Post by NHC Olney Maryland on Sept 15, 2010 10:50:20 GMT -5
BULLETIN
HURRICANE IGOR ADVISORY NUMBER 30
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 AM AST WED SEP 15 2010
...IGOR WEAKENS A LITTLE FURTHER...STILL A LARGE AND POWERFUL
HURRICANE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...19.8N 55.0W
ABOUT 540 MI...870 KM ENE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 1055 MI...1700 KM SE OF BERMUDA
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 8 MPH...13 KM/HR
MINIMUM CENTRAL PRESSURE...942 MB...27.82 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 19.8 NORTH...LONGITUDE 55.0 WEST. IGOR IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 8 MPH...13 KM/HR. A GENERAL MOTION
TOWARD THE NORTHWEST WITH SOME INCREASE IN FORWARD SPEED IS
EXPECTED OVER THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 135 MPH...215
KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN
STRENGTH ARE POSSIBLE DURING THE NEXT OR TWO...BUT IGOR IS EXPECTED
TO REMAIN A DANGEROUS HURRICANE.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 225
MILES...360 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 942 MB...27.82 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY IGOR WILL AFFECT THE LEEWARD
ISLANDS...PUERTO RICO AND THE VIRGIN ISLANDS TODAY AND THURSDAY.
THE SWELLS ARE EXPECTED TO REACH PORTIONS OF THE BAHAMAS TONIGHT
AND THURSDAY AND CONTINUE THROUGH THE WEEKEND. SWELLS ASSOCIATED
WITH IGOR WILL ALSO REACH THE EAST COAST OF THE UNITED STATES
THURSDAY AND FRIDAY AND CONTINUE OVER THE WEEKEND. 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 30
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 AM AST WED SEP 15 2010
...IGOR WEAKENS A LITTLE FURTHER...STILL A LARGE AND POWERFUL
HURRICANE...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...19.8N 55.0W
ABOUT 540 MI...870 KM ENE OF THE NORTHERN LEEWARD ISLANDS
ABOUT 1055 MI...1700 KM SE OF BERMUDA
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 8 MPH...13 KM/HR
MINIMUM CENTRAL PRESSURE...942 MB...27.82 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 19.8 NORTH...LONGITUDE 55.0 WEST. IGOR IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 8 MPH...13 KM/HR. A GENERAL MOTION
TOWARD THE NORTHWEST WITH SOME INCREASE IN FORWARD SPEED IS
EXPECTED OVER THE NEXT COUPLE OF DAYS.
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 135 MPH...215
KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN
STRENGTH ARE POSSIBLE DURING THE NEXT OR TWO...BUT IGOR IS EXPECTED
TO REMAIN A DANGEROUS HURRICANE.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 225
MILES...360 KM.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 942 MB...27.82 INCHES.
HAZARDS AFFECTING LAND
----------------------
SURF...LARGE SWELLS GENERATED BY IGOR WILL AFFECT THE LEEWARD
ISLANDS...PUERTO RICO AND THE VIRGIN ISLANDS TODAY AND THURSDAY.
THE SWELLS ARE EXPECTED TO REACH PORTIONS OF THE BAHAMAS TONIGHT
AND THURSDAY AND CONTINUE THROUGH THE WEEKEND. SWELLS ASSOCIATED
WITH IGOR WILL ALSO REACH THE EAST COAST OF THE UNITED STATES
THURSDAY AND FRIDAY AND CONTINUE OVER THE WEEKEND. 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.