Hurricane HILARY

ZCZC MIATCPEP4 ALL
TTAA00 KNHC DDHHMM
 
BULLETIN
HURRICANE HILARY INTERMEDIATE ADVISORY NUMBER   9A
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP092011
500 AM PDT FRI SEP 23 2011
 
...CATEGORY FOUR HURRICANE HILARY MOVING AWAY FROM THE SOUTHWESTERN
COAST OF MEXICO...
 
 
SUMMARY OF 500 AM PDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...15.9N 102.1W
ABOUT 125 MI...200 KM SSW OF ZIHUATANEJO MEXICO
MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 10 MPH...16 KM/H
MINIMUM CENTRAL PRESSURE...944 MB...27.88 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* WEST OF ACAPULCO MEXICO WESTWARD TO PUNTA SAN TELMO
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* WEST OF PUNTA SAN TELMO TO MANZANILLO
 
THE TROPICAL STORM WATCH AND WARNING COULD BE DISCONTINUED LATER
THIS MORNING.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM PDT...1200 UTC...THE EYE OF HURRICANE HILARY WAS LOCATED
NEAR LATITUDE 15.9 NORTH...LONGITUDE 102.1 WEST. HILARY IS MOVING
WESTWARD NEAR 10 MPH...16 KM/H. A WESTWARD OR WEST-NORTHWESTWARD
MOTION IS EXPECTED DURING THE NEXT COUPLE OF DAYS. ON THE FORECAST
TRACK...THE CORE OF HILARY SHOULD CONTINUE MOVING FARTHER OFFSHORE
OF THE SOUTHWESTERN COAST OF MEXICO TODAY.
 
MAXIMUM SUSTAINED WINDS ARE ESTIMATED TO BE NEAR 145 MPH...235
KM/H...WITH HIGHER GUSTS. HILARY IS A CATEGORY FOUR HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATIONS IN
STRENGTH ARE LIKELY TODAY...FOLLOWED BY SLOW WEAKENING BY SATURDAY.
 
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 80
MILES...130 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 944 MB...27.88 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL-STORM-FORCE WINDS...PRIMARILY IN GUSTS...ARE
AFFECTING PORTIONS OF THE COAST WITHIN THE WARNING AREA. THESE
WINDS COULD SPREAD WESTWARD ALONG THE COAST DURING THE NEXT 24 TO
36 HOURS.
 
RAINFALL...HILARY IS EXPECTED TO PRODUCE RAINFALL AMOUNTS OF 3 TO 5
INCHES ACROSS SOUTHERN GUERRERO AND SOUTHERN MICHOACAN IN SOUTHERN
MEXICO WITH ISOLATED AMOUNTS OF 10 INCHES POSSIBLE.
 
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 LANDSEA/STEWART
 
NNNN