Tropical Depression FRANK

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TROPICAL DEPRESSION FRANK DISCUSSION NUMBER  28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP092010
800 AM PDT SAT AUG 28 2010
 
FRANK HAS BEEN VOID OF DEEP CONVECTION FOR ABOUT 12 HOURS...AND WHAT
REMAINS IS A WELL-DEFINED SWIRL OF LOW-LEVEL CLOUDS.  BASED ON THE
LACK OF DEEP CONVECTION FOR A WHILE NOW...FRANK NO LONGER QUALIFIES
AS A TROPICAL CYCLONE AND IS BEING DECLARED A REMNANT LOW ON THIS
ADVISORY.  HOWEVER...THE REMNANT LOW-LEVEL CIRCULATION STILL
APPEARS VIGOROUS...AND THUS THE INITIAL INTENSITY ESTIMATE IS ONLY
LOWERED TO 30 KT.
 
THE INITIAL MOTION ESTIMATE IS 010/6...TO THE EAST AND A BIT FASTER
THAN PREVIOUSLY.  A WEAK LOW-LEVEL SOUTHWESTERLY FLOW SHOULD STEER
THE SHALLOW REMNANT LOW OF FRANK NORTH-NORTHEAST AND THEN NORTHEAST
WITH A GRADUAL DECREASE IN FORWARD SPEED UNTIL DISSIPATION IN A DAY
OR TWO.
 
  
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      28/1500Z 20.8N 112.3W    30 KT...POST-TROP/REMNT LOW
 12HR VT     29/0000Z 21.3N 112.2W    25 KT...POST-TROP/REMNT LOW
 24HR VT     29/1200Z 21.7N 112.0W    20 KT...POST-TROP/REMNT LOW
 36HR VT     30/0000Z 21.9N 111.7W    20 KT...POST-TROP/REMNT LOW
 48HR VT     30/1200Z...DISSIPATED
 
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FORECASTER KIMBERLAIN
 
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