Post by NHC Olney Maryland on Sept 16, 2010 12:36:30 GMT -5
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 34...CORRECTED
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 AM AST THU SEP 16 2010
CORRECTED FOR MOTION IN HEADLINE
...LARGE AND POWERFUL IGOR MOVING SLOWLY NORTHWESTWARD...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...21.0N 57.2W
ABOUT 430 MI...690 KM ENE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 910 MI...1465 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 7 MPH...11 KM/HR
MINIMUM CENTRAL PRESSURE...934 MB...27.58 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 21.1 NORTH...LONGITUDE 57.2 WEST. IGOR IS MOVING
TOWARD THE NORTHWEST NEAR 7 MPH...11 KM/HR. THIS GENERAL MOTION WITH
AN INCREASE IN FORWARD SPEED ARE EXPECTED OVER THE NEXT COUPLE OF
DAYS.
MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH...220 KM/HR...WITH HIGHER
GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
SCALE. FLUCTUATIONS IN STRENGTH ARE LIKELY DURING THE NEXT COUPLE
OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A LARGE AND POWERFUL
HURRICANE.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 275
MILES...445 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 934 MB...27.58 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY IGOR WILL CONTINUE TO AFFECT THE
LEEWARD ISLANDS...PUERTO RICO AND THE VIRGIN ISLANDS TODAY AND
FRIDAY. THESE SWELLS WILL ALSO CAUSE DANGEROUS SURF CONDITIONS IN
BERMUDA DURING THE NEXT SEVERAL DAYS. THESE SURF CONDITIONS WILL
WORSEN AS IGOR APPROACHES BERMUDA. THE LARGE SWELLS ARE ALSO
EXPECTED TO REACH PORTIONS OF THE BAHAMAS LATER TODAY AND CONTINUE
THROUGH THE WEEKEND. SWELLS WILL REACH THE EAST COAST OF THE UNITED
STATES LATER TODAY AND FRIDAY THROUGH AT LEAST SUNDAY. 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 PM AST.
HURRICANE IGOR ADVISORY NUMBER 34...CORRECTED
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 AM AST THU SEP 16 2010
CORRECTED FOR MOTION IN HEADLINE
...LARGE AND POWERFUL IGOR MOVING SLOWLY NORTHWESTWARD...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...21.0N 57.2W
ABOUT 430 MI...690 KM ENE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 910 MI...1465 KM SSE OF BERMUDA
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/HR
PRESENT MOVEMENT...NW OR 305 DEGREES AT 7 MPH...11 KM/HR
MINIMUM CENTRAL PRESSURE...934 MB...27.58 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 AM AST...1500 UTC...THE CENTER OF HURRICANE IGOR WAS LOCATED
NEAR LATITUDE 21.1 NORTH...LONGITUDE 57.2 WEST. IGOR IS MOVING
TOWARD THE NORTHWEST NEAR 7 MPH...11 KM/HR. THIS GENERAL MOTION WITH
AN INCREASE IN FORWARD SPEED ARE EXPECTED OVER THE NEXT COUPLE OF
DAYS.
MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH...220 KM/HR...WITH HIGHER
GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
SCALE. FLUCTUATIONS IN STRENGTH ARE LIKELY DURING THE NEXT COUPLE
OF DAYS...BUT IGOR IS EXPECTED TO REMAIN A LARGE AND POWERFUL
HURRICANE.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 275
MILES...445 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 934 MB...27.58 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY IGOR WILL CONTINUE TO AFFECT THE
LEEWARD ISLANDS...PUERTO RICO AND THE VIRGIN ISLANDS TODAY AND
FRIDAY. THESE SWELLS WILL ALSO CAUSE DANGEROUS SURF CONDITIONS IN
BERMUDA DURING THE NEXT SEVERAL DAYS. THESE SURF CONDITIONS WILL
WORSEN AS IGOR APPROACHES BERMUDA. THE LARGE SWELLS ARE ALSO
EXPECTED TO REACH PORTIONS OF THE BAHAMAS LATER TODAY AND CONTINUE
THROUGH THE WEEKEND. SWELLS WILL REACH THE EAST COAST OF THE UNITED
STATES LATER TODAY AND FRIDAY THROUGH AT LEAST SUNDAY. 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 PM AST.