000
AXNT20 KNHC 240524
TWDAT 

TROPICAL WEATHER DISCUSSION...     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
205 AM EDT THU APR 24 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...

ITCZ AXIS IS CENTERED ALONG 5N8W 2N20W 1N40W EQ50W.  SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION IS OFF THE COAST OF W 
AFRICA FROM 3N-5N BETWEEN 10W-12W.  ISOLATED MODERATE CONVECTION 
IS FROM 1N-3N BETWEEN 21W-26W.    

...DISCUSSION...

GULF OF MEXICO...
AS OF 0300 UTC...A 1019 MB HIGH IS CENTERED OFF THE FLORIDA 
PANHANDLE NEAR 30N86W PRODUCING 10-15 KT ANTICYCLONIC SURFACE 
WINDS AND MOSTLY CLEAR SKIES OVER THE ENTIRE GULF OF MEXICO.  
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS INLAND OVER 
N MEXICO AND S TEXAS FROM 27N-29N BETWEEN 99W-102W MOVING E.  IN 
THE UPPER LEVELS...A RIDGE IS OVER THE GULF WITH AXIS ALONG 95W 
PRODUCING MOSTLY NWLY FLOW.  SIGNIFICANT UPPER LEVEL MOISTURE IS 
INLAND OVER TEXAS AND LOUISIANA WHILE STRONG SUBSIDENCE IS OVER 
THE ENTIRE GULF.  EXPECT...RETURN FLOW WITH SCATTERED SHOWERS 
AND ISOLATED THUNDERSTORMS OVER THE W GULF W OF 95W DURING THE 
NEXT 24 HOURS.       
 
CARIBBEAN SEA...
MODERATE TO FRESH TRADEWINDS ARE OVER THE CARIBBEAN SEA WITH 
MOSTLY FAIR WEATHER.  SCATTERED SHOWERS ARE OVER THE HIGHER 
ELEVATIONS OF HISPANIOLA AND N OF PUERTO RICO.  A 1006 MB LOW IS 
INLAND OVER CENTRAL COLOMBIA NEAR 6N74W.  SCATTERED MODERATE TO 
STRONG CONVECTION IS E OF THE LOW CENTER FROM 2N-7N BETWEEN 
69W-74W.  SIMILAR CONVECTION IS ALSO INLAND OVER SRN VENZUELA S 
OF 7N.  IN THE UPPER LEVELS THE CARIBBEAN SEA IS DOMINATED BY 
THE WRN EXTENT OF A LARGE UPPER LEVEL HIGH CENTERED IN THE 
ATLANTIC NEAR 7N49W PRODUCING SWLY FLOW OVER THE ENTIRE SEA.  
STRONG SUBSIDENCE COVERS THE N CARIBBEAN N OF 15N WHILE 
SIGNIFICANT MOISTURE IS OVER NRN SOUTH AMERICA AND THE S 
CARIBBEAN S OF 15N.  EXPECT LITTLE CHANGE OVER THE NEXT 24 
HOURS.    

ATLANTIC OCEAN...
A DEEP LAYERED LOW IS OVER THE W ATLANTIC WITH A 1011 MB SURFACE 
LOW NEAR 28N71W AND AN UPPER LEVEL CENTER NEAR 28N70W.  A 
SURFACE TROUGH EXTENDS S TO THE SRN BAHAMAS ALONG 25N69W 21N71W. 
WIDELY SCATTERED MODERATE CONVECTION IS N OF THE UPPER LOW 
CENTER FROM 29N-30N BETWEEN 65W-70W.  ANOTHER 1011 MB LOW IS 
OVER THE W ATLANTIC NEAR 28N64W.  A SURFACE TROUGH EXTENDS S 
ALONG 27N60W 23N63W.  SCATTERED SHOWERS ARE WITHIN 120 NM E OF 
THE TROUGH.   A SURFACE TROUGH IS OVER THE CENTRAL ATLANTIC 
ALONG 32N40W 27N44W 23N50W.  SCATTERED SHOWERS ARE WITHIN 120 NM 
E OF THE TROUGH.  A 1026 MB HIGH IS OVER THE E ATLANTIC NEAR 
37N16W.  A RIDGE AXIS EXTENDS SW TO 24N37W.  EXPECT ALL THE 
SURFACE LOWS AND TROUGHS IN THE ATLANTIC TO SHIFT E OVER THE 
NEXT 24 HOURS WITH LIGHT CONVECTION. 

$$
FORMOSA