000 AXNT20 KNHC 250002 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 705 PM EST SAT NOV 24 2012 TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS OF SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST FROM THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL ANALYSIS. BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 2315 UTC. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS W AFRICA INTO THE E TROPICAL ATLC NEAR 8N11W TO 3N20W WHERE THE ITCZ BEGINS AND CONTINUES ALONG 3N30W 4N40W TO SOUTH AMERICA NEAR 2N50W. SCATTERED MODERATE CONVECTION IS FROM 7N-10N BETWEEN 18W-21W. ISOLATED MODERATE CONVECTION IS FROM 4N-11N BETWEEN 24W-38W. ...DISCUSSION... GULF OF MEXICO... AS OF 2100 UTC... A COLD FRONT EXTENDS FROM FORT PIERCE FLORIDA AT 27.5N80W TO SARASOTA FLORIDA AT 27.5N82W TO THE SE GULF OF MEXICO AT 25N86W TO 25N90W TO 25N94W TO THE W GULF AT 23N96W. SCATTERED SHOWERS ARE WITHIN 45 NM OF THE FRONT W OF 83W. SCATTERED SHOWERS ARE ALSO ALONG THE COAST OF MEXICO W OF 96W. A 1024 MB HIGH IS INLAND OVER NE MEXICO NEAR 25N99W. IN THE UPPER LEVELS ZONAL FLOW IS NOTED WITH A 90 KT UPPER LEVEL JETSTREAM OVER THE CENTRAL GULF. EXPECT IN 24 HOURS FOR THE FRONT TO MOVE SE TO THE STRAITS OF FLORIDA WHILE THE TAIL END OF THE FRONT REMAINS STATIONARY. ALSO EXPECT CONTINUED SHOWERS OVER THE W GULF. CARIBBEAN SEA... A 1007 MB LOW IS CENTERED OVER N COLOMBIA NEAR 8N74W. WIDELY SCATTERED MODERATE CONVECTION IS OVER THE SW CARIBBEAN FROM 8N-14N BETWEEN 75W-80W. SIMILAR CONVECTION IS OVER THE CENTRAL CARIBBEAN FROM 14N-17N BETWEEN 72W-75W. ISOLATED MODERATE CONVECTION IS OVER THE WINDWARD ISLANDS AND NE VENEZUELA FROM 8N-13N BETWEEN 60W-65W. SCATTERED SHOWERS ARE ELSEWHERE...OVER HISPANIOLA ...OVER PANAMA AND THE SW CARIBBEAN FROM 8N-14N BETWEEN 80W-84W...AND OVER GUATEMALA AND W HONDURAS. IN THE UPPER LEVELS...AN UPPER LEVEL HIGH IS CENTERED OVER TRINIDAD NEAR 11N62W. EXPECT ADDITIONAL SHOWERS AND CONVECTION OVER THE THE WINDWARD ISLANDS... AND OVER HISPANIOLA OVER THE NEXT 24 HOURS. ATLANTIC OCEAN... A COLD FRONT IS OVER THE W ATLANTIC FROM 32N72W TO FORT PIERCE FLORIDA AT 27.5N80W. A COLD FRONT IS OVER THE CENTRAL ATLANTIC FROM 32N53W TO 24N60W TO N OF HISPANIOLA AT 20N70W. WIDELY SCATTERED MODERATE CONVECTION IS WELL E OF THE FRONT FROM 26N-32N BETWEEN 42W-52W. SCATTERED SHOWERS ARE N OF HISPANIOLA. A 1019 MB HIGH IS OVER THE E ATLANTIC NEAR 26N38W. A 1008 MB LOW IS NW OF THE CANARY ISLANDS NEAR 31N21W. A COLD FRONT EXTENDS SW FROM THE LOW TO 28N30W TO 32N40W. WIDELY SCATTERED MODERATE CONVECTION IS FROM 29N-32N BETWEEN 15W-20W. IN THE UPPER LEVELS...NUMEROUS UPPER LEVEL LOWS ARE OVER THE ATLANTIC SUPPORTING SURFACE FRONTS NAMELY AT 41N73W...39N51W...AND 33N23W. ANOTHER UPPER LEVEL LOW IS CENTERED OVER THE TROPICS NEAR 17N39W. EXPECT ALL FRONTS TO MOVE E WITH THE WESTERLIES OVER THE NEXT 24 HOURS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA