Weather alerts in the United States, 1987
6,826 weather alerts in 1987, 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
- 6,826
- Warnings
- 6,826
- Watches
- 0
- Advisories
- 0
- Busiest month
- July1,702 alerts
- Busiest day
- July 6, 1987133 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 | 5,632 |
| Tornado Warning | 695 |
| Flooding | |
| Flash Flood Warning | 499 |
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas1,488
- Oklahoma503
- Kansas423
- South Dakota277
- Minnesota263
- Nebraska243
- Iowa241
- Louisiana235
- Missouri223
- Michigan223
- Illinois216
- Indiana214
- Wisconsin194
- North Carolina191
- Mississippi188
- Ohio178
- Arkansas170
- Alabama162
- Colorado149
- Pennsylvania134
- North Dakota111
- Kentucky100
- Florida97
- Georgia82
- New York79
- South Carolina76
- Wyoming71
- New Jersey64
- New Mexico61
- Virginia41
- Arizona37
- Montana36
- Tennessee27
- West Virginia26
- Idaho19
- Utah18
- Vermont16
- California15
- Nevada13
- Maryland12
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowThe tornado archiveThe radar archive19861988
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.