000
WTPZ35 KNHC 150832
TCPEP5
BULLETIN
HURRICANE GUILLERMO ADVISORY NUMBER  13
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP102009
200 AM PDT SAT AUG 15 2009
 
...MAJOR HURRICANE GUILLERMO MOVING WEST-NORTHWESTWARD...EXPECTED TO
BEGIN WEAKENING LATER TODAY...

AT 200 AM PDT...0900 UTC...THE CENTER OF HURRICANE GUILLERMO WAS
LOCATED NEAR LATITUDE 18.7 NORTH...LONGITUDE 131.9 WEST OR ABOUT
1450 MILES...2330 KM...WEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA.
 
GUILLERMO IS MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26
KM/HR. THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 48
HOURS...WITH A SLIGHT DECREASE IN FORWARD SPEED EXPECTED ON SUNDAY. 
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR 115 MPH...185 KM/HR...WITH
HIGHER GUSTS. SLOW WEAKENING IS EXPECTED TO BEGIN LATER TODAY...
WITH ADDITIONAL WEAKENING EXPECTED ON SUNDAY AS GUILLERMO MOVES
OVER COOLER WATERS. 
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES.
 
...SUMMARY OF 200 AM PDT INFORMATION...
LOCATION...18.7N 131.9W
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
800 AM PDT.
 
$$
FORECASTER BRENNAN