ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM 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 NNNN
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