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Tropical Storm Wilfred Forecast Discussion Number 2
2020-09-18 22:45:15| National Hurricane Center (Atlantic)
Issued at 500 PM AST Fri Sep 18 2020 000 WTNT43 KNHC 182045 TCDAT3 Tropical Storm Wilfred Discussion Number 2 NWS National Hurricane Center Miami FL AL232020 500 PM AST Fri Sep 18 2020 There haven't been a lot of changes with Wilfred today, with the northern side of the circulation looking rather dry while the center remains close to a burst of convection. The initial wind speed is kept 35 kt, closest to the TAFB classification. Wilfred could strengthen some during the next day or so before increasing upper-level westerlies winds likely begin by Sunday. A gradual weakening is expected into early next week, though the model guidance is in worse agreement than the last advisory due to the positioning of an upper-level low. The forecast continues to show the storm ending up on the convergent side of the low and dissipating, close to the previous one. Wilfred is moving west-northwestward at about 16 kt, after accounting for a re-positioning westward. Most of the guidance agrees on a scenario that maintains this track for the next few days, with a turn toward the west as the cyclones dissipates. The new forecast is closest to the GFS-based guidance. Similar to the intensity forecast, however, there are some models that suggest Wilfred could slow down and turn to the right in a couple of days if it is stronger than anticipated. FORECAST POSITIONS AND MAX WINDS INIT 18/2100Z 12.5N 34.4W 35 KT 40 MPH 12H 19/0600Z 13.2N 36.7W 40 KT 45 MPH 24H 19/1800Z 14.3N 39.7W 40 KT 45 MPH 36H 20/0600Z 15.4N 42.6W 40 KT 45 MPH 48H 20/1800Z 16.4N 45.4W 35 KT 40 MPH 60H 21/0600Z 17.1N 48.0W 30 KT 35 MPH 72H 21/1800Z 17.5N 50.0W 25 KT 30 MPH...POST-TROP/REMNT LOW 96H 22/1800Z...DISSIPATED $$ Forecaster Blake
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