000
WTPZ35 KNHC 202350
TCPEP5
BULLETIN
TROPICAL STORM RICK INTERMEDIATE ADVISORY NUMBER  22A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP202009
500 PM PDT TUE OCT 20 2009
 
...RICK CONTINUES MOVING NORTHEASTWARD...
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR MAINLAND MEXICO FROM
SAN BLAS TO ALTATA...FOR THE WEST COAST OF SOUTHERN BAJA CALIFORNIA
FROM AGUA BLANCA SOUTHWARD...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 500 PM PDT...0000 UTC...THE CENTER OF TROPICAL STORM RICK WAS
LOCATED NEAR LATITUDE 20.6 NORTH...LONGITUDE 109.7 WEST OR ABOUT 165
MILES...265 KM...SOUTH OF CABO SAN LUCAS MEXICO AND ABOUT 275 MILES
...445 KM...SOUTHWEST OF MAZATLAN MEXICO.
 
RICK IS MOVING TOWARD THE NORTHEAST NEAR 9 MPH...15 KM/HR...AND THIS
MOTION WITH AN INCREASE IN FORWARD SPEED IS EXPECTED LATER TODAY AND
WEDNESDAY.  ON THIS TRACK...THE CENTER OF RICK IS EXPECTED TO PASS
TO THE SOUTH OF THE SOUTHERN TIP OF BAJA CALIFORNIA TONIGHT OR EARLY
WEDNESDAY...AND APPROACH THE WESTERN COAST OF MAINLAND MEXICO ON
WEDNESDAY.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER
GUSTS.  ONLY A SLIGHT WEAKENING IS FORECAST PRIOR TO 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.
 
MOISTURE ASSOCIATED WITH RICK IS 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 500 PM PDT INFORMATION...
LOCATION...20.6N 109.7W
MAXIMUM SUSTAINED WINDS...65 MPH
PRESENT MOVEMENT...NORTHEAST OR 45 DEGREES AT 9 MPH
MINIMUM CENTRAL PRESSURE...990 MB
  
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
800 PM PDT.
 
$$
FORECASTER BLAKE/BROWN