Post by Nws Olney Maryland on Aug 26, 2011 10:44:06 GMT -5
BULLETIN
HURRICANE IRENE ADVISORY NUMBER 25
NWS NATIONAL HURRICANE CENTER OLNEY MD AL092011
1100 AM EDT FRI AUG 26 2011
...OUTER RAIN BANDS OF LARGE HURRICANE IRENE NEARING THE COAST OF
THE CAROLINAS....
SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...30.7N 77.3W
ABOUT 330 MI...530 KM SSW OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...946 MB...27.93 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
THE GOVERNMENT OF THE BAHAMAS HAS DISCONTINUED ALL WARNINGS.
THE HURRICANE WARNING HAS BEEN EXTENDED NORTHWARD IN THE
CHESAPEAKE BAY TO DRUM POINT.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* LITTLE RIVER INLET NORTH CAROLINA NORTHWARD TO SANDY HOOK NEW
JERSEY...INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK
SOUNDS...DELAWARE BAY...AND CHESAPEAKE BAY SOUTH OF DRUM POINT.
A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH OF SANDY HOOK TO THE MOUTH OF THE MERRIMACK RIVER
MASSACHUSETTS...INCLUDING NEW YORK CITY...LONG ISLAND...LONG ISLAND
SOUND...BLOCK ISLAND...BOSTON...MARTHAS VINEYARD AND NANTUCKET.
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH OF EDISTO BEACH SOUTH CAROLINA TO LITTLE RIVER INLET
* CHESAPEAKE BAY FROM DRUM POINT NORTHWARD AND THE TIDAL POTOMAC
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
WATCHES AND WARNINGS WILL LIKELY BE EXTENDED NORTHWARD INTO NEW
ENGLAND THIS AFTERNOON. INTERESTS ELSEWHERE IN NORTHEASTERN UNITED
STATES AND SOUTHEASTERN CANADA SHOULD MONITOR THE PROGRESS OF
IRENE.
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 HURRICANE IRENE WAS
LOCATED NEAR LATITUDE 30.7 NORTH...LONGITUDE 77.3 WEST. IRENE IS
MOVING TOWARD THE NORTH NEAR 14 MPH...22 KM/H...AND THIS MOTION
IS EXPECTED TO CONTINUE TODAY. A GRADUAL TURN TOWARD THE
NORTH-NORTHEAST SHOULD BEGIN BY SATURDAY. ON THE FORECAST TRACK...
THE CORE OF THE HURRICANE WILL PASS WELL OFF THE COAST OF GEORGIA
TODAY...APPROACH THE COAST OF NORTH CAROLINA TONIGHT...AND PASS
NEAR OR OVER THE NORTH CAROLINA COAST SATURDAY. THE HURRICANE
IS FORECAST TO MOVE NEAR OR OVER THE MID-ATLANTIC COAST SATURDAY
NIGHT.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 105 MPH...165
KM/H...WITH HIGHER GUSTS. IRENE IS A CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS
FORECAST BEFORE IRENE REACHES THE COAST OF NORTH CAROLINA.
IRENE IS A LARGE TROPICAL CYCLONE. HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM. NOAA
BUOY 41013 LOCATED ABOUT 40 MILES SOUTH-SOUTHEAST OF SOUTHPORT
NORTH CAROLINA RECENTLY MEASURED A WIND GUST TO 47 MPH...76 KM/H.
THE LATEST MINIMUM CENTRAL PRESSURE ESTIMATED FROM RECONNAISSANCE
AIRCRAFT DATA IS 946 MB...27.93 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS ARE EXPECTED TO FIRST REACH THE
SOUTHERN PORTION OF THE WARNING AREA THIS AFTERNOON. HURRICANE
FORCE WINDS ARE EXPECTED TO FIRST REACH THE HURRICANE WARNING AREA
TONIGHT OR SATURDAY MORNING...AND THEN SPREAD NORTHWARD IN THE
WARNING AREA THROUGH SUNDAY.
STORM SURGE...AN EXTREMELY DANGEROUS STORM SURGE WILL RAISE WATER
LEVELS BY AS MUCH AS 6 TO 11 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 OVER SOUTHERN POTIONS OF THE
CHESAPEAKE BAY...INCLUDING TRIBUTARIES...AND THE EASTERN SHORE OF
THE DELMARVA PENINSULA. STORM SURGE WILL RAISE WATER LEVELS BY AS
MUCH AS 3 TO 6 FEET ABOVE GROUND LEVEL ALONG THE JERSEY SHORE.
NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE...
DESTRUCTIVE...AND LIFE-THREATENING WAVES.
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 NEW ENGLAND THROUGH MONDAY MORNING. 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.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM EDT.
NEXT COMPLETE ADVISORY...500 PM EDT.
