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Atlantic 2018 season

Hurricane Isaac (2018)

Hurricane Isaac was a Category 1 hurricane at its peak, with maximum sustained winds of 75 mph (65 kt) and a minimum central pressure of 995 mb. It was active from Sep 7, 2018 to Sep 15, 2018.

Storm facts

Peak statusHurricane — Category 1
Max sustained winds65 kt / 75 mph / 120 km/h
Minimum central pressure995 mb
Active datesSep 7, 2018 – Sep 15, 2018
Accumulated cyclone energy (ACE)6.8
Documented landfalls0

Every value on this page is taken directly from the NHC HURDAT2 best-track record for Isaac 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
Sep 8, 2018Tropical depression30 kt (56 km/h)13.9N 34.9W
Sep 9, 2018Tropical storm45 kt (83 km/h)14.4N 37.0W
Sep 10, 2018Hurricane65 kt (120 km/h)14.5N 41.0W
Sep 11, 2018Tropical storm60 kt (111 km/h)14.5N 46.2W
Sep 12, 2018Tropical storm55 kt (102 km/h)14.5N 51.7W
Sep 13, 2018Tropical storm45 kt (83 km/h)15.3N 57.2W
Sep 14, 2018Tropical storm35 kt (65 km/h)14.9N 63.6W
Sep 15, 2018Tropical depression30 kt (56 km/h)15.4N 69.0W

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.