Alert archive / Tornado Warnings / 1986
Tornado Warnings in the United States, May 1986
234 tornado warnings in May 1986. Each alert counts once, however many counties it covered. The archive of tornado warnings reaches back to 1986.
Tornado Warnings by state
Each state shaded by its count. Tap a state for its own archive.
- Tornado Warnings
- 234
- Busiest day
- May 17, 198651 tornado warnings
Over time
By day
Days in UTC, the clock the archive keeps.
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas209
- Nebraska91
- Oklahoma61
- Michigan57
- Iowa51
- South Dakota42
- Kansas41
- Florida40
- Missouri36
- Illinois31
- Alabama30
- North Carolina29
- Ohio29
- Arkansas27
- Minnesota27
- Wisconsin26
- Mississippi25
- Indiana21
- Louisiana19
- North Dakota19
- Colorado14
- Wyoming13
- Idaho10
- Montana8
- Pennsylvania7
- Tennessee7
- Kentucky7
- Georgia6
- New York5
- Massachusetts5
- New Mexico4
- California4
- South Carolina3
- Rhode Island2
- New Hampshire2
- Utah1
- Arizona1
- Vermont1
- Delaware1
- Maryland1
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.