000
WTPZ35 KNHC 211137
TCPEP5
BULLETIN
TROPICAL STORM RICK INTERMEDIATE ADVISORY NUMBER  24A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP202009
500 AM PDT WED OCT 21 2009
 
...RICK WEAKENING FAST AS IT NEARS THE WEST COAST OF MEXICO....
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE MEXICAN MAINLAND
FROM SAN BLAS TO ALTATA.  A TROPICAL STORM WARNING IS ALSO IN EFFECT
FOR SOUTHERN BAJA CALIFORNIA FROM AGUA BLANCA SOUTHWARD ON THE WEST
COAST...AND FOR THE EAST COAST FROM BUENA VISTA SOUTHWARD...
INCLUDING CABO SAN LUCAS. A TROPICAL STORM WARNING...IN THIS CASE...
MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE IN THE
WARNING AREA WITHIN 12 HOURS.
 
INTERESTS ELSEWHERE IN WESTERN MAINLAND MEXICO SHOULD CONTINUE TO
MONITOR THE PROGRESS OF RICK.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
AT 500 AM PDT...1200 UTC..THE CENTER OF TROPICAL STORM RICK WAS
ESTIMATED NEAR LATITUDE 22.3 NORTH...LONGITUDE 107.5 WEST OR ABOUT 
90 MILES...145 KM...SOUTHWEST OF MAZATLAN MEXICO.
 
RICK HAS INCREASED IN FORWARD SPEED AND IS NOW MOVING TOWARD THE
NORTHEAST NEAR 16 MPH...26 KM/HR. THIS GENERAL MOTION IS EXPECTED
TO CONTINUE TODAY.  ON THE FORECAST TRACK...THE CENTER OF RICK WILL
BE VERY NEAR THE COAST OF WEST-CENTRAL MAINLAND MEXICO THIS MORNING.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 55 MPH...90 KM/HR...
WITH HIGHER GUSTS.  ADDITIONAL WEAKENING IS EXPECTED TODAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240 KM
FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES.
 
RAINFALL ACCUMULATIONS OF 4 TO 6 INCHES ARE EXPECTED OVER THE STATES
OF SINALOA AND DURANGO IN WEST-CENTRAL MEXICO...WITH ISOLATED
AMOUNTS OF 10 INCHES POSSIBLE. THESE RAINS COULD PRODUCE LIFE-
THREATENING FLASH FLOODS AND MUD SLIDES. RAINFALL AMOUNTS OF 2 TO 3
INCHES ARE POSSIBLE OVER EXTREME SOUTHERN BAJA CALIFORNIA.
 
LARGE SWELLS GENERATED BY RICK WILL CONTINUE TO AFFECT PORTIONS OF
THE SOUTHERN BAJA CALIFORNIA COAST AND THE WEST-CENTRAL COAST OF
MEXICO TODAY...CAUSING POTENTIALLY DANGEROUS SURF CONDITIONS. THESE
CONDITIONS WILL GRADUALLY SUBSIDE LATER TODAY.
 
...SUMMARY OF 500 AM PDT INFORMATION...
LOCATION...22.3N 107.5W
MAXIMUM SUSTAINED WINDS...55 MPH
PRESENT MOVEMENT...NORTHEAST OR 50 DEGREES AT 16 MPH
MINIMUM CENTRAL PRESSURE...994 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
800 AM PDT.
 
$$
FORECASTER AVILA/CANGIALOSI