Post by NHC Olney Maryland on Sept 19, 2010 10:45:46 GMT -5
BULLETIN
HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 44A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
200 AM AST SUN SEP 19 2010
...LARGE IGOR A LITTLE WEAKER...TROPICAL STORM CONDITIONS BEGINNING
TO SPREAD OVER BERMUDA...
SUMMARY OF 200 AM AST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...28.3N 65.1W
ABOUT 275 MI...445 KM S OF BERMUDA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/HR
PRESENT MOVEMENT...NNW OR 340 DEGREES AT 12 MPH...19 KM/HR
MINIMUM CENTRAL PRESSURE...949 MB...28.02 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* BERMUDA
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 AM AST...0600 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 28.3 NORTH...LONGITUDE 65.1 WEST. IGOR IS MOVING
TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/HR...AND A TURN
TOWARD THE NORTH SHOULD BEGIN SOON. ON THE FORECAST TRACK...THE
CENTER OF IGOR WILL PASS NEAR OR OVER BERMUDA LATE SUNDAY OR EARLY
MONDAY.
DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150
KM/HR...WITH HIGHER GUSTS. SOME FLUCTUATIONS IN INTENSITY ARE
LIKELY BETWEEN NOW AND THE TIME THE HURRICANE MOVES NEAR OR OVER
BERMUDA...BUT IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE
DURING THAT PERIOD. GRADUAL WEAKENING SHOULD BEGIN BY LATE MONDAY
OR TUESDAY.
IGOR IS A VERY LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 345 MILES...555 KM.
OBSERVING SITES IN BERMUDA HAVE REPORTED PEAK WINDS OF TROPICAL
STORM FORCE IN THE LAST HOUR...INCLUDING A PEAK WIND OF 54 MPH...
87 KM/HR...AT COMMISSIONERS POINT.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER
AIRCRAFT WAS 949 MB...28.02 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE CURRENTLY SPREADING OVER
BERMUDA...AND HURRICANE CONDITIONS ARE EXPECTED BY SUNDAY AFTERNOON
OR EVENING.
RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 6 TO 9 INCHES OVER BERMUDA.
STORM SURGE...A DANGEROUS STORM SURGE IS EXPECTED TO PRODUCE
SIGNIFICANT COASTAL FLOODING ON BERMUDA. THE SURGE WILL BE
ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES...ESPECIALLY ALONG THE
SOUTHERN COAST.
SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE
UNITED STATES THROUGH THE WEEKEND. LARGE SWELLS WILL GRADUALLY
SUBSIDE IN THE LEEWARD ISLANDS...PUERTO RICO...THE VIRGIN ISLANDS
...HISPANIOLA...AND PORTIONS OF THE BAHAMAS DURING THE NEXT COUPLE
OF DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF
AND RIP CURRENTS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER
OFFICE FOR ADDITIONAL INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 AM AST
HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 44A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
200 AM AST SUN SEP 19 2010
...LARGE IGOR A LITTLE WEAKER...TROPICAL STORM CONDITIONS BEGINNING
TO SPREAD OVER BERMUDA...
SUMMARY OF 200 AM AST...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...28.3N 65.1W
ABOUT 275 MI...445 KM S OF BERMUDA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/HR
PRESENT MOVEMENT...NNW OR 340 DEGREES AT 12 MPH...19 KM/HR
MINIMUM CENTRAL PRESSURE...949 MB...28.02 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* BERMUDA
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 AM AST...0600 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 28.3 NORTH...LONGITUDE 65.1 WEST. IGOR IS MOVING
TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/HR...AND A TURN
TOWARD THE NORTH SHOULD BEGIN SOON. ON THE FORECAST TRACK...THE
CENTER OF IGOR WILL PASS NEAR OR OVER BERMUDA LATE SUNDAY OR EARLY
MONDAY.
DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150
KM/HR...WITH HIGHER GUSTS. SOME FLUCTUATIONS IN INTENSITY ARE
LIKELY BETWEEN NOW AND THE TIME THE HURRICANE MOVES NEAR OR OVER
BERMUDA...BUT IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE
DURING THAT PERIOD. GRADUAL WEAKENING SHOULD BEGIN BY LATE MONDAY
OR TUESDAY.
IGOR IS A VERY LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 345 MILES...555 KM.
OBSERVING SITES IN BERMUDA HAVE REPORTED PEAK WINDS OF TROPICAL
STORM FORCE IN THE LAST HOUR...INCLUDING A PEAK WIND OF 54 MPH...
87 KM/HR...AT COMMISSIONERS POINT.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER
AIRCRAFT WAS 949 MB...28.02 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE CURRENTLY SPREADING OVER
BERMUDA...AND HURRICANE CONDITIONS ARE EXPECTED BY SUNDAY AFTERNOON
OR EVENING.
RAINFALL...IGOR IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 6 TO 9 INCHES OVER BERMUDA.
STORM SURGE...A DANGEROUS STORM SURGE IS EXPECTED TO PRODUCE
SIGNIFICANT COASTAL FLOODING ON BERMUDA. THE SURGE WILL BE
ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES...ESPECIALLY ALONG THE
SOUTHERN COAST.
SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE EAST COAST OF THE
UNITED STATES THROUGH THE WEEKEND. LARGE SWELLS WILL GRADUALLY
SUBSIDE IN THE LEEWARD ISLANDS...PUERTO RICO...THE VIRGIN ISLANDS
...HISPANIOLA...AND PORTIONS OF THE BAHAMAS DURING THE NEXT COUPLE
OF DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF
AND RIP CURRENTS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER
OFFICE FOR ADDITIONAL INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 AM AST