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NOAA NOAA United States Department of Commerce

Hurricane HILARY


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BULLETIN
HURRICANE HILARY ADVISORY NUMBER  23
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092011
200 PM PDT MON SEP 26 2011
 
...HILARY STRENGTHENS TO A CATEGORY FOUR HURRICANE AGAIN...
 
 
SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION
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LOCATION...16.6N 114.0W
ABOUT 130 MI...210 KM SSE OF CLARION ISLAND
ABOUT 510 MI...820 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/H
PRESENT MOVEMENT...W OR 265 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...949 MB...28.02 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 PM PDT...2100 UTC...THE EYE OF HURRICANE HILARY WAS LOCATED
NEAR LATITUDE 16.6 NORTH...LONGITUDE 114.0 WEST. HILARY IS MOVING
TOWARD THE WEST NEAR 10 MPH...17 KM/H. THIS GENERAL TRACK IS
EXPECTED TO CONTINUE FOR THE NEXT DAY OR SO WITH A DECREASE IN
FORWARD SPEED. A TURN TOWARD THE NORTHWEST IS EXPECTED BY TUESDAY 
NIGHT...FOLLOWED BY A TURN TOWARD THE NORTH ON WEDNESDAY.
 
SATELLITE IMAGERY INDICATES THAT MAXIMUM SUSTAINED WINDS HAVE
INCREASED TO NEAR 135 MPH...215 KM/H...WITH HIGHER GUSTS. HILARY IS
A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND
SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT
DAY OR SO...BUT OVERALL GRADUAL WEAKENING IS EXPECTED DURING THE
NEXT 48 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 949 MB...28.02 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY HILARY ARE AFFECTING PORTIONS OF THE
COAST OF SOUTHWESTERN MEXICO AND SOUTHERN BAJA CALIFORNIA. THESE
SWELLS ARE LIKELY CAUSING LIFE-THREATENING SURF AND RIP CURRENT
CONDITIONS.
 
 
NEXT ADVISORY
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NEXT COMPLETE ADVISORY...800 PM PDT.
 
$$
FORECASTER BRENNAN
 
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