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#512054 (Received by flhurricane at: 10:53 AM 20.May.2012) TCPAT1 BULLETIN TROPICAL STORM ALBERTO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL012012 1100 AM EDT SUN MAY 20 2012 ...ALBERTO WEAKENS A LITTLE...AIR FORCE RECONNAISSANCE WILL INVESTIGATE THE SYSTEM THIS AFTERNOON... SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...31.5N 79.7W ABOUT 90 MI...150 KM S OF CHARLESTON SOUTH CAROLINA ABOUT 90 MI...150 KM ESE OF SAVANNAH GEORGIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WSW OR 250 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * SAVANNAH RIVER TO SOUTH SANTEE RIVER SOUTH CAROLINA A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS. COASTAL INTERESTS ELSEWHERE FROM GEORGIA THROUGH THE OUTER BANKS OF NORTH CAROLINA SHOULD MONITOR THE PROGRESS OF ALBERTO. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM EDT...1500 UTC...THE CENTER OF TROPICAL STORM ALBERTO WAS LOCATED NEAR LATITUDE 31.5 NORTH...LONGITUDE 79.7 WEST. ALBERTO IS MOVING TOWARD THE WEST-SOUTHWEST NEAR 6 MPH...9 KM/H...BUT IS EXPECTED TO SLOW DOWN AND MOVE LITTLE THROUGH MONDAY. A NORTHEASTWARD ACCELERATION IS ANTICIPATED MONDAY NIGHT AND TUESDAY. ON THIS TRACK...THE CENTER OF ALBERTO IS FORECAST TO REMAIN OFFSHORE OF THE CAROLINA AND GEORGIA COASTS. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 45 MPH...75 KM/H... WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE ALONG THE COAST OF SOUTH CAROLINA IN THE WATCH AREA LATER TODAY OR MONDAY. SURF...DANGEROUS SURF CONDITIONS ARE POSSIBLE ALONG THE COASTS OF GEORGIA AND SOUTH CAROLINA THROUGH MONDAY. PLEASE SEE STATEMENTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR INFORMATION SPECIFIC TO YOUR AREA. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 PM EDT. NEXT COMPLETE ADVISORY...500 PM EDT. $$ FORECASTER BERG/PASCH |