Skip Navigation Links weather.gov   
NOAA logo - Click to go to the NOAA homepage National Weather Service   NWS logo - Click to go to the NWS homepage
National Hurricane Center
Local forecast by
"City, St" or "ZIP"

 
Alternate Formats
   Text     |   Mobile
   Email   |   RSS XML/RSS logo
   About Alternates
Cyclone Forecasts
   Latest Advisory
   Past Advisories
   Audio/Podcasts
   About Advisories
Marine Forecasts
   Atlantic & E Pacific
   Gridded Marine
   About Marine
Tools & Data
   Satellite | Radar
   Analysis Tools
   Aircraft Recon
   GIS Datasets
   Data Archive
Development
   Experimental
   Research
   Forecast Accuracy
Outreach & Education
   Prepare
   Storm Surge
   About Cyclones
   Cyclone Names
   Wind Scale
   Most Extreme
   Forecast Models
   Breakpoints
   Resources
   Glossary | Acronyms
   Frequent Questions
Our Organization
   About NHC
   Mission & Vision
   Staff | Q&A
   Visitors | Virtual Tour
   Library Branch
   NCEP | Newsletter
Contact Us
   Comments
Follow the National Hurricane Center on Facebook Follow the National Hurricane Center on Twitter
Subscribe the National Hurricane Center on YouTube Read the National Hurricane Center Inside the Eye blog on WordPress
FirstGov.gov is the U.S. Government's official Web portal to all Federal, state and local government Web resources and services.
 
 

Hurricane IRENE


ZCZC MIATCPAT4 ALL
TTAA00 KNHC DDHHMM
 
BULLETIN
HURRICANE IRENE INTERMEDIATE ADVISORY NUMBER  25A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092011
200 PM EDT FRI AUG 26 2011
 
...IRENE WEAKENS A LITTLE...TROPICAL STORM FORCE WINDS 
ARRIVING ALONG THE COAST OF THE CAROLINAS.
 
 
SUMMARY OF 200 PM EDT...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...31.2N 77.5W
ABOUT 300 MI...480 KM SSW OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...N OR 360 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...951 MB...28.08 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 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
 
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 200 PM EDT...1800 UTC...THE CENTER OF HURRICANE IRENE WAS LOCATED
NEAR LATITUDE 31.2 NORTH...LONGITUDE 77.5 WEST. IRENE IS MOVING
TOWARD THE NORTH NEAR 14 MPH...22 KM/H...AND THIS MOTION IS
EXPECTED TO CONTINUE TODAY. A TURN TOWARD THE NORTH-NORTHEAST
SHOULD BEGIN BY SATURDAY. ON THE FORECAST TRACK... THE CORE OF THE
HURRICANE WILL APPROACH THE COAST OF NORTH CAROLINA TONIGHT AND
PASS NEAR OR OVER THE NORTH CAROLINA COAST ON SATURDAY. THE
HURRICANE IS FORECAST TO MOVE NEAR OR OVER THE MID-ATLANTIC COAST
SATURDAY NIGHT.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 100 MPH...155
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.  SOME WEAKENING IS EXPECTED AFTER THAT...BUT IS EXPECTED
TO REMAIN A HURRICANE AS IT MOVES ALONG THE MID-ATLANTIC COAST ON
SUNDAY.
 
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.  A
COASTAL MARINE OBSERVING SITE AT FOLLY ISLAND SOUTH CAROLINA
RECENTLY MEASURED A WIND GUST TO 55 MPH...89 KM/H. 
 
THE LATEST MINIMUM CENTRAL PRESSURE MEASURE BY AN AIR FORCE RESERVE
HURRICANE HUNTER AIRCRAFT WAS 951 MB...28.08 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM FORCE WINDS WILL SPREAD OVER THE SOUTHERN
PORTION OF THE WARNING AREA DURING THE NEXT FEW HOURS.  HURRICANE
FORCE WINDS ARE EXPECTED TO FIRST REACH THE HURRICANE WARNING AREA
OVERNIGHT TONIGHT.  TROPICAL STORM FORCE WINDS ARE EXPECTED TO BEGIN
ALONG THE MID-ATLANTIC COAST OVERNIGHT WITH HURRICANE CONDITIONS
EXPECTED BY SATURDAY AFTERNOON.

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 PORTIONS 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 COMPLETE ADVISORY...500 PM EDT.
 
$$
FORECASTER BROWN
 
NNNN


Quick Navigation Links:
Tropical Cyclone Forecasts  -  Tropical Marine Forecasts  -  Data Archive
Outreach  -  Prepare  -  About Cyclones  -  About NHC  -  Contact Us

NOAA/ National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida 33165-2149 USA
nhcwebmaster@noaa.gov
Disclaimer
Credits
Information Quality
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities
Page last modified: Tuesday, 17-Jul-2012 13:43:50 UTC