000
WTPZ35 KNHC 200847
TCPEP5
BULLETIN
TROPICAL STORM RICK ADVISORY NUMBER  20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP202009
200 AM PDT TUE OCT 20 2009

...RICK GRADUALLY WEAKENING...NOW MOVING SLOWLY NORTH-NORTHEAST...
 
AT 2 AM PDT...0900 UTC...THE GOVERNMENT OF MEXICO HAS ISSUED A
TROPICAL STORM WARNING FOR SOUTHERN BAJA CALIFORNIA FROM AGUA BLANCA
ON THE WEST COAST SOUTHWARD AND FROM BUENA VISTA SOUTHWARD ON THE
EAST COAST...INCLUDING CABO SAN LUCAS.  A TROPICAL STORM WARNING
MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN
THE WARNING AREA WITHIN 24 HOURS.
 
AT 2 AM PDT...0900 UTC...THE GOVERNMENT OF MEXICO HAS ISSUED A
TROPICAL STORM WATCH FOR THE COAST OF MAINLAND MEXICO FROM EL
ROBLITO NORTHWARD THROUGH ALTATA.  A TROPICAL STORM WATCH ALSO
REMAINS IN EFFECT FOR THE EAST COAST OF SOUTHERN BAJA CALIFORNIA
NORTH OF BUENA VISTA TO LA PAZ.  A TROPICAL STORM WATCH MEANS THAT
TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.
 
INTERESTS ELSEWHERE IN SOUTHERN BAJA CALIFORNIA AND WESTERN MAINLAND
MEXICO SHOULD CONTINUE TO MONITOR THE PROGRESS OF RICK.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE OF THE UNITED
STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.
 
AT 200 AM PDT...0900 UTC...THE CENTER OF TROPICAL STORM RICK WAS
LOCATED NEAR LATITUDE 19.4 NORTH...LONGITUDE 111.5 WEST OR ABOUT
265 MILES...425 KM...SOUTH-SOUTHWEST OF CABO SAN LUCAS MEXICO AND
ABOUT 55 MILES... 85 KM...NORTHWEST OF SOCORRO ISLAND.
 
RICK IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 6 MPH...9 KM/HR. A
TURN TOWARD THE NORTHEAST WITH AN INCREASE IN FORWARD SPEED IS
EXPECTED LATER TODAY AND WEDNESDAY.  ON THIS TRACK...THE CENTER
OF RICK IS EXPECTED TO PASS NEAR OR JUST SOUTHEAST OF THE SOUTHERN
TIP OF BAJA CALIFORNIA EARLY WEDNESDAY...AND APPROACH THE WESTERN
COAST OF MAINLAND MEXICO ON WEDNESDAY.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 65 MPH...100 KM/HR...
WITH HIGHER GUSTS.  STRONG UPPER-LEVEL WINDS SHOULD CAUSE
ADDITIONAL WEAKENING DURING THE NEXT DAY OR TWO.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 165 MILES...270 KM
FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES.
 
MOISTURE ASSOCIATED WITH RICK IS ALREADY SPREADING ACROSS PORTIONS
OF SOUTHERN BAJA CALIFORNIA AND NORTHWESTERN MEXICO.  TOTAL
RAINFALL ACCUMULATIONS OF 4 TO 6 INCHES...WITH ISOLATED AMOUNTS OF
10 INCHES...ARE POSSIBLE OVER EXTREME SOUTHERN BAJA CALIFORNIA AS
WELL AS THE STATES OF SINALOA AND DURANGO IN WEST-CENTRAL MEXICO
DURING THE NEXT FEW DAYS.  THESE RAINS COULD PRODUCE LIFE-
THREATENING FLASH FLOODS AND MUD SLIDES.

LARGE SWELLS GENERATED BY RICK WILL CONTINUE TO AFFECT PORTIONS OF
THE SOUTHERN BAJA CALIFORNIA COAST AND THE WEST-CENTRAL COAST OF
MEXICO DURING THE NEXT COUPLE OF DAYS...CAUSING POTENTIALLY
DANGEROUS SURF CONDITIONS.
 
...SUMMARY OF 200 AM PDT INFORMATION...
LOCATION...19.4N 111.5W
MAXIMUM SUSTAINED WINDS...65 MPH
PRESENT MOVEMENT...NORTH-NORTHEAST OR 20 DEGREES AT 6 MPH
MINIMUM CENTRAL PRESSURE...991 MB
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 500 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 800
AM PDT.
 
$$
FORECASTER KIMBERLAIN/BEVEN