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TROPICAL STORM ISIS INTERMEDIATE ADVISORY NUMBER 1A
NATIONAL WEATHER SERVICE MIAMI FL
5 PM PDT TUE SEP 01 1998
 
TROPICAL STORM ISIS THREATENING SOUTHERN PORTION OF BAJA CALIFORNIA

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE SOUTHERN BAJA
CALIFORNIA PENINSULA...SOUTH OF A LINE FROM PUERTO CORTEZ ON THE
WEST COAST TO DOLORES ON THE EAST COAST...ROUGHLY ALONG LATITUDE
25N.
 
AT 5 PM PDT THE CENTER OF TROPICAL STORM ISIS WAS LOCATED NEAR
LATITUDE 20.8 NORTH...LONGITUDE 109.5 WEST OR ABOUT 150 MILES...235
KM...SOUTH OF CABO SAN LUCAS ON THE SOUTHERN TIP OF BAJA CALIFORNIA.
 
ISIS IS MOVING TOWARD THE NORTH NEAR  9 MPH...15 KM/HR...AND THIS
MOTION IS EXPECTED TO CONTINUE INTO WEDNESDAY.  ON THIS TRACK...
TROPICAL STORM FORCE WINDS WILL SOON BEGIN SPREADING OVER THE
WARNING AREA.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  50 MPH... 85 KM/HR...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370
KM...MAINLY SOUTH OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS  995 MB...29.38 INCHES.

RAINFALL TOTALS OF 5 TO 10 INCHES ARE POSSIBLE IN THE WARNING AREA
AND PORTIONS OF MAINLAND MEXICO TO THE EAST AND SOUTHEAST...AND
COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.
 
REPEATING THE 5 PM PDT POSITION...20.8 N...109.5 W.  MOVEMENT
TOWARD...NORTH NEAR  9 MPH.  MAXIMUM SUSTAINED WINDS... 50 MPH. 
MINIMUM CENTRAL PRESSURE... 995 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
8 PM PDT.
 
MAYFIELD
 
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