Post by NHC Olney Maryland on Sept 6, 2008 13:11:58 GMT -5
BULLETIN
TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 39A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
200 PM EDT SAT SEP 06 2008
...CENTER OF HANNA MOVING TOWARD THE LOWER CHESAPEAKE BAY...
AT 2 PM EDT...1800 UTC...THE TROPICAL STORM WARNING IS DISCONTINUED
FROM CAPE HATTERAS NORTH CAROLINA SOUTHWARD. A TROPICAL STORM
WARNING IS NOW IN EFFECT FROM NORTH OF CAPE HATTERAS NORTH CAROLINA
TO MERRIMACK RIVER MASSACHUSETTS...INCLUDING PAMLICO AND ALBEMARLE
SOUNDS...ALL OF CHESAPEAKE BAY...THE TIDAL POTOMAC... WASHINGTON
D.C...DELAWARE BAY...NEW YORK HARBOR...LONG ISLAND SOUND...BLOCK
ISLAND...MARTHA'S VINEYARD AND NANTUCKET. A TROPICAL STORM WARNING
MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE
WARNING AREA WITHIN THE NEXT 24 HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 200 PM EDT...1800Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 37.6 NORTH...LONGITUDE 76.6 WEST OR JUST
NORTHEAST OF WILLIAMSBURG VIRGINIA. THIS POSITION IS ALSO ABOUT
55 MILES...90 KM...NORTH-NORTHWEST OF NORFOLK VIRGINIA.
HANNA IS MOVING TOWARD THE NORTHEAST NEAR 25 MPH...50 KM/HR.
THIS GENERAL MOTION IS EXPECTED TO CONTINUE WITH AN INCREASE IN
FORWARD SPEED DURING THE NEXT 12 TO 24 HOURS. ON THE FORECAST
TRACK...THE CENTER OF HANA WILL MOVE THROUGH THE EASTERN
MID-ATLANTIC STATES THIS AFTERNOON...NEAR OR OVER SOUTHERN NEW
ENGLAND TONIGHT AND SUNDAY...AND NEAR THE CANADIAN MARITIMES SUNDAY
NIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT COUPLE
OF DAYS. HOWEVER...HANNA IS FORECAST TO LOSE TROPICAL
CHARACTERISTICS ON SUNDAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM
FROM THE CENTER. THERE ARE NUMEROUS REPORTS OF SUSTAINED WINDS OF
4O TO 45 MPH...65 TO 70 KM/HR...WITH GUSTS OF 50 TO 60 MPH...80 TO
95 KM/HR...NORTH OF CAPE HATTERAS INTO SOUTHEASTERN VIRGINIA.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 993 MB...29.18 INCHES.
STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS...WITH
LOCALLY HIGHER LEVELS IN BAYS AND ACCOMPANIED LARGE AND DANGEROUS
BATTERING WAVES...IS EXPECTED IN THE WARNING AREA. COASTAL STORM
SURGE FLOODING ALONG THE ATLANTIC COASTS OF SOUTH CAROLINA AND
NORTH CAROLINA...INCLUDING THE PAMLICO AND ABLEMARLE SOUNDS...
SHOULD GRADUALLY SUBSIDE TODAY.
HANNA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 4 TO 6 INCHES
FROM CENTRAL NORTH CAROLINA...NORTHEASTWARD THROUGH EASTERN PORTIONS
OF THE MID-ATLANTIC STATES...SOUTHERN NEW YORK...AND INTO SOUTHERN
NEW ENGLAND...WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES POSSIBLE.
THESE RAINFALL AMOUNTS COULD PRODUCE FLASH FLOODING ACROSS THESE
REGIONS.
ISOLATED TORNADOES ARE POSSIBLE TODAY OVER EASTERN NORTH
CAROLINA...EASTERN VIRGINIA...SOUTHERN MARYLAND...DELAWARE...
SOUTHERN NEW JERSEY...AND SOUTHEASTERN NEW YORK TODAY.
REPEATING THE 200 PM EDT POSITION...37.6 N...76.6 W. MOVEMENT
TOWARD...NORTHEAST NEAR 25 MPH. MAXIMUM SUSTAINED WINDS...50
MPH. MINIMUM CENTRAL PRESSURE...993 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 500 PM EDT.
TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 39A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
200 PM EDT SAT SEP 06 2008
...CENTER OF HANNA MOVING TOWARD THE LOWER CHESAPEAKE BAY...
AT 2 PM EDT...1800 UTC...THE TROPICAL STORM WARNING IS DISCONTINUED
FROM CAPE HATTERAS NORTH CAROLINA SOUTHWARD. A TROPICAL STORM
WARNING IS NOW IN EFFECT FROM NORTH OF CAPE HATTERAS NORTH CAROLINA
TO MERRIMACK RIVER MASSACHUSETTS...INCLUDING PAMLICO AND ALBEMARLE
SOUNDS...ALL OF CHESAPEAKE BAY...THE TIDAL POTOMAC... WASHINGTON
D.C...DELAWARE BAY...NEW YORK HARBOR...LONG ISLAND SOUND...BLOCK
ISLAND...MARTHA'S VINEYARD AND NANTUCKET. A TROPICAL STORM WARNING
MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE
WARNING AREA WITHIN THE NEXT 24 HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
AT 200 PM EDT...1800Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 37.6 NORTH...LONGITUDE 76.6 WEST OR JUST
NORTHEAST OF WILLIAMSBURG VIRGINIA. THIS POSITION IS ALSO ABOUT
55 MILES...90 KM...NORTH-NORTHWEST OF NORFOLK VIRGINIA.
HANNA IS MOVING TOWARD THE NORTHEAST NEAR 25 MPH...50 KM/HR.
THIS GENERAL MOTION IS EXPECTED TO CONTINUE WITH AN INCREASE IN
FORWARD SPEED DURING THE NEXT 12 TO 24 HOURS. ON THE FORECAST
TRACK...THE CENTER OF HANA WILL MOVE THROUGH THE EASTERN
MID-ATLANTIC STATES THIS AFTERNOON...NEAR OR OVER SOUTHERN NEW
ENGLAND TONIGHT AND SUNDAY...AND NEAR THE CANADIAN MARITIMES SUNDAY
NIGHT.
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT COUPLE
OF DAYS. HOWEVER...HANNA IS FORECAST TO LOSE TROPICAL
CHARACTERISTICS ON SUNDAY.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM
FROM THE CENTER. THERE ARE NUMEROUS REPORTS OF SUSTAINED WINDS OF
4O TO 45 MPH...65 TO 70 KM/HR...WITH GUSTS OF 50 TO 60 MPH...80 TO
95 KM/HR...NORTH OF CAPE HATTERAS INTO SOUTHEASTERN VIRGINIA.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 993 MB...29.18 INCHES.
STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS...WITH
LOCALLY HIGHER LEVELS IN BAYS AND ACCOMPANIED LARGE AND DANGEROUS
BATTERING WAVES...IS EXPECTED IN THE WARNING AREA. COASTAL STORM
SURGE FLOODING ALONG THE ATLANTIC COASTS OF SOUTH CAROLINA AND
NORTH CAROLINA...INCLUDING THE PAMLICO AND ABLEMARLE SOUNDS...
SHOULD GRADUALLY SUBSIDE TODAY.
HANNA IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 4 TO 6 INCHES
FROM CENTRAL NORTH CAROLINA...NORTHEASTWARD THROUGH EASTERN PORTIONS
OF THE MID-ATLANTIC STATES...SOUTHERN NEW YORK...AND INTO SOUTHERN
NEW ENGLAND...WITH ISOLATED MAXIMUM AMOUNTS OF 10 INCHES POSSIBLE.
THESE RAINFALL AMOUNTS COULD PRODUCE FLASH FLOODING ACROSS THESE
REGIONS.
ISOLATED TORNADOES ARE POSSIBLE TODAY OVER EASTERN NORTH
CAROLINA...EASTERN VIRGINIA...SOUTHERN MARYLAND...DELAWARE...
SOUTHERN NEW JERSEY...AND SOUTHEASTERN NEW YORK TODAY.
REPEATING THE 200 PM EDT POSITION...37.6 N...76.6 W. MOVEMENT
TOWARD...NORTHEAST NEAR 25 MPH. MAXIMUM SUSTAINED WINDS...50
MPH. MINIMUM CENTRAL PRESSURE...993 MB.
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 500 PM EDT.