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| #1017327 (Received by flhurricane at: 10:39 PM 16.Sep.2020) TCDAT1 Tropical Storm Vicky Discussion Number 12 NWS National Hurricane Center Miami FL AL212020 1100 PM AST Wed Sep 16 2020 A layer of cirrus clouds are covering the center of Vicky, but those clouds are associated with outflow from Hurricane Teddy. A combination of outflow from Teddy and an upper-level low to the north of Vicky is causing very strong westerly winds across the top of the struggling tropical storm. As a result, Vicky is producing minimal convection that is displaced to the east of the center. Recent ASCAT data indicated that the maximum winds are still near 35 kt, but Vicky`s wind field is becoming smaller and the system is on the overall decline. There is no indication that the shear will decrease and Vicky should weaken as a result. The NHC forecast calls for Vicky to become a remnant low within 24 hours (if not sooner) and dissipate in a few days. Vicky is still heading generally westward. The tropical storm will likely continue westward through tomorrow morning, and then turn west-southwestward in the low-level tradewind flow after that for as long as it lasts. There is little spread in the track guidance and the NHC forecast is essentially the same as the multi-model consensus. FORECAST POSITIONS AND MAX WINDS INIT 17/0300Z 21.6N 35.8W 35 KT 40 MPH 12H 17/1200Z 21.6N 37.1W 35 KT 40 MPH 24H 18/0000Z 21.0N 39.0W 30 KT 35 MPH...POST-TROP/REMNT LOW 36H 18/1200Z 20.2N 40.6W 25 KT 30 MPH...POST-TROP/REMNT LOW 48H 19/0000Z 19.4N 42.3W 25 KT 30 MPH...POST-TROP/REMNT LOW 60H 19/1200Z...DISSIPATED $$ Forecaster Zelinsky |
