Tropical Storm BLANCA

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TROPICAL DEPRESSION BLANCA DISCUSSION NUMBER  18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2 AM PDT SAT JUN 21 2003
 
BLANCA CONSISTS OF A SHAPELESS AREA OF WEAK CONVECTION BUT STILL HAS
A SURFACE CIRCULATION AS INDICATED BY THE LATEST QUIKSCAT. THE
DEPRESSION IS EMBEDDED WITHIN AN UNFAVORABLE SHEARING ENVIRONMENT
SO DISSIPATION IS EXPECTED IN 12 HOURS OR SO. SOME PATCHES OF 
INTERMITTENT CONVECTION MAY STILL DEVELOP. 

THE CIRCULATION IS DRIFTING WESTWARD AND IS EXPECTED TO CONTINUE
MOVING VERY SLOWLY TOWARD THE WEST UNTIL DISSIPATION.
 
FORECASTER AVILA
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      21/0900Z 15.3N 106.8W    25 KT
 12HR VT     21/1800Z 15.3N 107.0W    25 KT...DISSIPATING
 24HR VT     22/0600Z 15.3N 107.5W    20 KT...REMNANT LOW
 36HR VT     22/1800Z 15.5N 108.0W    20 KT...REMNANT LOW
 
 
 
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