Post by Nws Olney Maryland on Aug 27, 2011 8:20:45 GMT -5
BULLETIN
HURRICANE IRENE ADVISORY NUMBER 28
NWS NATIONAL HURRICANE CENTER OLNEY MD AL092011
500 AM EDT SAT AUG 27 2011
...CENTER OF IRENE EXPECTED TO MAKE LANDFALL IN NORTH CAROLINA
DURING THE NEXT FEW HOURS...
SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...34.1N 76.5W
ABOUT 35 MI...55 KM S OF CAPE LOOKOUT NORTH CAROLINA
ABOUT 95 MI...155 KM SW OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...NNE OR 20 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...
THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED FOR THE SOUTH
CAROLINA COAST SOUTH OF THE SOUTH SANTEE RIVER.
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 SOUTHEASTERN 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 500 AM EDT...0900 UTC...THE CENTER OF HURRICANE IRENE WAS LOCATED
NEAR LATITUDE 34.1 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 MAKE LANDFALL IN EASTERN
NORTH CAROLINA DURING THE NEXT FEW HOURS AND THEN MOVE ACROSS
EASTERN NORTH CAROLINA. 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 90 MPH...150 KM/H...WITH HIGHER
GUSTS. IRENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS EXPECTED BEFORE
IRENE REACHES THE COAST OF NORTH CAROLINA...AND IRENE IS EXPECTED
TO REMAIN NEAR THE THRESHOLD OF CATEGORY ONE AND CATEGORY TWO
STRENGTH. SOME WEAKENING IS EXPECTED AFTER IRENE REACHES THE COAST
OF 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. THE NOAA AUTOMATED STATION AT CAPE LOOKOUT
RECENTLY REPORTED SUSTAINED WINDS OF 61 MPH...98 KM/H...AND A WIND
GUST OF 78 MPH...126 KM/H. A STORM SPOTTER IN STACY NORTH CAROLINA
RECENTLY REPORTED A WIND GUST OF 93 MPH...150 KM/H.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT IS 952 MB...28.11 INCHES. A NOAA BUOY IN
ONSLOW BAY NORTH CAROLINA RECENTLY REPORTED A PRESSURE OF
963.1 MB...28.44 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL-STORM-FORCE WINDS WILL CONTINUE TO SPREAD INLAND
OVER THE WARNING AREA TODAY. HURRICANE-FORCE WINDS ARE SPREADING
ONTO THE NORTH CAROLINA COAST...AND SHOULD SPREAD NORTHWARD THROUGH
THE HURRICANE WARNING AREA DURING THE DAY. TROPICAL-STORM-FORCE
WINDS ARE EXPECTED TO BEGIN ALONG THE MID-ATLANTIC COAST LATER THIS
MORNING WITH HURRICANE CONDITIONS EXPECTED BY THIS AFTERNOON.
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 INTERMEDIATE ADVISORY...800 AM EDT.
NEXT COMPLETE ADVISORY...1100 AM EDT.
HURRICANE IRENE ADVISORY NUMBER 28
NWS NATIONAL HURRICANE CENTER OLNEY MD AL092011
500 AM EDT SAT AUG 27 2011
...CENTER OF IRENE EXPECTED TO MAKE LANDFALL IN NORTH CAROLINA
DURING THE NEXT FEW HOURS...
SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...34.1N 76.5W
ABOUT 35 MI...55 KM S OF CAPE LOOKOUT NORTH CAROLINA
ABOUT 95 MI...155 KM SW OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...NNE OR 20 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...
THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED FOR THE SOUTH
CAROLINA COAST SOUTH OF THE SOUTH SANTEE RIVER.
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 SOUTHEASTERN 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 500 AM EDT...0900 UTC...THE CENTER OF HURRICANE IRENE WAS LOCATED
NEAR LATITUDE 34.1 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 MAKE LANDFALL IN EASTERN
NORTH CAROLINA DURING THE NEXT FEW HOURS AND THEN MOVE ACROSS
EASTERN NORTH CAROLINA. 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 90 MPH...150 KM/H...WITH HIGHER
GUSTS. IRENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS EXPECTED BEFORE
IRENE REACHES THE COAST OF NORTH CAROLINA...AND IRENE IS EXPECTED
TO REMAIN NEAR THE THRESHOLD OF CATEGORY ONE AND CATEGORY TWO
STRENGTH. SOME WEAKENING IS EXPECTED AFTER IRENE REACHES THE COAST
OF 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. THE NOAA AUTOMATED STATION AT CAPE LOOKOUT
RECENTLY REPORTED SUSTAINED WINDS OF 61 MPH...98 KM/H...AND A WIND
GUST OF 78 MPH...126 KM/H. A STORM SPOTTER IN STACY NORTH CAROLINA
RECENTLY REPORTED A WIND GUST OF 93 MPH...150 KM/H.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT IS 952 MB...28.11 INCHES. A NOAA BUOY IN
ONSLOW BAY NORTH CAROLINA RECENTLY REPORTED A PRESSURE OF
963.1 MB...28.44 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL-STORM-FORCE WINDS WILL CONTINUE TO SPREAD INLAND
OVER THE WARNING AREA TODAY. HURRICANE-FORCE WINDS ARE SPREADING
ONTO THE NORTH CAROLINA COAST...AND SHOULD SPREAD NORTHWARD THROUGH
THE HURRICANE WARNING AREA DURING THE DAY. TROPICAL-STORM-FORCE
WINDS ARE EXPECTED TO BEGIN ALONG THE MID-ATLANTIC COAST LATER THIS
MORNING WITH HURRICANE CONDITIONS EXPECTED BY THIS AFTERNOON.
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 INTERMEDIATE ADVISORY...800 AM EDT.
NEXT COMPLETE ADVISORY...1100 AM EDT.