000
WTPZ34 KNHC 240839
TCPEP4
 
BULLETIN
HURRICANE HILARY ADVISORY NUMBER  13
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092011
200 AM PDT SAT SEP 24 2011
 
...HILARY WEAKENS A LITTLE AS IT CONTINUES MOVING WEST-NORTHWESTWARD
AWAY FROM THE COAST OF MEXICO...
 
 
SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...17.1N 105.2W
ABOUT 145 MI...230 KM SSW OF MANZANILLO MEXICO
MAXIMUM SUSTAINED WINDS...140 MPH...220 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...946 MB...27.94 INCHES
 
 
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 200 AM PDT...0900 UTC...THE EYE OF HURRICANE HILARY WAS LOCATED
NEAR LATITUDE 17.1 NORTH...LONGITUDE 105.2 WEST. HILARY IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H...AND A GENERAL
WEST-NORTHWESTWARD OR WESTWARD MOTION IS EXPECTED TO CONTINUE FOR
THE NEXT 48 HOURS. ON THE FORECAST TRACK...HILARY WILL CONTINUE
MOVING AWAY FROM THE COAST OF SOUTHWESTERN MEXICO.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 140 MPH...220 KM/H...
WITH HIGHER GUSTS. HILARY IS A CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN INTENSITY
ARE POSSIBLE OVER THE NEXT COUPLE OF DAYS...BUT HILARY SHOULD
REMAIN AN INTENSE HURRICANE DURING THAT TIME.
 
HILARY IS A VERY SMALL TROPICAL CYCLONE. HURRICANE FORCE WINDS
EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 946 MB...27.94 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
SURF...SWELLS GENERATED BY HILARY ARE AFFECTING PORTIONS OF THE
COAST OF SOUTHWESTERN MEXICO. THESE SWELLS ARE LIKELY CAUSING
LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS.
 
 
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...800 AM PDT.
 
$$
FORECASTER BRENNAN