Alert archive / Utah / 1999
Weather alerts in Utah, August 1999
44 weather alerts in August 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in August 1999. Tap one for its archive.
- Alerts
- 44
- Warnings
- 42
- Watches
- 2
- Advisories
- 0
- Busiest day
- August 11, 199911 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 31, 7:35 PM MDT | Flash Flood Warning | SLC | Kane | 85 min |
| Aug 2, 8:16 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake | 44 min |
| Aug 4, 5:46 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 29 min |
| Aug 5, 1:35 PM MDT | Flash Flood Warning | GJT | Grand, San Juan | 3 hr |
| Aug 9, 1:10 PM MDT | Flash Flood Warning | GJT | Grand, Uintah | 3 hr |
| Aug 11, 12:48 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Weber | 57 min |
| Aug 11, 12:48 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake | 57 min |
| Aug 11, 1:46 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Summit | 59 min |
| Aug 11, 2:15 PM MDT | Severe Thunderstorm Watch | SPC | Carbon, Daggett, Duchesne, Emery, Morgan, Rich and 6 more | 5 hr |
| Aug 11, 2:19 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 56 min |
| Aug 11, 2:19 PM MDT | Severe Thunderstorm Warning | SLC | Salt Lake | 56 min |
| Aug 11, 3:09 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 51 min |
| Aug 11, 3:10 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 60 min |
| Aug 11, 3:33 PM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 27 min |
| Aug 11, 3:42 PM MDT | Tornado Warning | SLC | Box Elder | 33 min |
| Aug 11, 4:04 PM MDT | Tornado Warning | SLC | Box Elder, Cache | 26 min |
| Aug 11, 6:30 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Weber | 30 min |
| Aug 15, 12:41 PM MDT | Severe Thunderstorm Warning | SLC | Kane, Washington | 34 min |
| Aug 15, 1:06 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 24 min |
| Aug 15, 3:30 PM MDT | Severe Thunderstorm Warning | GJT | San Juan | 60 min |
| Aug 19, 3:54 PM MDT | Flash Flood Warning | SLC | Garfield | 96 min |
| Aug 19, 5:30 PM MDT | Flash Flood Warning | SLC | Garfield | 90 min |
| Aug 21, 12:32 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 63 min |
| Aug 21, 2:17 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 48 min |
| Aug 21, 2:51 PM MDT | Flash Flood Warning | SLC | Kane | 84 min |
| Aug 21, 3:35 PM MDT | Flash Flood Warning | SLC | Washington | 85 min |
| Aug 21, 5:45 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Kane, San Juan | 60 min |
| Aug 27, 2:51 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 39 min |
| Aug 27, 3:29 PM MDT | Severe Thunderstorm Warning | SLC | Garfield | 31 min |
| Aug 27, 4:58 PM MDT | Flash Flood Warning | SLC | Garfield, Kane | 3 hr |
| Aug 27, 8:09 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 66 min |
| Aug 28, 6:06 PM MDT | Severe Thunderstorm Warning | SLC | Davis | 34 min |
| Aug 28, 6:30 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Weber | 30 min |
| Aug 29, 3:16 PM MDT | Flash Flood Warning | SLC | Kane | 74 min |
| Aug 29, 6:40 PM MDT | Flash Flood Warning | SLC | Garfield | 50 min |
| Aug 29, 8:14 PM MDT | Flash Flood Warning | SLC | Washington | 61 min |
| Aug 30, 12:30 PM MDT | Severe Thunderstorm Watch | SPC | Beaver, Box Elder, Cache, Davis, Garfield, Iron and 13 more | 8 hr |
| Aug 30, 12:48 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 57 min |
| Aug 30, 1:38 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 67 min |
| Aug 30, 2:02 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Salt Lake, Tooele, Weber | 58 min |
| Aug 30, 3:09 PM MDT | Severe Thunderstorm Warning | SLC | Utah, Wasatch | 36 min |
| Aug 30, 4:10 PM MDT | Flash Flood Warning | SLC | Washington | 3 hr |
| Aug 30, 7:36 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 44 min |
| Aug 31, 1:38 AM MDT | Severe Thunderstorm Warning | SLC | Cache, Rich | 32 min |
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 | 28 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 2 |
| Flooding | |
| Flash Flood Warning | 12 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kane County11
- Box Elder County10
- Garfield County8
- Weber County7
- Salt Lake County6
- Davis County6
- Morgan County5
- Washington County5
- Uintah County4
- Cache County4
- Grand County3
- San Juan County3
- Rich County3
- Utah County3
- Tooele County3
- Summit County2
- Daggett County2
- Sanpete County2
- Wasatch County2
- Carbon County1
- Duchesne County1
- Emery County1
- Beaver County1
- Iron County1
- Juab County1
- Millard County1
- Piute County1
- Sevier County1
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.