WTPA34 PHFO 170845
TCPCP4

BULLETIN
TROPICAL STORM GUILLERMO ADVISORY NUMBER  21
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP102009
1100 PM HST SUN AUG 16 2009

...GUILLERMO WEAKENS TO A TROPICAL STORM...
 
AT 1100 PM HST...0900 UTC...THE CENTER OF TROPICAL STORM 
GUILLERMO WAS LOCATED NEAR LATITUDE 20.8 NORTH...LONGITUDE 142.6 
WEST OR ABOUT 815 MILES EAST OF HILO HAWAII.
 
GUILLERMO IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH. 
GUILLERMO WILL GRADUALLY TURN TO A NORTHWEST TRACK OVER THE NEXT 48 
HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH WITH HIGHER GUSTS. THE 
STORM WILL CONTINUE WEAKENING OVER THE NEXT 48 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES FROM THE 
CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES.
  
...SUMMARY OF 1100 PM HST INFORMATION...
LOCATION...20.8N 142.6W
MAXIMUM SUSTAINED WINDS...70 MPH
PRESENT MOVEMENT...WEST-NORTHWEST OR 285 DEGREES AT 15 MPH
MINIMUM CENTRAL PRESSURE...990 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE CENTRAL PACIFIC HURRICANE 
CENTER AT 500 AM HST.
 
$$
FORECASTER DONALDSON