000 AXNT20 KNHC 272321 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 705 AM EST WED FEB 27 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. ...ITCZ... THE ITCZ AXIS IS CENTERED ALONG 6N10W 2N30W 2N50W. ISOLATED MODERATE CONVECTION IS 5N-6N BETWEEN 16W-18W. ...DISCUSSION... GULF OF MEXICO... AS OF 2100 UTC...A 1027 MB HIGH IS CENTERED NEAR CORPUS CHRISTI TEXAS PRODUCING MOSTLY FAIR WEATHER. 10-20 KT NLY SURFACE FLOW DOMINATES MOST OF THE GULF OF MEXICO. 20-25 KT WINDS ARE OVER THE SE GULF AND THE STRAITS OF FLORIDA. OVERCAST LOW CLOUDS WITH SCATTERED SHOWERS ARE OVER THE SRN BAY OF CAMPECHE AND S MEXICO S OF 21N. COLD AIR ADVECTION IS PUSHING DOWN THE FLORIDA PENINSULA WITH FAIR WEATHER. IN THE UPPER LEVELS...THE BASE OF AN UPPER LEVEL TROUGH IS OVER THE GULF OF MEXICO. SWLY UPPER LEVEL FLOW IS OVER THE ENTIRE GULF. A BAND OF UPPER LEVEL MOISTURE WITH SCATTERED TO BROKEN HIGH CLOUDS ARE OVER THE S GULF FROM CENTRAL FLORIDA TO THE BAY OF CAMPECHE. STRONG SUBSIDENCE IS OVER THE N GULF. EXPECT THE SURFACE HIGH TO MOVE E TO THE FLORIDA PANHANDLE IN 24 HOURS. EXPECT CONTINUED FAIR WEATHER OVER THE AREA WITH COLDER TEMPERATURES ESPECIALLY OVER THE E GULF E OF 90W. CARIBBEAN SEA... AS OF 2100 UTC...A COLD FRONT EXTENDS FROM CENTRAL CUBA TO BELIZE ALONG 23N80W 17N89W. ISOLATED MODERATE CONVECTION IS WITHIN 30 NM OF THE FRONT. 25 KT NLY SURFACE WINDS AND BROKEN MULTILAYERED CLOUDS ARE OVER THE NW CARIBBEAN N OF THE FRONT. THE REMAINDER OF THE CARIBBEAN AND CENTRAL AMERICA HAVE MODERATE TRADES. PATCHES OF BROKEN LOW CLOUDS WITH SCATTERED SHOWERS DOTS THE E CARIBBEAN E OF 67W...AND THE N CARIBBEAN N OF 16N. IN THE UPPER LEVELS...A RIDGE IS OVER THE CARIBBEAN WITH RIDGE AXIS ALONG 70W. SIGNIFICANT UPPER LEVEL MOISTURE IS OVER THE NW CARIBBEAN. STRONG SUBSIDENCE DOMINATES THE REMAINDER OF THE CARIBBEAN SEA AND CENTRAL AMERICA. EXPECT THE COLD FRONT TO EXTEND FROM E CUBA TO N HONDURAS IN 24 HOURS WITH LIGHT CONVECTION. ATLANTIC OCEAN... AS OF 2100 UTC...A COLD FRONT IS OVER THE W ATLANTIC EXTENDING SW TO CENTRAL CUBA ALONG 32N70W 23N80W. SCATTERED MODERATE CONVECTION IS FROM 28N-31N BETWEEN 69W-72W. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE REMAINDER OF THE FRONT. GALE FORCE WINDS ARE N OF 29N WITHIN 150 NM E OF FRONT AND ARE FORECAST TO REMAIN AT GALE STRENGTH UNTIL 0600 UTC TONIGHT. A 1027 MB HIGH IS OVER THE CENTRAL ATLANTIC NEAR 34N46W. A DISSIPATING COLD FRONT IS OVER THE CENTRAL ATLANTIC FROM 32N37W TO 27N47W. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE FRONT. A 1027 MB HIGH IS OVER THE E ATLANTIC NEAR 34N22W. IN THE UPPER LEVELS... A RIDGE IS N OF 20N FROM 45W-80W. AN UPPER LEVEL LOW IS OVER THE E ATLANTIC NEAR 25N23W. ZONAL FLOW IS OVER THE TROPICAL ATLANTIC S OF 20N FROM THE LESSER ANTILLES TO W AFRICA. EXPECT THE COLD FRONT OVER THE W ATLANTIC TO MOVE E AND EXTEND FROM 32N63W TO E CUBA NEAR 21N78W WITH CONVECTION IN 24 HOURS. THE OTHER FRONT WILL DISSIPATE WITH 24 HOURS. $$ FORMOSA