Post by NHC Olney Maryland on Sept 14, 2010 12:13:55 GMT -5
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 24
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 PM AST MON SEP 13 2010
...IGOR WEAKENS A LITTLE BUT STILL AN INTENSE CATEGORY 4
HURRICANE...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.7N 51.2W
ABOUT 785 MI...1260 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/HR
PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/HR
MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM AST...0300 UTC...THE EYE OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 17.7 NORTH...LONGITUDE 51.2 WEST. IGOR IS MOVING
TOWARD THE WEST NEAR 9 MPH...15 KM/HR. THIS GENERAL SPEED WITH A
TURN TOWARD THE WEST-NORTHWEST IS EXPECTED ON TUESDAY...FOLLOWED BY
A TURN TOWARD THE NORTHWEST EARLY WEDNESDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 140 MPH...220
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 POWERFUL 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 937 MB...27.67 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY IGOR WILL BEGIN AFFECTING THE LEEWARD
ISLANDS ON TUESDAY...AND WILL REACH PUERTO RICO AND THE VIRGIN
ISLANDS TUESDAY NIGHT 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...500 AM AST.
HURRICANE IGOR ADVISORY NUMBER 24
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 PM AST MON SEP 13 2010
...IGOR WEAKENS A LITTLE BUT STILL AN INTENSE CATEGORY 4
HURRICANE...
SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.7N 51.2W
ABOUT 785 MI...1260 KM E OF THE NORTHERN LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/HR
PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/HR
MINIMUM CENTRAL PRESSURE...937 MB...27.67 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM AST...0300 UTC...THE EYE OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 17.7 NORTH...LONGITUDE 51.2 WEST. IGOR IS MOVING
TOWARD THE WEST NEAR 9 MPH...15 KM/HR. THIS GENERAL SPEED WITH A
TURN TOWARD THE WEST-NORTHWEST IS EXPECTED ON TUESDAY...FOLLOWED BY
A TURN TOWARD THE NORTHWEST EARLY WEDNESDAY.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 140 MPH...220
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 POWERFUL 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 937 MB...27.67 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY IGOR WILL BEGIN AFFECTING THE LEEWARD
ISLANDS ON TUESDAY...AND WILL REACH PUERTO RICO AND THE VIRGIN
ISLANDS TUESDAY NIGHT 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...500 AM AST.