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Tropical Storm HANNA


ZCZC MIATCPAT3 ALL
TTAA00 KNHC DDHHMM
BULLETIN
TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER  37A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
200 AM EDT SAT SEP 06 2008

...CENTER OF TROPICAL STORM HANNA ABOUT TO MAKE LANDFALL...

A TROPICAL STORM WARNING REMAINS 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 HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF SOUTH SANTEE
RIVER SOUTH CAROLINA TO CURRITUCK BEACH LIGHT NORTH CAROLINA...
INCLUDING PAMLICO SOUND.

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 200 AM EDT...0600Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED JUST OFFSHORE NEAR LATITUDE 33.3 NORTH...LONGITUDE 78.8 WEST
OR ABOUT 30 MILES...45 KM...SOUTH OF MYRTLE BEACH SOUTH CAROLINA
AND ABOUT 60 MILES...95 KM...SOUTHWEST OF WILMINGTON NORTH
CAROLINA.

HANNA IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 21 MPH...34 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 TODAY AND TOMORROW.  ON THE FORECAST TRACK...THE CENTER OF
HANNA WILL MAKE LANDFALL NEAR THE BORDER BETWEEN SOUTH CAROLINA AND
NORTH CAROLINA WITHIN THE NEXT COUPLE OF HOURS...THEN MOVE ACROSS
EASTERN NORTH CAROLINA LATER THIS MORNING...ALONG THE MID-ATLANTIC
COAST LATER TODAY AND TONIGHT....AND ALONG THE COAST OF THE
NORTHEASTERN UNITED STATES AND SOUTHEASTERN CANADA ON SUNDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS.  ALTHOUGH NO SIGNIFICANT CHANGE IN STRENGTH IS FORECAST
BEFORE LANDFALL OF THE CENTER IN SOUTH OR NORTH CAROLINA...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 TO THE NORTH AND EAST OF THE CENTER.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE
RECONNAISSANCE AIRCRAFT WAS 983 MB...29.03 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 THIS MORNING.
 
REPEATING THE 200 AM EDT POSITION...33.3 N...78.8 W.  MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 21 MPH.  MAXIMUM SUSTAINED WINDS...70
MPH.  MINIMUM CENTRAL PRESSURE...983 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM EDT.
 
$$
FORECASTER KNABB
 
NNNN


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Page last modified: Tuesday, 21-Apr-2009 12:09:17 UTC