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Atlantic 2015 season

Tropical Storm Nine (2015)

Tropical Storm Nine never reached hurricane strength — it peaked at 35 mph sustained winds and was active from Sep 15, 2015 to Sep 19, 2015.

Storm facts

Peak statusTropical storm
Max sustained winds30 kt / 35 mph / 56 km/h
Minimum central pressure1006 mb
Active datesSep 15, 2015 – Sep 19, 2015
Accumulated cyclone energy (ACE)0
Documented landfalls0

Every value on this page is taken directly from the NHC HURDAT2 best-track record for Nine 2015. 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, 2015Post-tropical low20 kt (37 km/h)11.5N 40.3W
Sep 16, 2015Post-tropical low25 kt (46 km/h)13.3N 42.7W
Sep 17, 2015Tropical depression25 kt (46 km/h)15.3N 44.8W
Sep 18, 2015Tropical depression25 kt (46 km/h)16.8N 45.2W
Sep 19, 2015Tropical depression25 kt (46 km/h)18.1N 48.1W

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.