-30W.  SCATTERED 
MODERATE CONVECTION IS FROM EQ-1N BETWEEN 44W-47W.    

...DISCUSSION...

GULF OF MEXICO...
A 1021 MB HIGH IS CENTERED OFF THE COAST OF NORTH CAROLINA NEAR 
33N76W.  A SURFACE RIDGE AXIS EXTENDS SW TO THE BAY OF CAMPECHE 
NEAR 21N97W.  10-20 KT SURFACE WINDS ARE NOTED OVER THE GULF OF 
MEXICO.  SCATTERED MODERATE CONVECTION IS ALONG THE COAST OF NE 
MEXICO FROM 24N-26N BETWEEN 96W-99W.  SIMILAR CONVECTION IS 
INLAND OVER E TEXAS FROM 29N-31N BETWEEN 95W-100W DUE TO A COLD 
FRONT.  IN THE UPPER LEVELS...A RIDGE IS OVER THE GULF WITH AXIS 
ALONG 90W.  SIGNIFICANT UPPER LEVEL MOISTURE IS OVER THE NW GULF 
N OF 24N AND W OF 92W.  STRONG SUBSIDENCE IS OVER THE REMAINDER 
OF THE GULF.  EXPECT... SELY SURFACE RETURN FLOW WITH SCATTERED 
SHOWERS AND ISOLATED THUNDERSTORMS OVER THE W GULF W OF 90W 
DURING THE NEXT 24 HOURS.  THE COLD FRONT WILL GET A SECONDARY 
PUSH AND WILL BE ALONG THE TEXAS COAST SUNDAY EVENING WITH 
CONVECTION.  

CARIBBEAN SEA...
MODERATE TO FRESH TRADEWINDS ARE OVER THE CARIBBEAN SEA WITH 
MOSTLY FAIR WEATHER W OF 75W.  SCATTERED SHOWERS ARE OVER THE 
HIGHER ELEVATIONS OF JAMAICA AND HISPANIOLA.  BROKEN TO OVERCAST 
MULTILAYERED CLOUDS WITH SCATTERED SHOWERS ARE OVER THE E 
CARIBBEAN E OF 70W.  A 1007 MB LOW IS INLAND OVER N COLOMBIA 
NEAR 10N74W.  SCATTERED MODERATE TO ISOLATED STRONG CONVECTION 
IS NEAR THE LOW CENTER FROM 9N-11N BETWEEN 73W-75W.  IN THE 
UPPER LEVELS ZONAL FLOW COVERS THE ENTIRE SEA.  CONSIDERABLE 
UPPER LEVEL MOISTURE IS OVER THE E CARIBBEAN E OF A LINE FROM 
SRN COSTA RICA TO GUADELOUPE.  STRONG SUBSIDENCE COVERS THE 
REMAINDER OF THE SEA AND CENTRAL AMERICA.  W CARIBBEAN W OF 70W 
WHILE SIGNIFICANT MOISTURE IS OVER NRN SOUTH AMERICA AND THE E 
CARIBBEAN E OF 70W.  EXPECT SCATTERED SHOWERS AND ISOLATED 
THUNDERSTORMS OVER THE E CARIBBEAN E OF 75W DURING THE NEXT 24 
HOURS.

ATLANTIC OCEAN...
A 1021 MB HIGH OFF THE COAST OF NORTH CAROLINA IS PRODUCING FAIR 
WEATHER OVER FLORIDA AND THE NW ATLANTIC.  A COLD FRONT IS OVER 
THE CENTRAL ATLANTIC FROM 32N53W TO 30N54W.  A SURFACE TROUGH 
CONTINUES SW TO 24N57W 20N62W.  WIDELY SCATTERED MODERATE 
CONVECTION IS E OF THE TROUGH FROM 22N-32N BETWEEN 48W-53W.   
EXPECT THE TROUGH TO CONTINUE MOVING E FOR THE NEXT 24 HOURS 
WITH LIGHT CONVECTION. 

$$
FORMOSA