Tropical Storm HANNA

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TROPICAL STORM HANNA ADVISORY NUMBER  37
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
1100 PM EDT FRI SEP 05 2008
 
...HANNA HEADING TOWARD THE COAST OF SOUTH AND NORTH CAROLINA IN A
HURRY...

AT 11 PM EDT...0300 UTC...THE TROPICAL STORM WARNING IS EXTENDED
NORTHWARD TO WATCH HILL RHODE ISLAND...INCLUDING NEW YORK HARBOR AND
LONG ISLAND SOUND.
 
AT 11 PM EDT...0300 UTC...THE TROPICAL STORM WARNING SOUTH OF EDISTO
BEACH AND THE HURRICANE WATCH FROM THE SOUTH SANTEE RIVER SOUTHWARD
HAVE BEEN DISCONTINUED.
 
A TROPICAL STORM WARNING IS NOW IN EFFECT FROM EDISTO BEACH SOUTH
CAROLINA NORTHWARD ALONG THE ATLANTIC COAST TO WATCH HILL RHODE
ISLAND...INCLUDING PAMLICO AND ALBEMARLE SOUNDS...ALL OF
CHESAPEAKE BAY...THE TIDAL POTOMAC...WASHINGTON D.C...DELAWARE
BAY...NEW YORK HARBOR AND LONG ISLAND SOUND.  A TROPICAL STORM
WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN
THE WARNING AREA WITHIN THE NEXT 24 HOURS.
 
THE HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF SOUTH SANTEE
RIVER SOUTH CAROLINA TO CURRITUCK BEACH LIGHT NORTH CAROLINA...
INCLUDING PAMLICO SOUND.  HURRICANE WARNINGS MAY BE REQUIRED FOR
PORTIONS OF THIS AREA EARLY SATURDAY.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FROM EAST OF WATCH HILL
RHODE ISLAND TO MERRIMACK RIVER MASSACHUSETTS INCLUDING BLOCK
ISLAND...MARTHA'S VINEYARD AND NANTUCKET.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 1100 PM EDT...0300Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 32.4 NORTH...LONGITUDE 79.1 WEST OR ABOUT 60
MILES... 95 KM...EAST-SOUTHEAST OF CHARLESTON SOUTH CAROLINA AND
ABOUT 140 MILES...230 KM...SOUTH-SOUTHWEST OF WILMINGTON NORTH
CAROLINA.
 
HANNA IS MOVING TOWARD THE NORTH NEAR 20 MPH...32 KM/HR. THIS
MOTION IS EXPECTED TO CONTINUE DURING THE NEXT SEVERAL HOURS WITH A
GRADUAL TURN TO THE NORTHEAST AND AN INCREASE IN FORWARD SPEED ON
SATURDAY.  ON THE FORECAST TRACK...THE CENTER OF HANNA SHOULD BE
MOVING ACROSS EASTERN NORTH CAROLINA EARLY SATURDAY AND THEN MOVE
ALONG THE MID-ATLANTIC COAST LATER SATURDAY AND SATURDAY NIGHT.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS.  ALTHOUGH NO SIGNIFICANT CHANGE IN STRENGTH IS FORECAST
BEFORE LANDFALL...IT WOULD ONLY TAKE A SMALL INCREASE IN WIND SPEED
FOR HANNA TO BECOME A HURRICANE.  WEAKENING IS EXPECTED AFTER
LANDFALL AND HANNA SHOULD BECOME AN EXTRATROPICAL STORM BY EARLY
SUNDAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM
MAINLY TI THE NORTH AND EAST OF THE CENTER.
 
LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE
RECONNAISSANCE PLANE WAS 978 MB...28.88 INCHES.

COASTAL STORM SURGE FLOODING OF 3 TO 5 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED NEAR AND TO THE EAST OF THE PATH OF THE CENTER OF HANNA.
 
HANNA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 3 TO 7 INCHES
FROM COASTAL SOUTH CAROLINA...NORTHWARD THROUGH CENTRAL AND EASTERN
NORTH CAROLINA INTO THE MID-ATLANTIC STATES...WITH ISOLATED MAXIMUM
AMOUNTS OF 10 INCHES POSSIBLE.  THE POTENTIAL FOR FLASH FLOODING
WILL BE SIGNIFICANT FOR THE MID-ATLANTIC REGION AND SOUTHERN NEW
ENGLAND.
 
ISOLATED TORNADOES ARE POSSIBLE OVER THE COASTAL PLAINS OF 
SOUTH AND NORTH CAROLINA AND SOUTHEAST VIRGINIA THROUGH SATURDAY
MORNING. 

REPEATING THE 1100 PM EDT POSITION...32.4 N...79.1 W.  MOVEMENT
TOWARD...NORTH NEAR 20 MPH.  MAXIMUM SUSTAINED WINDS...70 MPH.
MINIMUM CENTRAL PRESSURE...978 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500
AM EDT.
 
$$
FORECASTER AVILA
 
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