000 WTNT34 KNHC 282350 TCPAT4 BULLETIN TROPICAL STORM IRENE INTERMEDIATE ADVISORY NUMBER 34A NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 800 PM EDT SUN AUG 28 2011 ...CENTER OF IRENE APPROACHING THE U.S./CANADIAN BORDER... ...MAJOR RIVER FLOODING OCCURRING IN PARTS OF THE NORTHEAST... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...44.1N 72.1W ABOUT 20 MI...35 KM S OF ST. JOHNSBURY VERMONT MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 26 MPH...43 KM/H MINIMUM CENTRAL PRESSURE...978 MB...28.88 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED SOUTH OF MANASQUAN INLET NEW JERSEY. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * MANASQUAN INLET NEW JERSEY NORTHWARD TO EASTPORT MAINE...INCLUDING 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 800 PM EDT...0000 UTC...THE CENTER OF TROPICAL STORM IRENE WAS LOCATED NEAR LATITUDE 44.1 NORTH...LONGITUDE 72.1 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 EASTERN CANADA TONIGHT AND EARLY MONDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS...MAINLY OVER OR NEAR THE WATER WELL TO THE SOUTH AND 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 FROM THE CENTER. A WIND GUST OF 67 MPH...108 KM/H...WAS RECENTLY REPORTED FROM AN UNOFFICIAL SITE ON CAPE COD AT HATCH BEACH MASSACHUSETTS. ESTIMATED MINIMUM CENTRAL PRESSURE IS 978 MB...28.88 INCHES. HAZARDS AFFECTING LAND ---------------------- STORM SURGE...ELEVATED WATER LEVELS WILL PERSIST IN AREAS OF ONSHORE WINDS ALONG THE COAST FROM CONNECTICUT THROUGH MAINE. THE HIGHEST WATER LEVELS WILL OCCUR NEAR THE UPPER PARTS OF BAYS AND INLETS. NEAR THE COAST...THESE ELEVATED WATER LEVELS WILL ALSO 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 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 NORTHEASTERN NEW YORK STATE NORTHEASTWARD THROUGH THE NORTHERN 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 ACROSS PORTIONS OF NEW BRUNSWICK AND NOVA SCOTIA TONIGHT. SIGNIFICANTLY HIGHER WIND SPEEDS ARE LIKELY OVER AREAS OF ELEVATED TERRAIN IN NORTHERN NEW ENGLAND AND EASTERN CANADA. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM EDT. $$ FORECASTER BERG/STEWART