| HURRICANE IRENE INTERMEDIATE ADVISORY NUMBER 28A NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 800 AM EDT SAT AUG 27 2011 ...CENTER OF IRENE MAKES LANDFALL NEAR CAPE LOOKOUT NORTH CAROLINA... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...34.7N 76.5W ABOUT 5 MI...10 KM NNE OF CAPE LOOKOUT NORTH CAROLINA ABOUT 60 MI...100 KM SW OF CAPE HATTERAS NORTH CAROLINA MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...NNE OR 15 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...952 MB...28.11 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * LITTLE RIVER INLET NORTH CAROLINA NORTHWARD TO SAGAMORE BEACH MASSACHUSETTS...INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK SOUNDS...DELAWARE BAY...CHESAPEAKE BAY SOUTH OF DRUM POINT...NEW YORK CITY...LONG ISLAND...LONG ISLAND SOUND...COASTAL CONNECTICUT AND RHODE ISLAND...BLOCK ISLAND...MARTHAS VINEYARD AND NANTUCKET A TROPICAL STORM WARNING IS IN EFFECT FOR... * SOUTH SANTEE RIVER SOUTH CAROLINA TO LITTLE RIVER INLET * CHESAPEAKE BAY FROM DRUM POINT NORTHWARD AND THE TIDAL POTOMAC * NORTH OF SAGAMORE BEACH TO MERRIMACK RIVER A TROPICAL STORM WATCH IS IN EFFECT FOR... * MERRIMACK RIVER TO EASTPORT MAINE INTERESTS IN NEW BRUNSWICK AND NOVA SCOTIA 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 ------------------------------ NATIONAL WEATHER SERVICE DOPPLER INDICATES THAT THE EYE OF IRENE MADE LANDFALL NEAR CAPE LOOKOUT NORTH CAROLINA AROUND 730 AM EDT...1130 UTC. THE ESTIMATED INTENSITY OF IRENE AT LANDFALL WAS 85 MPH...140 KM/H...CATEGORY ONE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. AT 800 AM EDT...1200 UTC...THE CENTER OF HURRICANE IRENE WAS LOCATED NEAR LATITUDE 34.7 NORTH...LONGITUDE 76.5 WEST. IRENE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 14 MPH...22 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF IRENE WILL MOVE ACROSS EASTERN NORTH CAROLINA TODAY. THE HURRICANE IS FORECAST TO MOVE NEAR OR OVER THE MID-ATLANTIC COAST TONIGHT AND MOVE OVER SOUTHERN NEW ENGLAND ON SUNDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/H...WITH HIGHER GUSTS. IRENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SLIGHT WEAKENING IS FORECAST AS IRENE CROSSES EASTERN NORTH CAROLINA...BUT IRENE IS FORECAST TO REMAIN A HURRICANE AS IT MOVES NEAR OR OVER THE MID-ATLANTIC STATES AND NEW ENGLAND. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM. A SUSTAINED WIND OF 59 MPH WITH A GUST TO 84 MPH WAS RECENTLY MEASURED AT CAPE HATTERAS NORTH CAROLINA. THE LATEST MINIMUM CENTRAL PRESSURE ESTIMATED FROM DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS 952 MB...28.11 INCHES. A COASTAL MARINE OBSERVING SITE AT CAPE LOOKOUT NORTH CAROLINA RECENTLY REPORTED A PRESSURE OF 954.0 MB...28.17 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL-STORM-FORCE WINDS SHOULD SPREAD NORTHWARD ALONG THE MID-ATLANTIC COAST LATER THIS MORNING WITH HURRICANE CONDITIONS EXPECTED BY THIS AFTERNOON. HURRICANE-FORCE WINDS SHOULD SPREAD NORTHWARD THROUGH THE HURRICANE WARNING AREA DURING THE DAY. TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH SOUTHERN NEW ENGLAND TONIGHT WITH HURRICANE CONDITIONS EXPECTED ON SUNDAY. STORM SURGE...AN EXTREMELY DANGEROUS STORM TIDE WILL RAISE WATER LEVELS BY AS MUCH AS 5 TO 9 FEET ABOVE GROUND LEVEL IN THE HURRICANE WARNING AREA IN NORTH CAROLINA...INCLUDING THE ALBEMARLE AND PAMLICO SOUNDS. STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 4 TO 8 FEET ABOVE GROUND LEVEL WITHIN THE HURRICANE WARNING AREA FROM THE NORTH CAROLINA/VIRGINIA BORDER NORTHWARD TO CAPE COD INCLUDING SOUTHERN PORTIONS OF THE CHESAPEAKE BAY AND ITS TRIBUTARIES. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE...DESTRUCTIVE...AND LIFE-THREATENING WAVES. STORM 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 RAINFALL ACCUMULATIONS OF 6 TO 10 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 15 INCHES...FROM EASTERN NORTH CAROLINA NORTHWARD THROUGH THE MID-ATLANTIC STATES INTO EASTERN NEW YORK AND WESTERN NEW ENGLAND. THESE RAINS COULD CAUSE WIDESPREAD FLOODING AND LIFE-THREATENING FLASH FLOODS. SURF...LARGE SWELLS GENERATED BY IRENE ARE AFFECTING PORTIONS OF THE COAST OF THE SOUTHEASTERN UNITED STATES. THESE SWELLS WILL CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER EXTREME EASTERN NORTH CAROLINA TODAY. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM EDT. $$ FORECASTER BROWN |