Post by NHC Olney Maryland on Sept 5, 2008 13:06:33 GMT -5
BULLETIN
TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 35A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
200 PM EDT FRI SEP 05 2008
...HANNA NEARING HURRICANE STRENGTH...MOVING QUICKLY NORTHWARD...
A TROPICAL WARNING REMAINS IN EFFECT FROM ALTAMAHA SOUND GEORGIA
NORTHWARD ALONG THE ATLANTIC COAST TO SANDY HOOK NEW JERSEY...
INCLUDING PAMLICO AND ALBEMARLE SOUNDS...INCLUDING ALL OF
CHESAPEAKE BAY....THE TIDAL POTOMAC...WASHINGTON D.C...AND DELAWARE
BAY. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM
CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24
HOURS.
A HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF EDISTO BEACH
SOUTH CAROLINA TO CURRITUCK BEACH LIGHT NORTH CAROLINA...INCLUDING
PAMLICO SOUND. HURRICANE WARNINGS MAY BE REQUIRED FOR PART OF THIS
AREA LATER THIS AFTERNOON.
A TROPICAL STORM WATCH IS IN EFFECT FROM NORTH OF SANDY HOOK NEW
JERSEY TO WATCH HILL RHODE ISLAND...INCLUDING LONG ISLAND. A
TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.
AT 2 PM EDT...1800 UTC...THE TROPICAL STORM WARNING IS DISCONTINUED
FOR THE NORTHWESTERN BAHAMAS.
REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT THE CENTER OF HANNA IS FARTHER EAST THAT EARLIER REPORTED. AT
200 PM EDT...1800Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED
NEAR LATITUDE 29.8 NORTH...LONGITUDE 78.5 WEST OR ABOUT 160
MILES...255 KM...EAST-NORTHEAST OF DAYTONA BEACH FLORIDA AND ABOUT
310 MILES...500 KM...SOUTH OF WILMINGTON NORTH CAROLINA.
HANNA IS NOW MOVING TOWARD THE NORTH NEAR 20 MPH...32 KM/HR.
THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE REST OF THE DAY.
A TURN TOWARD THE NORTHEAST WITH AN INCREASE IN FORWARD SPEED IS
EXPECTED ON SATURDAY. ON THE FORECAST TRACK...THE CENTER OF HANNA
WILL BE NEAR THE SOUTHEASTERN COAST OF THE UNITED STATES TONIGHT.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH...115 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.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 315 MILES...510 KM
FROM THE CENTER.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER
IS 981 MB...28.97 INCHES. NOAA BUOY 41010 REPORTED A PRESSURE OF
979.7 MB AS THE CENTER OF HANNA PASSED OVER IT A FEW HOURS AGO.
COASTAL STORM SURGE FLOODING OF 4 TO 6 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 NORTH CAROLINA INTO
CENTRAL VIRGINA...MARYLAND...AND SOUTHEASTERN PENNSYLVANIA.
ISOLATED MAXIMUM AMOUNTS OF 10 INCHES ARE POSSIBLE. ADDITIONAL
RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE ALONG THE FLORIDA
EAST COAST AND COASTAL GEORGIA. THE POTENTIAL FOR EXTREMELY HEAVY
RAINFALL TOTALS AND FLASH FLOODING WILL BE SIGNIFICANT FOR THE
NORTHERN MID-ATLANTIC STATES AND SOUTHERN NEW ENGLAND AS HANNA
ADVANCES NORTHWARD ON SATURDAY AND SUNDAY. RAINFALL TOTALS OF 4 TO
8 INCHES WITH LOCALIZED HEAVIER AMOUNTS ARE POSSIBLE THERE.
ISOLATED TORNADOES ARE POSSIBLE TONIGHT OVER THE COASTAL AREAS OF
SOUTH AND NORTH CAROLINA.
REPEATING THE 200 PM EDT POSITION...29.8 N...78.5 W. MOVEMENT
TOWARD...NORTH NEAR 20 MPH. MAXIMUM SUSTAINED WINDS...70 MPH.
MINIMUM CENTRAL PRESSURE...981 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 500 PM EDT.
TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 35A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
200 PM EDT FRI SEP 05 2008
...HANNA NEARING HURRICANE STRENGTH...MOVING QUICKLY NORTHWARD...
A TROPICAL WARNING REMAINS IN EFFECT FROM ALTAMAHA SOUND GEORGIA
NORTHWARD ALONG THE ATLANTIC COAST TO SANDY HOOK NEW JERSEY...
INCLUDING PAMLICO AND ALBEMARLE SOUNDS...INCLUDING ALL OF
CHESAPEAKE BAY....THE TIDAL POTOMAC...WASHINGTON D.C...AND DELAWARE
BAY. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM
CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24
HOURS.
A HURRICANE WATCH REMAINS IN EFFECT FROM NORTH OF EDISTO BEACH
SOUTH CAROLINA TO CURRITUCK BEACH LIGHT NORTH CAROLINA...INCLUDING
PAMLICO SOUND. HURRICANE WARNINGS MAY BE REQUIRED FOR PART OF THIS
AREA LATER THIS AFTERNOON.
A TROPICAL STORM WATCH IS IN EFFECT FROM NORTH OF SANDY HOOK NEW
JERSEY TO WATCH HILL RHODE ISLAND...INCLUDING LONG ISLAND. A
TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.
AT 2 PM EDT...1800 UTC...THE TROPICAL STORM WARNING IS DISCONTINUED
FOR THE NORTHWESTERN BAHAMAS.
REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT THE CENTER OF HANNA IS FARTHER EAST THAT EARLIER REPORTED. AT
200 PM EDT...1800Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED
NEAR LATITUDE 29.8 NORTH...LONGITUDE 78.5 WEST OR ABOUT 160
MILES...255 KM...EAST-NORTHEAST OF DAYTONA BEACH FLORIDA AND ABOUT
310 MILES...500 KM...SOUTH OF WILMINGTON NORTH CAROLINA.
HANNA IS NOW MOVING TOWARD THE NORTH NEAR 20 MPH...32 KM/HR.
THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE REST OF THE DAY.
A TURN TOWARD THE NORTHEAST WITH AN INCREASE IN FORWARD SPEED IS
EXPECTED ON SATURDAY. ON THE FORECAST TRACK...THE CENTER OF HANNA
WILL BE NEAR THE SOUTHEASTERN COAST OF THE UNITED STATES TONIGHT.
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH...115 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.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 315 MILES...510 KM
FROM THE CENTER.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER
IS 981 MB...28.97 INCHES. NOAA BUOY 41010 REPORTED A PRESSURE OF
979.7 MB AS THE CENTER OF HANNA PASSED OVER IT A FEW HOURS AGO.
COASTAL STORM SURGE FLOODING OF 4 TO 6 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 NORTH CAROLINA INTO
CENTRAL VIRGINA...MARYLAND...AND SOUTHEASTERN PENNSYLVANIA.
ISOLATED MAXIMUM AMOUNTS OF 10 INCHES ARE POSSIBLE. ADDITIONAL
RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE ALONG THE FLORIDA
EAST COAST AND COASTAL GEORGIA. THE POTENTIAL FOR EXTREMELY HEAVY
RAINFALL TOTALS AND FLASH FLOODING WILL BE SIGNIFICANT FOR THE
NORTHERN MID-ATLANTIC STATES AND SOUTHERN NEW ENGLAND AS HANNA
ADVANCES NORTHWARD ON SATURDAY AND SUNDAY. RAINFALL TOTALS OF 4 TO
8 INCHES WITH LOCALIZED HEAVIER AMOUNTS ARE POSSIBLE THERE.
ISOLATED TORNADOES ARE POSSIBLE TONIGHT OVER THE COASTAL AREAS OF
SOUTH AND NORTH CAROLINA.
REPEATING THE 200 PM EDT POSITION...29.8 N...78.5 W. MOVEMENT
TOWARD...NORTH NEAR 20 MPH. MAXIMUM SUSTAINED WINDS...70 MPH.
MINIMUM CENTRAL PRESSURE...981 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 500 PM EDT.