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#454359 (Received by flhurricane at: 1:55 PM 28.Aug.2011) TCPAT4 BULLETIN TROPICAL STORM IRENE INTERMEDIATE ADVISORY NUMBER 33A NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 200 PM EDT SUN AUG 28 2011 ...CENTER OF IRENE MOVING OVER SOUTHERN NEW ENGLAND... SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...42.2N 73.2W ABOUT 15 MI...30 KM S OF PITTSFIELD MASSACHUSETTS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NNE OR 20 DEGREES AT 26 MPH...43 KM/H MINIMUM CENTRAL PRESSURE...970 MB...28.64 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING SOUTH OF CAPE HENLOPEN DELAWARE...AND FOR CHESAPEAKE BAY...IS DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * CAPE HENLOPEN DELAWARE NORTHWARD TO EASTPORT MAINE... INCLUDING DELAWARE BAY...NEW YORK CITY...LONG ISLAND...LONG ISLAND SOUND...COASTAL CONNECTICUT AND RHODE ISLAND...BLOCK ISLAND...MARTHAS VINEYARD AND NANTUCKET * UNITED STATES/CANADA BORDER NORTHEASTWARD TO FORT LAWRENCE INCLUDING GRAND MANAN * SOUTH COAST OF NOVA SCOTIA FROM FORT LAWRENCE TO PORTERS LAKE INTERESTS ELSEWHERE IN EASTERN CANADA SHOULD MONITOR THE PROGRESS OF IRENE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 PM EDT...1800 UTC...THE CENTER OF TROPICAL STORM IRENE WAS LOCATED NEAR LATITUDE 42.2 NORTH...LONGITUDE 73.2 WEST. IRENE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 26 MPH...43 KM/H...AND THIS MOTION WITH A LITTLE FASTER FORWARD SPEED IS EXPECTED OVER THE NEXT DAY OR SO. ON THE FORECAST TRACK...THE CENTER OF IRENE WILL MOVE OVER NORTHERN NEW ENGLAND LATER THIS AFTERNOON AND OVER EASTERN CANADA TONIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS...MAINLY OVER WATER WELL EAST OF THE CENTER. IRENE IS FORECAST TO WEAKEN AND BECOME A POST-TROPICAL CYCLONE BY TONIGHT. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 320 MILES...520 KM MAINLY TO THE EAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES. HAZARDS AFFECTING LAND ---------------------- STORM SURGE...AN EXTREMELY DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 4 TO 8 FEET ABOVE GROUND LEVEL FROM WESTERN PORTIONS OF LONG ISLAND ISLAND SOUND EASTWARD ALONG THE SOUTHERN COASTS OF CONNECTICUT...RHODE ISLAND...AND MASSACHUSETTS. THE HIGHEST SURGES WILL OCCUR NEAR THE UPPER PARTS OF BAYS AND INLETS. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE... DESTRUCTIVE...AND LIFE-THREATENING WAVES. HIGHER THAN NORMAL ASTRONOMICAL TIDES ARE OCCURRING THIS WEEKEND. COASTAL AND RIVER FLOODING WILL BE HIGHEST IN AREAS WHERE THE PEAK SURGE OCCURS AROUND THE TIME OF HIGH TIDE. STORM TIDE AND SURGE VALUES ARE VERY LOCATION-SPECIFIC...AND USERS ARE URGED TO CONSULT PRODUCTS ISSUED BY THEIR LOCAL NATIONAL WEATHER SERVICE OFFICES. RAINFALL...IRENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 6 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 8 INCHES... FROM THE NORTHERN PORTION OF NEW YORK STATE NORTHEASTWARD THROUGH THE WESTERN PORTION OF NEW ENGLAND. THESE RAINS...COMBINED WITH HEAVY RAINS OVER THE PAST FEW WEEKS...COULD CAUSE WIDESPREAD FLOODING AND LIFE-THREATENING FLASH FLOODS. WIND...TROPICAL STORM FORCE WINDS WILL SPREAD NORTHWARD INTO PORTIONS OF NEW BRUNSWICK AND NOVA SCOTIA LATER TODAY. SIGNIFICANTLY HIGHER WIND SPEEDS ARE LIKELY OVER AREAS OF ELEVATED TERRAIN IN NORTHERN NEW ENGLAND AND EASTERN CANADA. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 PM EDT. $$ FORECASTER PASCH/BROWN |