000 AXNT20 KNHC 080537 TWDAT TROPICAL WEATHER DISCUSSION NWS NATIONAL HURRICANE CENTER MIAMI FL 205 AM EDT FRI AUG 08 2014 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... TROPICAL WAVE OVER THE CENTRAL ATLC EXTENDS FROM 18N38W TO 10N37W MOVING W 15 TO 20 KT OVER THE PAST 24 HOURS. WEAK WAVE IS EMBEDDED WITHIN A SURGE OF DEEP MOISTURE. FURTHER N...THE WAVE IS ALONG THE LEADING EDGE OF AN SAHARAN AIR LAYER. SCATTERED SHOWERS ARE FROM 9N-13N BETWEEN 36W-39W. TROPICAL WAVE OVER THE LESSER ANTILLES EXTENDS FROM 18N60W TO 10N61W MOVING W NEAR 15 KT OVER THE PAST 24 HOURS. WAVE IS EMBEDDED WITHIN A SURGE OF DEEP MOISTURE THAT IS CURRENTLY MOVING ACROSS THE WINDWARD ISLANDS. SCATTERED SHOWERS AND POSSIBLE ISOLATED THUNDERSTORMS ARE FROM 11N-16N BETWEEN 58W- 63W. TROPICAL WAVE IN THE W CARIBBEAN EXTENDS FROM CUBA NEAR 22N80W TO 10N80W MOVING W NEAR 15 KT OVER THE PAST 24 HOURS. THIS IS A HIGH AMPLITUDE WAVE WITH A LARGE MOISTURE AREA. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS ALONG THE S COAST OF CUBA FROM 18N-22N BETWEEN 76W-81W. ...ITCZ/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLC NEAR 19N16W AND CONTINUES TO 12N27W. THE ITCZ CONTINUES FROM 12N27W TO 8N39W TO 8N50W TO 11N59W. WIDELY SCATTERED MODERATE CONVECTION IS FROM 9N-13N BETWEEN 51W-58W. ...DISCUSSION... GULF OF MEXICO... A 1017 MB HIGH IS CENTERED OVER THE E GULF OF MEXICO NEAR 26N86W. THE E GULF HAS 5-10 KT ANTICYCLONIC SURFACE WINDS GOING AROUND THE HIGH. THE W GULF HAS HAS 10-15 KT SOUTHERLY WINDS. S FLORIDA HAS NOCTURNAL SCATTERED MODERATE CONVECTION S OF 26N DUE TO A SMALL UPPER LEVEL LOW CENTERED OVER THE CENTRAL BAHAMAS NEAR 24N76W. ANOTHER SMALL UPPER LEVEL LOW IS CENTERED JUST NW OF TAMPICO MEXICO NEAR 23N99W. SCATTERED SHOWERS ARE OVER MEXICO FROM 17N-25N BETWEEN 96W-104W. EXPECT OVER THE NEXT 24 HOURS FOR BOTH UPPER LEVEL LOWS TO DRIFT NW WITH MORE SHOWERS AND CONVECTION. ALSO EXPECT AIRMASS CONVECTION OVER FLORIDA AND CUBA IN THE AFTERNOON AND EVENING HOURS. CARIBBEAN SEA... TWO TROPICAL WAVES ARE OVER THE CARIBBEAN SEA PRODUCING SCATTERED SHOWERS AND CONVECTION. SEE ABOVE. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS OVER W HONDURAS...EL SALVADOR...AND S GUATEMALA...FROM 12N-16N BETWEEN 88W-92W. SIMILAR CONVECTION IS OVER N COLOMBIA FROM 8N-10N BETWEEN 72W- 76W. SCATTERED SHOWERS ARE OVER W PANAMA AND COSTA RICA. IN THE UPPER LEVELS...THE UPPER LEVEL LOW CENTERED OVER THE CENTRAL BAHAMAS NEAR 24N76W IS ALSO PRODUCING SCATTERED MODERATE CONVECTION ALONG THE N COAST OF CUBA FROM 21N-24N BETWEEN 75W- 80W. ANOTHER SMALL UPPER LEVEL LOW IS CENTERED OVER THE YUCATAN CHANNEL NEAR 21N86W. SCATTERED SHOWERS ARE WITHIN 90 NM OF THE CENTER. EXPECT OVER THE NEXT 24 HOURS FOR THE TROPICAL WAVES TO MOVE W WITH CONVECTION. HISPANIOLA... RESIDUAL SCATTERED SHOWERS ARE OVER NW HAITI DUE TO A THE CENTRAL BAHAMAS UPPER LEVEL LOW DRIFTING NW. EXPECT IN 24 HOURS FOR CONVECTION TO REACH THE DOMINICAN REPUBLIC DUE TO THE E CARIBBEAN TROPICAL WAVE. ATLANTIC OCEAN... SCATTERED SHOWERS ARE OVER MOST OF THE BAHAMAS DUE TO THE UPPER LEVEL LOW. MORE SHOWERS ARE OFF THE COAST OF CENTRAL FLORIDA FROM 27N-29N BETWEEN 79W-81W. A SURFACE TROUGH IS OVER THE W ATLANTIC FROM 32N64W TO 29N70W. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE TROUGH N OF 30N. A LARGE 1030 MB HIGH IS OVER THE E ATLANTIC NEAR 33N38W PRODUCING FAIR WEATHER. IN THE UPPER LEVELS... BESIDES THE UPPER LEVEL LOW OVER THE CENTRAL BAHAMAS...ANOTHER LARGE LOW IS CENTERED NEAR 28N57W ENHANCING SCATTERED SHOWERS FROM 25N-32N BETWEEN 54W-62W. EXPECT OVER THE NEXT 24 HOURS FOR THE SURFACE TROUGH OVER THE W ATLANTIC TO MOVE E WITH SHOWERS AND CONVECTION. ALSO EXPECT MORE SHOWERS AND CONVECTION OVER THE N BAHAMAS. FOR ADDITIONAL INFORMATION PLEASE VISIT HTTP://WWW.HURRICANES.GOV/MARINE $$ FORMOSA