WTPA34 PHFO 170254
TCPCP4

BULLETIN
HURRICANE GUILLERMO ADVISORY NUMBER  20
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   EP102009
500 PM HST SUN AUG 16 2009

...GUILLERMO BARELY A HURRICANE AND CONTINUING TO WEAKEN...
 
AT 500 PM HST...0300 UTC...THE CENTER OF HURRICANE GUILLERMO WAS 
LOCATED NEAR LATITUDE 20.7 NORTH...LONGITUDE 141.4 WEST OR ABOUT 
890 MILES EAST OF HILO HAWAII.
 
GUILLERMO IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH. A 
GRADUAL TURN TOWARD THE NORTHWEST IS FORECAST DURING THE NEXT 
COUPLE OF DAYS...TAKING GUILLERMO ON A TRACK WELL TO THE NORTHEAST 
OF THE HAWAIIAN ISLANDS.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 75 MPH WITH HIGHER 
GUSTS. CONTINUED WEAKENING IS EXPECTED DURING THE NEXT COUPLE OF 
DAYS. GUILLERMO SHOULD WEAKEN TO A TROPICAL STORM LATER TONIGHT OR 
TOMORROW.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES FROM THE 
CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 
MILES.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 985 MB...29.09 INCHES.
 
...SUMMARY OF 500 PM HST INFORMATION...
LOCATION...20.7N 141.4W
MAXIMUM SUSTAINED WINDS...75 MPH
PRESENT MOVEMENT...WEST-NORTHWEST OR 285 DEGREES AT 15 MPH
MINIMUM CENTRAL PRESSURE...985 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE CENTRAL PACIFIC HURRICANE 
CENTER AT 1100 PM HST.
 
$$
FORECASTER KNABB