000
AXNT20 KNHC 291750
TWDAT 

TROPICAL WEATHER DISCUSSION      
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
205 PM EDT SAT MAR 29 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1715 UTC.

...ITCZ...
ITCZ AXIS IS CENTERED ALONG 5N9W 3N20W 3N35W CROSSING THE 
EQUATOR NEAR 43W TO 1S46W.  A SURFACE TROUGH FORMS A SOUTHERN 
ITCZ EXTENDING FROM EQ4W TO 2S20W 3S29W.   WIDELY SCATTERED 
MODERATE CONVECTION IS WITHIN 90 NM EITHER SIDE OF THE NRN ITCZ 
AXIS BETWEEN 12W-20W...AND BETWEEN 28W-50W.  SCATTERED MODERATE 
TO ISOLATED STRONG CONVECTION IS ON THE SRN ITCZ FROM 4S-EQ 
BETWEEN 20W-29W.    

...DISCUSSION...

GULF OF MEXICO...
A 1022 MB HIGH IS CENTERED OVER S GEORGIA NEAR 31N84W.  10-15 KT 
SELY RETURN FLOW COVERS THE ENTIRE GULF OF MEXICO.  A 1015 MB 
LOW IS INLAND OVER SE TEXAS NEAR 31N95W.  A STATIONARY FRONT 
EXTENDS S FROM THE LOW TO THE S TEXAS COAST NEAR CORPUS 
CHRISTI.  SCATTERED SHOWERS ARE WITHIN 30 NM OF THE FRONT.  
BROKEN TO OVERCAST MULTILAYERED CLOUDS ARE OVER THE NW GULF N OF 
24N AND W OF 90W.  MOSTLY FAIR WEATHER COVERS THE REMAINDER OF 
THE GULF.  IN THE UPPER LEVELS...A RIDGE IS OVER TEXAS AND THE W 
GULF W OF 90W.  A WEAK UPPER LEVEL TROUGH IS OVER FLORIDA.  
SIGNIFICANT UPPER LEVEL MOISTURE COVERS THE NW GULF N OF 22N AND 
W OF 85W.  STRONG SUBSIDENCE COVERS THE REMAINDER OF THE GULF. 
EXPECT SCATTERED SHOWERS OVER THE NW GULF OVER THE NEXT 24 
HOURS.  

CARIBBEAN SEA...
SCATTERED MODERATE CONVECTION IS INLAND OVER COSTA RICA FROM 
8N-9N BETWEEN 83W-85W.  FRESH TRADES DOMINATE THE CARIBBEAN SEA 
WITH PATCHES OF BROKEN LOW CLOUDS WITH SCATTERED SHOWERS OVER 
THE E CARIBBEAN E OF 80W.  IN THE UPPER LEVELS...THE BASE OF AN 
UPPER LEVEL TROUGH IS OVER THE CARIBBEAN SEA WITH AXIS ALONG 
80W.  STRONG SUBSIDENCE COVERS THE ENTIRE CARIBBEAN.  EXPECT 
MORE SCATTERED SHOWERS OVER THE NORTH CENTRAL CARIBBEAN OVER THE 
NEXT 24 HOURS.  

ATLANTIC OCEAN...
A SURFACE TROUGH IS OVER THE W ATLANTIC N OF THE BAHAMAS FROM 
31N74W TO 27N77W.  SCATTERED MODERATE CONVECTION IS FROM 29N-31N 
BETWEEN 73W-76W.  A STRONG 1031 MB HIGH DOMINATES THE CENTRAL 
ATLANTIC NEAR 34N37W.  BROAD SURFACE ANTICYCLONIC FLOW IS N OF 
15N BETWEEN 10W-60W WITH PATCHES OF BROKEN LOW CLOUDS WITH 
ISOLATED SHOWERS.  IN THE UPPER LEVELS...A TROUGH IS OVER THE W 
ATLANTIC N OF 20N AND W OF 70W.  ZONAL FLOW COVERS THE REMAINDER 
OF THE ATLANTIC N OF 10N.  EXPECT SCATTERED SHOWERS OVER THE W 
ATLANTIC W OF 65W DURING THE NEXT 24 HOURS.     

$$
FORMOSA