Post by NHC Olney Maryland on Sept 18, 2010 13:19:12 GMT -5
BULLETIN
HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 38A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
200 PM AST FRI SEP 17 2010
...HURRICANE HUNTER PLANE FINDS IGOR SLIGHTLY WEAKER...HURRICANE
WARNING ISSUED FOR BERMUDA...
SUMMARY OF 200 PM AST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...23.4N 60.7W
ABOUT 665 MI...1070 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 9 MPH...15 KM/HR
MINIMUM CENTRAL PRESSURE...946 MB...27.93 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
THE BERMUDA WEATHER SERVICE HAS ISSUED A HURRICANE WARNING FOR
BERMUDA AT 2 PM AST...1800 UTC.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* BERMUDA
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36
HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-
FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT
OR DANGEROUS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE
RUSHED TO COMPLETION.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM AST...1800 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 23.4 NORTH...LONGITUDE 60.7 WEST. IGOR IS MOVING
TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR. THIS GENERAL MOTION
WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT DAY OR
SO...FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST. ON THE FORECAST
TRACK...THE CENTER OF THE HURRICANE WILL BE APPROACHING BERMUDA ON
SUNDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 115 MPH...185
KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN
STRENGTH ARE POSSIBLE DURING THE NEXT COUPLE OF DAYS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290
MILES...465 KM.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE
HURRICANE HUNTER AIRCRAFT WAS 946 MB...27.93 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN BERMUDA BY LATE
SATURDAY...WITH HURRICANE CONDITIONS EXPECTED ON SUNDAY.
SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE LEEWARD ISLANDS...
PUERTO RICO...THE VIRGIN ISLANDS...HISPANIOLA...AND PORTIONS OF THE
BAHAMAS DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL ALSO
CAUSE DANGEROUS SURF CONDITIONS IN BERMUDA DURING THE NEXT SEVERAL
DAYS...WHICH WILL WORSEN AS IGOR APPROACHES. SWELLS WILL CONTINUE
TO AFFECT THE EAST COAST OF THE UNITED STATES THROUGH THE WEEKEND.
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 PM AST.
HURRICANE IGOR INTERMEDIATE ADVISORY NUMBER 38A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
200 PM AST FRI SEP 17 2010
...HURRICANE HUNTER PLANE FINDS IGOR SLIGHTLY WEAKER...HURRICANE
WARNING ISSUED FOR BERMUDA...
SUMMARY OF 200 PM AST...1800 UTC...INFORMATION
----------------------------------------------
LOCATION...23.4N 60.7W
ABOUT 665 MI...1070 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 9 MPH...15 KM/HR
MINIMUM CENTRAL PRESSURE...946 MB...27.93 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
THE BERMUDA WEATHER SERVICE HAS ISSUED A HURRICANE WARNING FOR
BERMUDA AT 2 PM AST...1800 UTC.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
A HURRICANE WARNING IS IN EFFECT FOR...
* BERMUDA
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36
HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-
FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT
OR DANGEROUS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE
RUSHED TO COMPLETION.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM AST...1800 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 23.4 NORTH...LONGITUDE 60.7 WEST. IGOR IS MOVING
TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR. THIS GENERAL MOTION
WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT DAY OR
SO...FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST. ON THE FORECAST
TRACK...THE CENTER OF THE HURRICANE WILL BE APPROACHING BERMUDA ON
SUNDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 115 MPH...185
KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN
STRENGTH ARE POSSIBLE DURING THE NEXT COUPLE OF DAYS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290
MILES...465 KM.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE
HURRICANE HUNTER AIRCRAFT WAS 946 MB...27.93 INCHES.
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS ARE EXPECTED IN BERMUDA BY LATE
SATURDAY...WITH HURRICANE CONDITIONS EXPECTED ON SUNDAY.
SURF...LARGE SWELLS WILL CONTINUE TO AFFECT THE LEEWARD ISLANDS...
PUERTO RICO...THE VIRGIN ISLANDS...HISPANIOLA...AND PORTIONS OF THE
BAHAMAS DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL ALSO
CAUSE DANGEROUS SURF CONDITIONS IN BERMUDA DURING THE NEXT SEVERAL
DAYS...WHICH WILL WORSEN AS IGOR APPROACHES. SWELLS WILL CONTINUE
TO AFFECT THE EAST COAST OF THE UNITED STATES THROUGH THE WEEKEND.
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 PM AST.