Weather alerts in the United States, 1986
8,072 weather alerts in 1986, from the National Weather Service and the Storm Prediction Center. Each alert counts once, however many counties it covered.
Weather alerts by state
Each state shaded by its count. Tap a state for its own archive.
- Alerts
- 8,072
- Warnings
- 8,072
- Watches
- 0
- Advisories
- 0
- Busiest month
- July1,613 alerts
- Busiest day
- May 17, 1986163 alerts
Over time
By month
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 6,310 |
| Tornado Warning | 995 |
| Flooding | |
| Flash Flood Warning | 767 |
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas1,403
- Oklahoma658
- Kansas504
- Nebraska442
- South Dakota343
- Arkansas271
- Minnesota271
- North Carolina264
- Iowa263
- Ohio254
- Alabama247
- Indiana245
- Michigan237
- Wisconsin218
- Illinois211
- Missouri204
- Mississippi174
- Colorado172
- North Dakota161
- Florida158
- Louisiana157
- Pennsylvania156
- Georgia154
- New York138
- Kentucky100
- South Carolina97
- Wyoming90
- California87
- Tennessee75
- Montana71
- Arizona53
- West Virginia42
- Vermont41
- New Mexico36
- Virginia33
- Idaho28
- Utah26
- Massachusetts26
- Maine24
- New Hampshire22
The busiest days
Days with the most alerts issued, by UTC date.
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.