ZCZC MIATCDEP3 ALL TTAA00 KNHC DDHHMM Post-Tropical Cyclone Cosme Discussion Number 9 NWS National Hurricane Center Miami FL EP032019 800 AM PDT Mon Jul 08 2019 The combination of cold sea surface temperatures, dry and stable air, and modest westerly shear has taken a toll on Cosme. The cyclone has been devoid of any central deep convection for more than 12 hours, and has degenerated into a large swirl of mostly cold-air stratocumulus clouds. As a result, the system no longer meets the criteria of a tropical cyclone, and this is the last advisory. The winds are estimated to be near 25 kt with higher gusts based on an overnight ASCAT-C scatterometer pass. Additional weakening is forecast, and the remnant low is expected to dissipate in a couple of days while it moves slowly northwestward over cooler waters. For additional information on Post-Tropical Cyclone Cosme, please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php FORECAST POSITIONS AND MAX WINDS INIT 08/1500Z 20.5N 120.7W 25 KT 30 MPH...POST-TROP/REMNT LOW 12H 09/0000Z 21.0N 121.3W 20 KT 25 MPH...POST-TROP/REMNT LOW 24H 09/1200Z 21.6N 122.0W 20 KT 25 MPH...POST-TROP/REMNT LOW 36H 10/0000Z 22.1N 122.7W 20 KT 25 MPH...POST-TROP/REMNT LOW 48H 10/1200Z...DISSIPATED $$ Forecaster Stewart NNNN
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Page last modified: Tuesday, 31-Dec-2019 12:09:45 UTC