Tropical Storm RICK

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BULLETIN
TROPICAL STORM RICK ADVISORY NUMBER  23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP202009
800 PM PDT TUE OCT 20 2009
 
...RAINS FROM RICK ALREADY AFFECTING 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 MEANS THAT
TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING
AREA WITHIN 24 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 800 PM PDT...0300 UTC...THE CENTER OF TROPICAL STORM RICK WAS
LOCATED NEAR LATITUDE 20.9 NORTH...LONGITUDE 109.2 WEST OR ABOUT
145 MILES...235 KM...SOUTH-SOUTHEAST OF CABO SAN LUCAS MEXICO AND
ABOUT 240 MILES...385 KM...SOUTHWEST OF MAZATLAN MEXICO.
 
RICK IS MOVING TOWARD THE NORTHEAST NEAR 12 MPH...19 KM/HR...AND
THIS GENERAL MOTION WITH AN INCREASE IN FORWARD SPEED IS EXPECTED
THROUGH LANDFALL.  ON THE FORECAST TRACK...RICK IS EXPECTED TO
REMAIN SOUTH OF BAJA CALIFORNIA AND IMPACT MAINLAND MEXICO ON
WEDNESDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER
GUSTS.  LITTLE CHANGE IN STRENGTH IS ANTICIPATED UNTIL LANDFALL...
AND A RAPID WEAKENING IS EXPECTED AFTER LANDFALL.  
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM
FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 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 DURING THE NEXT DAY OR SO...CAUSING POTENTIALLY DANGEROUS
SURF CONDITIONS.
 
...SUMMARY OF 800 PM PDT INFORMATION...
LOCATION...20.9N 109.2W
MAXIMUM SUSTAINED WINDS...65 MPH
PRESENT MOVEMENT...NORTHEAST OR 50 DEGREES AT 12 MPH
MINIMUM CENTRAL PRESSURE...990 MB
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 1100 PM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 200
AM PDT.
 
$$
FORECASTER BLAKE/BROWN
 
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