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Atlantic 2020 season

Tropical Storm Alpha (2020)

Tropical Storm Alpha never reached hurricane strength — it peaked at 69 mph sustained winds and was active from Sep 14, 2020 to Sep 19, 2020, with 1 documented landfall.

Storm facts

Peak statusTropical storm
Max sustained winds60 kt / 69 mph / 111 km/h
Minimum central pressure992 mb
Active datesSep 14, 2020 – Sep 19, 2020
Accumulated cyclone energy (ACE)0
Documented landfalls1

Every value on this page is taken directly from the NHC HURDAT2 best-track record for Alpha 2020. Nothing is estimated. The best-track table below shows one entry per day at 00:00 UTC; the full six-hourly record lives in the HURDAT2 database.

Best-track table (daily, 00:00 UTC)

DateStatusMax windsPosition
Sep 15, 2020Extratropical60 kt (111 km/h)47.0N 22.4W
Sep 16, 2020Extratropical40 kt (74 km/h)42.9N 20.5W
Sep 17, 2020Extratropical35 kt (65 km/h)38.9N 18.9W
Sep 18, 2020Subtropical storm45 kt (83 km/h)36.7N 13.1W
Sep 19, 2020Subtropical depression30 kt (56 km/h)40.6N 7.6W

Read this like a pro

Wind speeds above are in knots, the unit NHC uses in HURDAT2. For what a Category 1 wind field actually does, see hurricane categories explained; for why the wind number alone never tells the danger story, see storm surge vs. flooding.