000 AXNT20 KNHC 140518 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 205 AM EDT SUN JUL 14 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0515 UTC. ...TROPICAL WAVES... A TROPICAL WAVE IS OVER THE CAPE VERDE ISLANDS EXTENDING FROM 17N23W TO 7N24W MOVING W AT 15-20 KT. TOTAL PRECIPITABLE WATER IMAGERY SHOWS THE WAVE IS EMBEDDED WITHIN A HIGHLY MOIST ENVIRONMENT AT THE LOWER LEVELS. ISOLATED MODERATE CONVECTION IS WITH 120 NM OF THE WAVE AXIS. A TROPICAL WAVE IS IN THE CENTRAL TROPICAL ATLC WITH AXIS EXTENDING FROM 18N41W TO 7N39W MOVING W AT 10 KT. THIS WAVE IS EMBEDDED IN A MODERATE MOIST ENVIRONMENT. SCATTERED SHOWERS ARE WITHIN 180 NM OF THE WAVE AXIS. A TROPICAL WAVE IS OVER THE YUCATAN PENINSULA EXTENDING FROM 23N88W TO 15N90W MOVING W AT 10 KT. THE WAVE IS EMBEDDED IN A MODERATE TO HIGH MOIST ENVIRONMENT. SCATTERED MODERATE CONVECTION IS E OF THE WAVE AXIS OVER THE NW CARIBBEAN FROM 15N- 23N BETWEEN 85W-88W. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH AXIS EXTENDS FROM 13N17W TO 10N20W. THE ITCZ AXIS EXTENDS FROM 10N30W TO 11N37W THEN RESUMES W OF THE TROPICAL WAVE FROM 6N41W TO THE COAST OF BRAZIL AT 2N50W. ISOLATED MODERATE CONVECTION IS WITHIN 120 NM OF THE MONSOON TROUGH. SCATTERED MODERATE CONVECTION IS WITHIN 120 NM OF THE ITCZ. ...DISCUSSION... GULF OF MEXICO... A TROPICAL WAVE IS OVER THE YUCATAN PENINSULA WITH SCATTERED MODERATE CONVECTION OVER THE YUCATAN CHANNEL. A 1014 MB HIGH IS OVER THE NW GULF OF MEXICO NEAR 26N94W. RADAR IMAGERY ALSO SHOWS ISOLATED MODERATE CONVECTION OVER S FLORIDA AND THE SE GULF FROM 23N-28N BETWEEN 80W-83W. IN THE UPPER LEVELS... AN UPPER LEVEL TROUGH IS OVER THE GULF WITH AXIS ALONG 92W. UPPER LEVEL DIFFLUENCE IS NOTED OVER S FLORIDA. EXPECT CONTINUED UPPER LEVEL DIFFLUENCE FOR THE NEXT 24 HOURS OVER THE E GULF AND FLORIDA WITH CONVECTION AND SHOWERS. CARIBBEAN SEA... THE TROPICAL WAVE IS THE PRIMARY FEATURE OVER CENTRAL AMERICA AND THE W CARIBBEAN SEA. ISOLATED MODERATE CONVECTION IS INLAND OVER CENTRAL AMERICA FROM PANAMA TO S MEXICO. SCATTERED SHOWERS PERSIST OVER THE LEEWARD ISLANDS AND PUERTO RICO. MOSTLY FAIR WEATHER IS OVER THE REMAINDER OF THE CARIBBEAN. IN THE UPPER LEVELS...AN UPPER LEVEL HIGH IS CENTERED OVER THE NW CARIBBEAN. AN UPPER LEVEL RIDGE IS OVER THE E CARIBBEAN E OF 70W. EXPECT OVER THE NEXT 24 HOURS FOR THE TROPICAL WAVE TO CONTINUE TO MOVE W WITH CONVECTION. HISPANIOLA... RECENT LIGHTNING DATA AND SATELLITE IMAGERY SHOW SHOWERS HAVE DIMINISHED OVER HISPANIOLA. EXPECT SHOWERS TO REDEVELOP OVER HISPANIOLA DURING AFTERNOON AND EVENING HEATING. ATLANTIC OCEAN... A SURFACE TROUGH IS OVER THE W ATLANTIC FROM 30N69W TO 24N69W. SCATTERED SHOWERS ARE WITHIN 180 NM OF THE TROUGH AXIS. A 1025 MB HIGH IS CENTERED OVER THE E ATLANTIC NEAR 30N31W. IN THE TROPICS...A TROPICAL WAVE IS OVER THE CAPE VERDE ISLANDS AND ANOTHER TROPICAL WAVE IS ALONG 40W. IN THE UPPER LEVELS...AN UPPER LEVEL LOW IS OVER THE W ATLANTIC NEAR 26N63W MOVING W AND SUPPORTING THE SURFACE TROUGH. EXPECT CONTINUED CONVECTION OVER THE W ATLANTIC AND BAHAMAS OVER THE NEXT 24 HOURS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA