Post by NHC Olney Maryland on Sept 11, 2010 11:53:57 GMT -5
BULLETIN
TROPICAL STORM IGOR ADVISORY NUMBER 13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 AM AST SAT SEP 11 2010
...IGOR EXPECTED TO BECOME A HURRICANE BY TONIGHT...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.4N 39.5W
ABOUT 1030 MI...1660 KM W OF THE CAPE VERDE ISLANDS
ABOUT 1470 MI...2365 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR
PRESENT MOVEMENT...W OR 275 DEGREES AT 20 MPH...32 KM/HR
MINIMUM CENTRAL PRESSURE...995 MB...29.38 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 TROPICAL STORM IGOR WAS
LOCATED NEAR LATITUDE 17.4 NORTH...LONGITUDE 39.5 WEST. IGOR IS
MOVING TOWARD THE WEST NEAR 20 MPH...32 KM/HR...AND THIS GENERAL
MOTION WITH SOME DECREASE IN FORWARD SPEED IS EXPECTED FOR THE NEXT
48 HOURS.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND
IGOR IS EXPECTED TO BECOME A HURRICANE THIS WEEKEND.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM
FROM THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB...29.38 INCHES.
HAZARDS AFFECTING LAND
----------------------
NONE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM AST.
TROPICAL STORM IGOR ADVISORY NUMBER 13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL112010
1100 AM AST SAT SEP 11 2010
...IGOR EXPECTED TO BECOME A HURRICANE BY TONIGHT...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.4N 39.5W
ABOUT 1030 MI...1660 KM W OF THE CAPE VERDE ISLANDS
ABOUT 1470 MI...2365 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR
PRESENT MOVEMENT...W OR 275 DEGREES AT 20 MPH...32 KM/HR
MINIMUM CENTRAL PRESSURE...995 MB...29.38 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 TROPICAL STORM IGOR WAS
LOCATED NEAR LATITUDE 17.4 NORTH...LONGITUDE 39.5 WEST. IGOR IS
MOVING TOWARD THE WEST NEAR 20 MPH...32 KM/HR...AND THIS GENERAL
MOTION WITH SOME DECREASE IN FORWARD SPEED IS EXPECTED FOR THE NEXT
48 HOURS.
MAXIMUM SUSTAINED WINDS REMAIN NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND
IGOR IS EXPECTED TO BECOME A HURRICANE THIS WEEKEND.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM
FROM THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB...29.38 INCHES.
HAZARDS AFFECTING LAND
----------------------
NONE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...500 PM AST.