000 AXNT20 KNHC 092349 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 805 PM EDT TUE APR 09 2013 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 FROM THE COAST OF SIERRA LEONE NEAR 8N13W TO 4N17W. THE INTERTROPICAL CONVERGENCE ZONE EXTENDS FROM 4N17W TO 1N30W TO THE COAST OF BRAZIL NEAR 3S40W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS S OF THE MONSOON TROUGH AND S OF GHANA FROM 1N-4N BETWEEN 1W-6W. ISOLATED MODERATE CONVECTION IS ALONG THE ITCZ FROM 2N-4N BETWEEN ...DISCUSSION... GULF OF MEXICO... A 1026 MB HIGH CENTERED OVER THE W ATLANTIC NEAR 32N70W IS PRODUCING 15-20 KT SW RETURN FLOW OVER THE GULF OF MEXICO. RADAR IMAGERY SHOWS SCATTERED SHOWERS ALONG THE COAST OF E TEXAS AND LOUISIANA N OF 28N BETWEEN 91W-96W. MOSTLY FAIR WEATHER IS OVER THE REMAINDER OF THE GULF. IN THE UPPER LEVELS...AN UPPER LEVEL TROUGH IS OVER TEXAS... WHILE AN UPPER LEVEL RIDGE IS OVER THE GULF WITH AXIS ALONG 85W. EXPECT IN 24 HOURS FOR A COLD FRONT TO BE ALONG THE COAST OF TEXAS WITH FRESH TO STRONG WINDS AHEAD AND BEHIND THE FRONT...AND CONVECTION. ALSO EXPECT SCATTERED SHOWERS TO BE OVER THE STRAITS OF FLORIDA AND ALONG THE COAST OF W CUBA. CARIBBEAN SEA... 15-30 KT TRADEWINDS ARE OVER THE CARIBBEAN SEA WITH STRONGEST WINDS ALONG THE COAST OF COLOMBIA. A 1004 MB LOW IS CENTERED OVER N COLOMBIA NEAR 7N74W WITH ISOLATED MODERATE CONVECTION INLAND. SCATTERED MODERATE CONVECTION IS OVER THE HIGHER ELEVETIONS OF CUBA BETWEEN 77W-82W. SCATTERED SHOWERS ARE OVER THE HIGHER ELEVATIONS OF PUERTO RICO...HISPANIOLA...AND JAMAICA. MORE SHOWERS ARE E OF THE LEEWARD ISLANDS NEAR 18N61W. IN THE UPPER LEVELS...AN UPPER LEVEL RIDGE OVER CENTRAL AMERICA IS PRODUCING WNW UPPER LEVEL WINDS OVER THE CARIBBEAN SEA. EXPECT LITTLE CHANGE OVER THE NEXT 24 HOURS...WITH CONVECTION OVER CUBA TO CONTINUE. ATLANTIC OCEAN... A 1026 MB HIGH CENTERED OVER THE W ATLANTIC NEAR 32N70W. A COLD FRONT IS OVER THE CENTRAL ATLANTIC FROM 32N40W TO 25N52W. A STATIONARY FRONT CONTINUES FROM 25N52W TO N OF PUERTO RICO AT 22N67W. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE WITHIN 90 NM OF THE FRONTS. A 1021 MB HIGH IS OVER THE E ATLANTIC NEAR 27N32W MOVING ENE. OF NOTE IN THE UPPER LEVELS...AN UPPER LEVEL TROUGH IS OVER THE CENTRAL ATLANTIC N OF 15N BETWEEN 40W-70W SUPPORTING THE CENTRAL ATLANTIC FRONTAL SYSTEM. EXPECT IN 24 HOURS FOR SCATTERED SHOWERS TO BE OVER THE BAHAMAS. ALSO EXPECT THE COLD FRONT TO CONTINUE TO MOVE E WITH SHOWERS AND CONVECTION. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA