TCDAT4 TROPICAL DEPRESSION MELISSA DISCUSSION NUMBER 10 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL142007 500 PM EDT SUN SEP 30 2007 AS WAS THE CASE WITH INGRID...AND KAREN...WESTERLY SHEAR HAS CAUSED ANOTHER TROPICAL CYCLONE IN THE ATLANTIC TO WEAKEN. MELISSA HAS CONTINUED TO PRODUCE FEW VERY SMALL CLUSTERS OF CONVECTION TODAY...EACH OF WHICH HAS LASTED ONLY A FEW HOURS. SINCE MELISSA HAS BEEN UNABLE TO PRODUCE ORGANIZED CONVECTION DURING THE PAST 12-18 HOURS...IT NO LONGER CLASSIFIES AS A TROPICAL CYCLONE AND THIS WILL BE THE LAST NHC ADVISORY. THE INITIAL MOTION ESTIMATE IS 285/12. THE REMNANT LOW IS EXPECTED TO BE STEERED WEST-NORTHWESTWARD AROUND A LOW-LEVEL RIDGE OVER THE EASTERN ATLANTIC. THE REMNANT LOW...IF IT SURVIVES FOR A COUPLE OF DAYS...MAY TURN MORE NORTHWESTWARD AS IT APPROACHES THE WESTERN PERIPHERY OF THIS RIDGE. 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.