HURRICANE IRENE ADVISORY NUMBER 25
NWS NATIONAL HURRICANE CENTER OLNEY MD AL092011
1100 AM EDT FRI AUG 26 2011
...OUTER RAIN BANDS OF LARGE HURRICANE IRENE NEARING THE COAST OF
THE CAROLINAS....
SUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...30.7N 77.3W
ABOUT 330 MI...530 KM SSW OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...946 MB...27.93 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
THE GOVERNMENT OF THE BAHAMAS HAS DISCONTINUED ALL WARNINGS.
THE HURRICANE WARNING HAS BEEN EXTENDED NORTHWARD IN THE
CHESAPEAKE BAY TO DRUM POINT.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* LITTLE RIVER INLET NORTH CAROLINA NORTHWARD TO SANDY HOOK NEW
JERSEY...INCLUDING THE PAMLICO...ALBEMARLE...AND CURRITUCK
SOUNDS...DELAWARE BAY...AND CHESAPEAKE BAY SOUTH OF DRUM POINT.
A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH OF SANDY HOOK TO THE MOUTH OF THE MERRIMACK RIVER
MASSACHUSETTS...INCLUDING NEW YORK CITY...LONG ISLAND...LONG ISLAND
SOUND...BLOCK ISLAND...BOSTON...MARTHAS VINEYARD AND NANTUCKET.
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH OF EDISTO BEACH SOUTH CAROLINA TO LITTLE RIVER INLET
* CHESAPEAKE BAY FROM DRUM POINT NORTHWARD AND THE TIDAL POTOMAC
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
WATCHES AND WARNINGS WILL LIKELY BE EXTENDED NORTHWARD INTO NEW
ENGLAND THIS AFTERNOON. INTERESTS ELSEWHERE IN NORTHEASTERN UNITED
STATES AND SOUTHEASTERN CANADA SHOULD MONITOR THE PROGRESS OF
IRENE.
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 HURRICANE IRENE WAS
LOCATED NEAR LATITUDE 30.7 NORTH...LONGITUDE 77.3 WEST. IRENE IS
MOVING TOWARD THE NORTH NEAR 14 MPH...22 KM/H...AND THIS MOTION
IS EXPECTED TO CONTINUE TODAY. A GRADUAL TURN TOWARD THE
NORTH-NORTHEAST SHOULD BEGIN BY SATURDAY. ON THE FORECAST TRACK...
THE CORE OF THE HURRICANE WILL PASS WELL OFF THE COAST OF GEORGIA
TODAY...APPROACH THE COAST OF NORTH CAROLINA TONIGHT...AND PASS
NEAR OR OVER THE NORTH CAROLINA COAST SATURDAY. THE HURRICANE
IS FORECAST TO MOVE NEAR OR OVER THE MID-ATLANTIC COAST SATURDAY
NIGHT.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 105 MPH...165
KM/H...WITH HIGHER GUSTS. IRENE IS A CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. LITTLE CHANGE IN STRENGTH IS
FORECAST BEFORE IRENE REACHES THE COAST OF NORTH CAROLINA.
IRENE IS A LARGE TROPICAL CYCLONE. HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM. NOAA
BUOY 41013 LOCATED ABOUT 40 MILES SOUTH-SOUTHEAST OF SOUTHPORT
NORTH CAROLINA RECENTLY MEASURED A WIND GUST TO 47 MPH...76 KM/H.
THE LATEST MINIMUM CENTRAL PRESSURE ESTIMATED FROM RECONNAISSANCE
AIRCRAFT DATA IS 946 MB...27.93 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS ARE EXPECTED TO FIRST REACH THE
SOUTHERN PORTION OF THE WARNING AREA THIS AFTERNOON. HURRICANE
FORCE WINDS ARE EXPECTED TO FIRST REACH THE HURRICANE WARNING AREA
TONIGHT OR SATURDAY MORNING...AND THEN SPREAD NORTHWARD IN THE
WARNING AREA THROUGH SUNDAY.
STORM SURGE...AN EXTREMELY DANGEROUS STORM SURGE WILL RAISE WATER
LEVELS BY AS MUCH AS 6 TO 11 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 OVER SOUTHERN POTIONS OF THE
CHESAPEAKE BAY...INCLUDING TRIBUTARIES...AND THE EASTERN SHORE OF
THE DELMARVA PENINSULA. STORM SURGE WILL RAISE WATER LEVELS BY AS
MUCH AS 3 TO 6 FEET ABOVE GROUND LEVEL ALONG THE JERSEY SHORE.
NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE...
DESTRUCTIVE...AND LIFE-THREATENING WAVES.
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 NEW ENGLAND THROUGH MONDAY MORNING. 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.
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 PM EDT.
NEXT COMPLETE ADVISORY...500 PM EDT.