000 WTPZ34 KNHC 231452 TCPEP4 BULLETIN HURRICANE HILARY ADVISORY NUMBER 10 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092011 800 AM PDT FRI SEP 23 2011 ...TROPICAL STORM WARNING DISCONTINUED FOR MEXICO AS HILARY MOVES AWAY FROM THE COAST... SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...16.1N 102.5W ABOUT 135 MI...215 KM S OF LAZARO CARDENAS MEXICO MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...944 MB...27.88 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE TROPICAL STORM WARNING AND TROPICAL STORM WATCH PREVIOUSLY IN PLACE FOR PORTIONS OF THE MEXICAN COAST HAVE BEEN DISCONTINUED BY THE GOVERNMENT OF MEXICO. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... NONE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM PDT...1500 UTC...THE EYE OF HURRICANE HILARY WAS LOCATED NEAR LATITUDE 16.1 NORTH...LONGITUDE 102.5 WEST. HILARY IS MOVING TOWARD THE WEST NEAR 9 MPH...15 KM/H...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT TWO 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 NEAR 145 MPH...230 KM/H...WITH HIGHER GUSTS. HILARY IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. THE CYCLONE IS EXPECTED TO REMAIN A MAJOR HURRICANE DURING THE NEXT TWO DAYS. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 944 MB...27.88 INCHES. HAZARDS AFFECTING LAND ---------------------- 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...200 PM PDT. $$ FORECASTER LANDSEA/STEWART