Weather alerts in the United States, August 1999
2,636 weather alerts in August 1999, 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
- 2,636
- Warnings
- 2,594
- Watches
- 42
- Advisories
- 0
- Busiest day
- August 13, 1999205 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 | 2,156 |
| Tornado Warning | 153 |
| Severe Thunderstorm Watch | 36 |
| Tornado Watch | 6 |
| Flooding | |
| Flash Flood Warning | 285 |
By state
Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.
- Texas3,002
- Oklahoma1,698
- Arkansas1,359
- Kansas1,306
- Georgia1,035
- Mississippi994
- Nebraska951
- Alabama909
- Missouri893
- Florida871
- Louisiana793
- Tennessee748
- South Dakota714
- Minnesota680
- Illinois672
- North Carolina639
- Virginia598
- Ohio569
- Pennsylvania568
- Iowa556
- Colorado533
- North Dakota450
- Wisconsin428
- Michigan413
- South Carolina411
- Montana404
- Kentucky383
- New York382
- Arizona377
- Indiana374
- New Mexico374
- West Virginia179
- Wyoming166
- California136
- Utah133
- Maryland111
- Oregon109
- New Jersey92
- Connecticut85
- Massachusetts78
Nearby
Alerts in force nowThe tornado archiveThe radar archive19982000
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.