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Atlantic 2018 season

Tropical Storm Ernesto (2018)

Tropical Storm Ernesto never reached hurricane strength — it peaked at 46 mph sustained winds and was active from Aug 15, 2018 to Aug 19, 2018.

Storm facts

Peak statusTropical storm
Max sustained winds40 kt / 46 mph / 74 km/h
Minimum central pressure999 mb
Active datesAug 15, 2018 – Aug 19, 2018
Accumulated cyclone energy (ACE)0.8
Documented landfalls0

Every value on this page is taken directly from the NHC HURDAT2 best-track record for Ernesto 2018. 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
Aug 15, 2018Post-tropical low30 kt (56 km/h)36.9N 45.5W
Aug 16, 2018Subtropical storm35 kt (65 km/h)39.3N 45.4W
Aug 17, 2018Tropical storm40 kt (74 km/h)43.5N 40.2W
Aug 18, 2018Post-tropical low40 kt (74 km/h)49.8N 27.7W
Aug 19, 2018Extratropical35 kt (65 km/h)54.2N 9.6W

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.