ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE GUILLERMO SPECIAL ADVISORY NUMBER 12 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP102009 1030 PM PDT FRI AUG 14 2009 ...GUILLERMO RAPIDLY INTENSIFIES...NOW A MAJOR HURRICANE... AT 1030 PM PDT...0530 UTC...THE CENTER OF HURRICANE GUILLERMO WAS LOCATED NEAR LATITUDE 18.4 NORTH...LONGITUDE 130.8 WEST OR ABOUT 1385 MILES...2230 KM...WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA. GUILLERMO IS MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/HR ...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 48 HOURS. SATELLITE IMAGERY INDICATES THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 115 MPH...185 KM/HR...WITH HIGHER GUSTS. SLOW WEAKENING IS FORECAST TO BEGIN SATURDAY AS GUILLERMO MOVES OVER COOLER WATERS. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 120 MILES...195 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES. ...SUMMARY OF 1030 PM PDT INFORMATION... LOCATION...18.4N 130.8W MAXIMUM SUSTAINED WINDS...115 MPH PRESENT MOVEMENT...WEST-NORTHWEST OR 285 DEGREES AT 16 MPH MINIMUM CENTRAL PRESSURE...960 MB THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 AM PDT. $$ FORECASTER BRENNAN NNNN
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