000 AXNT20 KNHC 280013 TWDAT TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 705 PM EST SUN JAN 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 ...THE ITCZ... THE ITCZ AXIS EXTENDS FROM LIBERIA TO BRAZIL AND IS CENTERED ALONG 5N9W 2N30W 2S45W. SCATTERED MODERATE CONVECTION IS FROM 2N-4N BETWEEN 22W-24W. ...DISCUSSION... THE GULF OF MEXICO... AS OF 2100 UTC A COLD FRONT HAS PUSHED DOWN TO W CUBA AND EXTENDS W TO THE BAY OF CAMPECHE ALONG 23N80W 21N90W 21N95W WITH ONLY ISOLATED SHOWERS OVER W CUBA. A STATIONARY FRONT CONTINUES INTO S MEXICO ALONG 18N95W 19N97W 22N100W . SCATTERED TO BROKEN LOW CLOUDS ARE OVER THE GULF OF MEXICO N OF THE FRONTS WHILE MOSTLY FAIR WEATHER IS OVER FLORIDA. HIGH SURFACE PRESSURE IS NOW BUILDING OVER THE GULF WITH NLY WINDS AND COOLER TEMPERATURES. IN THE UPPER LEVELS...A RIDGE IS OVER THE W GULF W OF 90W WITH SIGNIFICANT MOISTURE. AN UPPER LEVEL TROUGH IS OVER THE E GULF E OF 90W WITH STRONG SUBSIDENCE. EXPECT A 1022 MB HIGH TO MOVE OVER N FLORIDA IN 24 HOURS AND PRODUCE MOSTLY FAIR WEATHER. ALSO EXPECT RETURN SURFACE FLOW TO PRODUCE SOME ISOLATED SHOWERS ALONG THE COAST OF TEXAS. THE CARIBBEAN SEA... AS OF 2100 UTC...THE COLD FRONT OVER W CUBA AND THE YUCATAN CHANNEL HAS SCATTERED SHOWERS MOVING S. THE SAME FRONT OVER THE YUCATAN PENINSULA IS MOSTLY DRY. THE REMAINDER OF THE CARIBBEAN SEA AND CENTRAL AMERICA HAS MODERATE TRADEWINDS. PATCHES OF SCATTERED SHOWERS DOTS THE AREA ESPECIALLY OVER THE LEEWARD ISLANDS E OF PUERTO RICO...AND THE HIGHER ELEVATIONS OF HISPANIOLA AND JAMAICA. IN THE UPPER LEVELS...WLY FLOW WITH VERY STRONG SUBSIDENCE COVERS THE ENTIRE AREA. EXPECT... THE COLD FRONT TO PUSH A LITTLE MORE S AND EXTEND FROM HISPANIOLA TO BELIZE WITH SCATTERED RAIN AND SHOWERS IN 24 HOURS. ALSO EXPECT PUERTO RICO AND THE NRN LEEWARD ISLANDS TO GET SOME SCATTERED SHOWERS DUE TO THE SAME FRONT N OF THE ISLANDS...OVER THE W ATLANTIC. THE ATLANTIC OCEAN... AS OF 2100 UTC A COLD FRONT IS OVER THE W ATLANTIC AND EXTENDS SW TO W CUBA ALONG 32N67W 25N75W 23N80W. SCATTERED RAIN AND SHOWERS ARE WITHIN 90 NM OF THE FRONT. A 1012 MB LOW IS OVER THE CENTRAL ATLANTIC NEAR 26N59W. A STATIONARY FRONT EXTENDS SW FROM THE LOW TO HISPANIOLA ALONG 23N63W 20N73W. A WARM FRONT EXTENDS E FROM THE LOW TO 26N50W. A COLD FRONT CONTINUES NE TO BEYOND 32N39W. SCATTERED SHOWERS AND RAIN ARE WITHIN 90 NM OF THE FRONTS. A SURFACE TROUGH IS OVER THE E ATLANTIC ALONG 32N28W 24N27W. IN THE UPPER LEVELS...A TROUGH IS OVER THE W ATLANTIC N OF 20N BETWEEN 70W-80W. A RIDGE IS OVER THE CENTRAL ATLANTIC N OF 20N BETWEEN 50W-70W. A TROUGH IS OVER THE E ATLANTIC N OF 20N BETWEEN 15W-30W. AN EMBEDDED UPPER LEVEL LOW IS CENTERED NEAR 30N26W. UPPER LEVEL DIFFLUENCE E OF THE LOW CENTER IS PRODUCING SCATTERED SHOWERS OVER THE CANARY ISLANDS FROM 25N-32N BETWEEN 11W-20W. FURTHER S...WLY UPPER LEVEL 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 MERGE WITH THE STATIONARY FRONT OVER THE CENTRAL ATLANTIC WITHIN 24 HOURS WITH SCATTERED RAIN AND SHOWERS. $$ FORMOSA