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Post-Tropical Cyclone Teresa Forecast Discussion Number 5
2021-09-25 22:44:37| National Hurricane Center (Atlantic)
Issued at 500 PM AST Sat Sep 25 2021 000 WTNT44 KNHC 252044 TCDAT4 Post-Tropical Cyclone Teresa Discussion Number 5 NWS National Hurricane Center Miami FL AL192021 500 PM AST Sat Sep 25 2021 Teresa has continued to consist of just a swirl of low-level clouds since last night. Although a convective band persists a couple hundred miles northeast of the low center, the system no longer meets the definition of a tropical cyclone. Strong west-southwesterly wind shear should prevent any regeneration of convection near the center. All of the global models show the remnant low degenerating into an open trough by Sunday morning. Teresa has been moving eastward or 090/4 kt during the past 12 hours. A turn to the northeast is expected within the next couple of hours as the cyclone moves in the southwesterly flow ahead of a deep-layer trough. The northeastward motion should continue until the low dissipates Sunday morning. Additional information on Post-Tropical Cyclone Teresa can be found in High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php FORECAST POSITIONS AND MAX WINDS INIT 25/2100Z 34.4N 64.3W 30 KT 35 MPH...POST-TROPICAL 12H 26/0600Z 35.7N 63.2W 30 KT 35 MPH...POST-TROP/REMNT LOW 24H 26/1800Z...DISSIPATED $$ Forecaster Hagen/Latto
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