Tropical Depression JERRY
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TROPICAL DEPRESSION JERRY DISCUSSION NUMBER 7
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112007
500 PM EDT MON SEP 24 2007
SATELLITE IMAGES INDICATE THAT THE CENTER IS NOW NEAR THE SOUTHERN
EDGE OF A SMALL MASS OF DEEP CONVECTION. THEREFORE WE NEED TO
MAINTAIN THE SYSTEM AS A TROPICAL CYCLONE FOR THE TIME BEING.
HOWEVER A STRONG COLD FRONT IS NEARING THE AREA...AND THE
ASSOCIATED VIGOROUS EXTRATROPICAL CYCLONE SHOULD ABSORB JERRY IN 12
HOURS OR SO.
THERE HAS BEEN A SIGNIFICANT INCREASE IN FORWARD SPEED AND THE
INITIAL MOTION IS NOW 035/20. JERRY IS FORECAST TO ACCELERATE
NORTH-NORTHEASTWARD IN THE STEERING FLOW AHEAD OF A LARGE
MID-LATITUDE THAT IS APPROACHING 50W. THE OFFICIAL TRACK FORECAST
IS SIMILAR TO THE PREVIOUS ONE...AND ALSO CLOSE TO THE DYNAMICAL
MODEL CONSENSUS.
FORECAST POSITIONS AND MAX WINDS
INITIAL 24/2100Z 41.8N 42.7W 30 KT
12HR VT 25/0600Z 45.5N 38.7W 30 KT...BECOMING EXTRATROPICAL
24HR VT 25/1800Z...ABSORBED BY LARGER EXTRATROPICAL CYCLONE
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FORECASTER PASCH
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