Alert archive / Arizona / Tornado Warnings
Tornado Warnings in Arizona, 1999
10 tornado warnings in 1999. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Tornado Warnings
- 10
- Busiest month
- September8 tornado warnings
- Busiest day
- September 14, 19994 tornado warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:21 PM MST | Tornado Warning | PSR | Pinal | 34 min |
| Jul 7, 4:14 PM MST | Tornado Warning | TWC | Pima | 36 min |
| Sep 13, 10:29 PM MST | Tornado Warning | VEF | Mohave | 46 min |
| Sep 14, 1:20 PM MST | Tornado Warning | FGZ | Yavapai | 35 min |
| Sep 14, 1:51 PM MST | Tornado Warning | FGZ | Yavapai | 34 min |
| Sep 14, 4:02 PM MST | Tornado Warning | FGZ | Yavapai | 33 min |
| Sep 15, 5:12 PM MST | Tornado Warning | FGZ | Yavapai | 33 min |
| Sep 16, 1:17 PM MST | Tornado Warning | FGZ | Coconino | 33 min |
| Sep 16, 1:59 PM MST | Tornado Warning | FGZ | Coconino | 16 min |
| Sep 16, 2:24 PM MST | Tornado Warning | FGZ | Coconino | 11 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe 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.