Post by NHC Olney Maryland on Sept 14, 2010 12:15:14 GMT -5
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 25
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
500 AM AST TUE SEP 14 2010
...CATEGORY 4 IGOR NOW MOVING WEST-NORTHWESTWARD...
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...17.9N 51.7W
ABOUT 750 MI...1205 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 8 MPH...13 KM/HR
MINIMUM CENTRAL PRESSURE...945 MB...27.91 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 17.9 NORTH...LONGITUDE 51.7 WEST. IGOR IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 8 MPH. THIS GENERAL MOTION IS
EXPECTED TO CONTINUE TODAY...FOLLOWED BY A TURN TOWARD THE
NORTHWEST ON WEDNESDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED A LITTLE MORE AND ARE NOW
NEAR 135 MPH...215 KM/HR...WITH HIGHER GUSTS. IGOR IS STILL A
CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE.
SOME FLUCTUATIONS IN INTENSITY ARE POSSIBLE DURING THE NEXT COUPLE
OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE
THROUGH WEDNESDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 195
MILES...315 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 945 MB...27.91 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY IGOR WILL BEGIN AFFECTING THE LEEWARD
ISLANDS TODAY...AND WILL REACH PUERTO RICO AND THE VIRGIN
ISLANDS TONIGHT AND WEDNESDAY. THESE SWELLS ARE LIKELY TO
CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE
CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE FOR ADDITIONAL
INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM AST.
HURRICANE IGOR ADVISORY NUMBER 25
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
500 AM AST TUE SEP 14 2010
...CATEGORY 4 IGOR NOW MOVING WEST-NORTHWESTWARD...
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...17.9N 51.7W
ABOUT 750 MI...1205 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 8 MPH...13 KM/HR
MINIMUM CENTRAL PRESSURE...945 MB...27.91 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 17.9 NORTH...LONGITUDE 51.7 WEST. IGOR IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 8 MPH. THIS GENERAL MOTION IS
EXPECTED TO CONTINUE TODAY...FOLLOWED BY A TURN TOWARD THE
NORTHWEST ON WEDNESDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED A LITTLE MORE AND ARE NOW
NEAR 135 MPH...215 KM/HR...WITH HIGHER GUSTS. IGOR IS STILL A
CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE.
SOME FLUCTUATIONS IN INTENSITY ARE POSSIBLE DURING THE NEXT COUPLE
OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A DANGEROUS HURRICANE
THROUGH WEDNESDAY.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 195
MILES...315 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 945 MB...27.91 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY IGOR WILL BEGIN AFFECTING THE LEEWARD
ISLANDS TODAY...AND WILL REACH PUERTO RICO AND THE VIRGIN
ISLANDS TONIGHT AND WEDNESDAY. THESE SWELLS ARE LIKELY TO
CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE
CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE FOR ADDITIONAL
INFORMATION.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1100 AM AST.