Tropical Depression ALBERTO

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TROPICAL DEPRESSION ALBERTO DISCUSSION NUMBER  18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL012006
1100 AM EDT WED JUN 14 2006
 
LATEST SURFACE OBSERVATIONS AND VISIBLE SATELLITE IMAGERY INDICATE
THAT THE CIRCULATION ASSOCIATED WITH ALBERTO IS BECOMING ELONGATED. 
ADDITIONALLY...SURFACE ANALYSES INDICATE MORE THAN 5 DEGREE C
TEMPERATURE GRADIENT HAS FORMED ACROSS THE CENTER.  THESE ARE BOTH
EARMARKS OF THE TRANSITION TO AN EXTRATROPICAL CYCLONE. 
ACCORDINGLY...THIS WILL BE THE LAST ADVISORY ON ALBERTO ISSUED BY
THE NATIONAL HURRICANE CENTER.

GLOBAL MODELS INDICATE THAT THE EXTRATROPICAL LOW WILL STRENGTHEN AS
IT EMERGES OFF THE MID-ATLANTIC COAST LATER TODAY. IN FACT...A
COUPLE OF THE MODELS SHOW THE SYSTEM REACHING EXTRATROPICAL STORM
STATUS AND SO DOES THE OFFICIAL FORECAST. 

ONLY COSMETIC CHANGES ARE MADE TO THE PREVIOUS FORECAST. THE NHC
TRACK IS IN GOOD AGREEMENT WITH THE CONSENSUS OF THE DYNAMICAL
MODELS.

ALBERTO STILL POSES A SIGNIFICANT FRESHWATER FLOODING THREAT ACROSS
PORTIONS OF THE MID-ATLANTIC STATES.  ADDITIONAL INFORMATION ON THE
FLOOD THREAT WILL BE CONTAINED IN PUBLIC ADVISORIES ISSUED BY THE
HYDROMETEOROLOGICAL PREDICTION CENTER AS WELL AS PRODUCTS FROM
LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICES. 
 
FORECASTER RHOME/PASCH
 
FORECAST POSITIONS AND MAX WINDS
 
INITIAL      14/1500Z 35.0N  79.5W    30 KT
 12HR VT     15/0000Z 37.0N  75.4W    35 KT...EXTRATROPICAL
 24HR VT     15/1200Z 39.8N  68.6W    45 KT...EXTRATROPICAL
 36HR VT     16/0000Z 43.0N  62.0W    50 KT...EXTRATROPICAL
 48HR VT     16/1200Z 46.0N  56.0W    50 KT...EXTRATROPICAL
 72HR VT     17/1200Z 53.0N  35.0W    45 KT...EXTRATROPICAL
 96HR VT     18/1200Z 56.0N  20.0W    40 KT...EXTRATROPICAL
120HR VT     19/1200Z 57.0N  10.0W    35 KT...EXTRATROPICAL
 
 
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