Issued at 900 PM GMT Mon Sep 04 2023
000 WTNT44 KNHC 042032 TCDAT4 Post-Tropical Cyclone Katia Discussion Number 14 NWS National Hurricane Center Miami FL AL122023 900 PM GMT Mon Sep 04 2023 The convection clock has run out on Katia with no organized thunderstorm activity for most of the day. No additional organized convection is expected either due to very dry air aloft and continued shear. Thus, the system is declared post-tropical, and this is the last NHC advisory. The winds are set to 30 kt in accordance with an earlier scatterometer pass. Katia isn't moving much now, and it is forecast to drift in a small clockwise loop over the next day or two within the subtropical ridge. The remnants of the system should move a bit faster southward on Wednesday, gradually weakening due to the unfavorable environment, and open up into a trough within 3 days. Additional information on this system can be found in High Seas Forecasts issued by Meteo France under WMO header FQNT50 LFPW and available on the web at www.meteofrance.com/previsions-meteo-marine/bulletin/grandlarge/ metarea2. FORECAST POSITIONS AND MAX WINDS INIT 04/2100Z 28.0N 34.4W 30 KT 35 MPH...POST-TROP/REMNT LOW 12H 05/0600Z 28.2N 34.7W 25 KT 30 MPH...POST-TROP/REMNT LOW 24H 05/1800Z 28.4N 34.5W 25 KT 30 MPH...POST-TROP/REMNT LOW 36H 06/0600Z 28.1N 34.2W 25 KT 30 MPH...POST-TROP/REMNT LOW 48H 06/1800Z 27.5N 33.7W 20 KT 25 MPH...POST-TROP/REMNT LOW 60H 07/0600Z 26.5N 33.5W 20 KT 25 MPH...POST-TROP/REMNT LOW 72H 07/1800Z...DISSIPATED $$ Forecaster Blake
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