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| #533505 (Received by flhurricane at: 7:59 AM 11.Aug.2012) TCPAT2 BULLETIN TROPICAL DEPRESSION SEVEN INTERMEDIATE ADVISORY NUMBER 7A NWS NATIONAL HURRICANE CENTER MIAMI FL AL072012 800 AM AST SAT AUG 11 2012 ...TROPICAL DEPRESSION APPROACHING THE WINDWARD ISLANDS...HURRICANE HUNTER AIRCRAFT CURRENTLY INVESTIGATING THE SYSTEM... SUMMARY OF 800 AM AST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...14.0N 57.5W ABOUT 150 MI...240 KM ENE OF BARBADOS ABOUT 240 MI...385 KM E OF MARTINIQUE MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 24 MPH...39 KM/H MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * GUADELOUPE AND MARTINIQUE * DOMINICA * ST. LUCIA * BARBADOS * ST. VINCENT AND THE GRENADINES A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE IN 12 TO 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM AST...1200 UTC...THE CENTER OF TROPICAL DEPRESSION SEVEN WAS ESTIMATED NEAR LATITUDE 14.0 NORTH...LONGITUDE 57.5 WEST. HOWEVER...PRELIMINARY DATA FROM THE HURRICANE HUNTER AIRCRAFT INDICATE THAT THE DEPRESSION COULD BE DEGENERATING INTO A TROPICAL WAVE. THE DEPRESSION IS MOVING TOWARD THE WEST NEAR 24 MPH...39 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH SUNDAY. ON THE FORECAST TRACK...THE DEPRESSION OR ITS REMNANTS ARE EXPECTED TO MOVE ACROSS THE WINDWARD ISLANDS LATER THIS AFTERNOON OR TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH...55 KM/H...WITH HIGHER GUSTS. ALTHOUGH THE DEPRESSION COULD STILL BECOME A TROPICAL STORM BEFORE REACHING THE WINDWARD ISLANDS...THE CHANCES OF THIS OCCURRING APPEAR TO BE DECREASING. AFTER PASSING THE WINDWARD ISLANDS...THE SYSTEM IS FORECAST TO DISSIPATE AS IT ENCOUNTERS UNFAVORABLE UPPER-LEVEL WINDS. ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON A METEO FRANCE BUOY IS 1008 MB...29.77 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA LATER TODAY AND TONIGHT. RAINFALL...TOTAL RAINFALL ACCUMULATIONS OF 1 TO 2 INCHES WITH ISOLATED MAXIMUM AMOUNTS OF 3 INCHES ARE EXPECTED ACROSS PORTIONS OF THE LESSER ANTILLES TODAY. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER BERG/AVILA |
