000
WTPZ32 KNHC 222341
TCPEP2
BULLETIN
TROPICAL STORM IVO INTERMEDIATE ADVISORY NUMBER  18A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP122007
500 PM PDT SAT SEP 22 2007
 
...IVO ON A WEAKENING TREND...

A TROPICAL STORM WATCH REMAINS IN EFFECT ALONG THE WEST COAST OF THE
EXTREME SOUTHERN BAJA CALIFORNIA PENINSULA FROM SANTA FE SOUTHWARD
TO CABO SAN LUCAS.  A TROPICAL STORM WATCH MEANS THAT TROPICAL
STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY
WITHIN 36 HOURS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 500 PM PDT...0000Z...THE CENTER OF TROPICAL STORM IVO WAS LOCATED
NEAR LATITUDE 21.9 NORTH...LONGITUDE 112.2 WEST OR ABOUT 160 MILES
...255 KM...WEST-SOUTHWEST OF THE SOUTHERN TIP OF BAJA CALIFORNIA.
 
IVO APPEARS TO BE MOVING TOWARD THE NORTHEAST NEAR 5 MPH...7
KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE
NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 50 MPH...85
KM/HR...WITH HIGHER GUSTS.  IVO IS EXPECTED TO GRADUALLY WEAKEN
DURING THE NEXT 24 HOURS AS IT APPROACHES BAJA CALIFORNIA.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM
FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 999 MB...29.50 INCHES.
 
RAINFALL TOTALS OF 1 TO 3 INCHES ARE EXPECTED OVER THE SOUTHERN BAJA
PENINSULA WITH ISOLATED AMOUNTS OF 5 INCHES POSSIBLE.  THESE RAINS
COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.

REPEATING THE 500 PM PDT POSITION...21.9 N...112.2 W.  MOVEMENT
TOWARD...NORTHEAST NEAR 5 MPH.  MAXIMUM SUSTAINED WINDS...50 MPH. 
MINIMUM CENTRAL PRESSURE...999 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
800 PM PDT.
 
$$
FORECASTER BLAKE/AVILA