WTPA34 PHFO 191447 TCPCP4 BULLETIN TROPICAL STORM GUILLERMO ADVISORY NUMBER 30 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP102009 500 AM HST WED AUG 19 2009 ...GUILLERMO PASSING FAR TO THE NORTH OF HAWAII AND HEADING NORTHWEST... AT 500 AM HST...1500 UTC...THE CENTER OF TROPICAL STORM GUILLERMO WAS LOCATED NEAR LATITUDE 30.1 NORTH...LONGITUDE 154.9 WEST...OR ABOUT 635 MILES NORTH-NORTHEAST OF HONOLULU HAWAII. GUILLERMO IS MOVING TOWARD THE NORTHWEST NEAR 18 MPH...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 48 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST TODAY...WITH SLOW WEAKENING EXPECTED THURSDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES TO THE NORTH OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1010 MB...29.83 INCHES. ...SUMMARY OF 500 AM HST INFORMATION... LOCATION...30.1N 154.9W MAXIMUM SUSTAINED WINDS...40 MPH PRESENT MOVEMENT...NORTHWEST OR 310 DEGREES AT 18 MPH MINIMUM CENTRAL PRESSURE...1010 MB THE NEXT ADVISORY WILL BE ISSUED BY THE CENTRAL PACIFIC HURRICANE CENTER AT 1100 AM HST. $$ FORECASTER R BALLARD