000 AXNT20 KNHC 031756 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 105 PM EST SUN FEB 03 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 ...THE ITCZ... ITCZ AXIS IS CENTERED ALONG 6N10W 2N30W 1N45W EQ50W. WIDELY SCATTERED MODERATE CONVECTION IS FROM EQ-3N BETWEEN 24W-33W. ...DISCUSSION... GULF OF MEXICO... A 1024 MB HIGH IS CENTERED OVER S GEORGIA NEAR 31N83W. A RIDGE AXIS EXTENDS SW FROM THE HIGH CENTER TO THE BAY OF CAMPECHE NEAR 22N95W AND IS PRODUCING FAIR WEATHER. WINDS ARE LIGHT OVER THE GULF OF MEXICO EXCEPT FOR THE BAY OF CAMPECHE WHERE 20 KT SELY WINDS ARE NOTED. IN THE UPPER LEVELS...A RIDGE IS PRODUCING SWLY FLOW WITH STRONG SUBSIDENCE OVER MOST OF THE GULF OF MEXICO S OF 29N. A BAND OF UPPER LEVEL MOISTURE IS OVER S U.S. GULF STATES N OF 29N. EXPECT...FAIR WEATHER OVER THE GULF FOR THE NEXT 24 HOURS WITH THE POSSIBILITY OF SCATTERED SHOWERS ALONG THE COASTS OF SE TEXAS AND LOUISIANA DUE TO SURFACE RETURN FLOW. CARIBBEAN SEA... SATELLITE IMAGERY SHOWS PATCHES OF LOW CLOUDS WITH SCATTERED SHOWERS OVER THE CARIBBEAN SEA AND CENTRAL AMERICA MOVING W IN MODERATE TRADEWINDS. SCATTERED SHOWERS ARE MOST PREVALENT OVER THE W CARIBBEAN AND CENTRAL AMERICA BETWEEN 78W-88W. IN THE UPPER LEVELS...AN UPPER LEVEL A RIDGE COVERS THE W CARIBBEAN W OF 75W. THE BASE OF A TROUGH IS OVER THE E CARIBBEAN E OF 75W. VERY STRONG SUBSIDENCE COVERS THE ENTIRE AREA. EXPECT... LITTLE CHANGE DURING THE NEXT 24 HOURS. ATLANTIC OCEAN... THE SRN EXTENT OF A SURFACE TROUGH IS ALONG THE COAST OF NE FLORIDA ALONG 32N77W 29N82W. ISOLATED SHOWERS ARE WITHIN 60 NM OF THE TROUGH. A 1026 MB HIGH IS CENTERED OVER THE W ATLANTIC NEAR 33N68W. ANOTHER 1031 MB HIGH IS OVER THE CENTRAL ATLANTIC NEAR 33N44W. A SURFACE TROUGH IS OVER THE E ATLANTIC ALONG 28N38W 20N37W. SCATTERED SHOWERS ARE FROM 21N-27N BETWEEN 32W-39W. IN THE UPPER LEVELS ...A RIDGE IS OVER THE W ATLANTIC W OF 70W. A BROAD UPPER LEVEL TROUGH IS OVER THE CENTRAL ATLANTIC BETWEEN 30W-70W. AN EMBEDDED UPPER LEVEL LOW IS CENTERED NEAR 29N41W. A 110-130 KT JETSTREAM IS OVER THE TROPICAL E ATLANTIC AND W AFRICA FROM 12N50W TO BEYOND 20N15W. EXPECT...THE SURFACE TROUGH OVER THE W ATLANTIC TO DISSIPATE OVER THE NEXT 24 HOURS. ALSO EXPECT THE SURFACE TROUGH OVER THE E ATLANTIC TO DRIFT W AND PRODUCE SCATTERED SHOWERS. $$ FORMOSA