Tropical Depression DALILA

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TROPICAL DEPRESSION DALILA DISCUSSION NUMBER  23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP072007
800 AM PDT FRI JUL 27 2007
 
ENHANCED INFRARED SATELLITE IMAGERY AND AN EARLIER AMSU-B MICROWAVE
OVERPASS SUGGEST THAT DALILA HAS BEEN DEVOID OF DEEP CONVECTION FOR
AT LEAST 12 HOURS.  NO INTERMITTENT CONVECTIVE BURSTS HAVE
MATERIALIZED SINCE LAST NIGHT'S QUIKSCAT OVERPASS...WHICH DEPICTED
A VERY SMALL PATCH OF 30 KT WINDS OVER THE NORTHWEST QUADRANT. 
ASSUMING A GRADUAL SPINDOWN OF THE VORTEX SINCE THAT PASS...THE
INITIAL INTENSITY IS LOWERED TO 25 KT.  THE SYSTEM IS EXPECTED TO
CONTINUE WEAKENING AS A REMNANT LOW OVER THE NEXT COUPLE OF DAYS.

THE INITIAL MOTION IS ESTIMATED AT 290/9.  DALILA SHOULD CONTINUE
THROUGH THE FORECAST PERIOD ON A GENERALLY WEST-NORTHWESTWARD
MOTION WITHIN THE EASTERLY FLOW OF A LOW TO MID TROPOSPHERIC HIGH
SITUATED TO THE NORTH-NORTHWEST. 

THIS IS THE LAST ADVISORY ISSUED ON TROPICAL DEPRESSION DALILA.  FOR
ADDITIONAL INFORMATION ON THE REMNANT LOW PLEASE SEE HIGH SEAS
FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS
HEADER NFDHSFEP1 AND WMO HEADER FZPN02 KWBC.
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      27/1500Z 23.1N 117.9W    25 KT
 12HR VT     28/0000Z 23.6N 119.3W    25 KT...REMNANT LOW
 24HR VT     28/1200Z 24.0N 120.9W    20 KT...REMNANT LOW
 36HR VT     29/0000Z 24.2N 122.6W    20 KT...REMNANT LOW
 48HR VT     29/1200Z 24.2N 124.3W    20 KT...REMNANT LOW
 72HR VT     30/1200Z...DISSIPATED
 
$$
FORECASTER ROBERTS/PASCH
 
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