Post-Tropical Cyclone JERRY
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POST-TROPICAL CYCLONE JERRY DISCUSSION NUMBER 20
NWS NATIONAL HURRICANE CENTER MIAMI FL AL112013
500 PM AST THU OCT 03 2013
JERRY LACKS SUFFICIENT ORGANIZED DEEP CONVECTION TO QUALIFY AS A
TROPICAL CYCLONE...AND IS THEREFORE BEING DESIGNATED AS A REMNANT
LOW PRESSURE SYSTEM. THE INTENSITY ESTIMATE REMAINS AT 30 KT...
ALTHOUGH THIS MAY BE GENEROUS. THE LOW WILL CONTINUE TO TRAVERSE
PROGRESSIVELY COOLER WATERS...AND VERTICAL SHEAR OVER THE SYSTEM IS
FORECAST TO INCREASE TO NEAR 25 KT IN 48 HOURS. REGENERATION IS
UNLIKELY AND BASED ON A BLEND OF THE GFS AND ECMWF SOLUTIONS...THE
SYSTEM IS EXPECTED TO OPEN UP INTO A TROUGH AFTER 48 HOURS.
INITIAL MOTION IS A LITTLE FASTER...060/12. POST-TROPICAL JERRY IS
FORECAST TO MOVE EAST-NORTHEASTWARD TO NORTHEASTWARD AHEAD OF A
BROAD MID-LATITUDE TROUGH. THE OFFICIAL TRACK FORECAST IS VERY
SIMILAR TO THE PREVIOUS ONE AND LIES BETWEEN THE GFS PREDICTION AND
THE MULTI-MODEL CONSENSUS.
THIS IS THE LAST ADVISORY ON JERRY ISSUED BY THE NATIONAL HURRICANE
CENTER. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH
SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS
HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC.
FORECAST POSITIONS AND MAX WINDS
INIT 03/2100Z 31.8N 38.7W 30 KT 35 MPH...POST-TROP/REMNT LOW
12H 04/0600Z 32.6N 36.7W 30 KT 35 MPH...POST-TROP/REMNT LOW
24H 04/1800Z 33.7N 34.1W 30 KT 35 MPH...POST-TROP/REMNT LOW
36H 05/0600Z 34.8N 32.0W 25 KT 30 MPH...POST-TROP/REMNT LOW
48H 05/1800Z 36.0N 30.5W 25 KT 30 MPH...POST-TROP/REMNT LOW
72H 06/1800Z...DISSIPATED
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FORECASTER PASCH
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