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Hurricane MARTY


ZCZC MIATCDEP3 ALL
TTAA00 KNHC DDHHMM
TROPICAL DEPRESSION MARTY DISCUSSION NUMBER  20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2 PM PDT TUE SEP 23 2003
 
SATELLITE IMAGERY SHOWS THAT THERE IS NO LONGER ANY DEEP CONVECTION
ASSOCIATED WITH MARTY AND THE LOW-LEVEL CENTER IS POORLY DEFINED.
MARTY IS DOWNGRADED TO A TROPICAL DEPRESSION AND ALL WARNINGS ARE
DISCONTINUED.
 
THE CENTER POSITION WAS LOCATED FROM THE YUMA RADAR WHICH SHOWS THE
NORTHERN HALF OF WHAT APPEARS TO BE A CIRCULATION CENTER LOCATED
OVER THE NORTHERN GULF OF CALIFORNIA.  AND EVEN THE RADAR
PRESENTATION WAS LOOKING SLOPPY BY 19Z.  THE INITIAL MOTION
ESTIMATE HAS SLOWED TO 330/03 AS SUGGESTED BY EARLIER GUIDANCE. 
THE LATEST GUIDANCE SHOWS THE DEPRESSION EMBEDDED IN WEAK STEERING
CURRENTS AND MEANDERING NEAR THE FAR NORTHERN GULF OF CALIFORNIA
UNTIL DISSIPATION IN A DAY OR SO...IF NOT SOONER.
 
SOME RAIN HAS SPREAD ACROSS THE BORDER INTO SOUTHERN ARIZONA AND UP
TO 4 INCHES IS POSSIBLE DURING THE NEXT DAY OR TWO OVER THE EXTREME
SOUTHERN PORTIONS OF THE SOUTHWESTERN UNITED STATES.
 
FORECASTER LAWRENCE
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      23/2100Z 30.1N 113.7W    30 KT
 12HR VT     24/0600Z 30.3N 113.8W    25 KT...DISSIPATING
 24HR VT     24/1800Z 30.5N 114.0W    20 KT...REMNANT LOW
 36HR VT     25/0600Z 30.5N 114.0W    20 KT...REMNANT LOW
 48HR VT     25/1800Z...DISSIPATED
 
 
NNNN


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Page last modified: Monday, 07-Feb-2005 16:49:59 UTC