Alert archive / Utah / 2018
Weather alerts in Utah, August 2018
166 weather alerts in August 2018, 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 2018. Tap one for its archive.
- Alerts
- 166
- Warnings
- 68
- Watches
- 6
- Advisories
- 6
- Busiest day
- August 22, 201871 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 |
|---|---|---|---|---|
| Aug 1, 2:58 PM MDT | Special Weather Statement | RIW | Daggett | 47 min |
| Aug 2, 1:00 PM MDT | Flash Flood Warning | SLC | Garfield | 3 hr |
| Aug 2, 5:46 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 44 min |
| Aug 2, 6:01 PM MDT | Special Weather Statement | SLC | Washington | 29 min |
| Aug 2, 6:28 PM MDT | Flash Flood Warning | SLC | Washington | 4 hr |
| Aug 2, 8:28 PM MDT | Special Weather Statement | SLC | Cache | 47 min |
| Aug 3, 3:08 AM MDT | Red Flag Warning | SLC | Box Elder, Cache, Davis, Morgan, Rich, Salt Lake and 5 more | 42 hr |
| Aug 3, 2:53 PM MDT | Special Weather Statement | SLC | Carbon | 52 min |
| Aug 3, 3:20 PM MDT | Flash Flood Warning | SLC | Kane | 4 hr |
| Aug 3, 4:22 PM MDT | Special Weather Statement | GJT | Grand | 38 min |
| Aug 3, 4:45 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 30 min |
| Aug 3, 5:11 PM MDT | Severe Thunderstorm Warning | GJT | Grand | 34 min |
| Aug 3, 6:54 PM MDT | Special Weather Statement | GJT | Grand | 36 min |
| Aug 3, 7:22 PM MDT | Flash Flood Warning | SLC | Kane | 113 min |
| Aug 4, 3:16 PM MDT | Special Weather Statement | SLC | Sanpete | 44 min |
| Aug 5, 9:41 AM MDT | Red Flag Warning | SLC | Cache, Duchesne, Morgan, Rich, Salt Lake, Summit and 3 more | 11 hr |
| Aug 11, 1:35 PM MDT | Flash Flood Warning | SLC | Garfield, Iron | 3 hr |
| Aug 11, 2:36 PM MDT | Special Weather Statement | SLC | 24 min | |
| Aug 11, 2:58 PM MDT | Severe Thunderstorm Warning | SLC | Garfield, Iron | 32 min |
| Aug 11, 3:37 PM MDT | Special Weather Statement | SLC | Kane | 23 min |
| Aug 11, 3:57 PM MDT | Special Weather Statement | SLC | 33 min | |
| Aug 11, 4:20 PM MDT | Mesoscale Discussion | SPC | Beaver, Iron, Washington | 2 hr |
| Aug 11, 4:32 PM MDT | Special Weather Statement | SLC | Beaver | 28 min |
| Aug 11, 4:35 PM MDT | Severe Thunderstorm Warning | SLC | Beaver, Iron | 25 min |
| Aug 11, 6:41 PM MDT | Special Weather Statement | SLC | Washington | 49 min |
| Aug 11, 6:53 PM MDT | Severe Thunderstorm Warning | SLC | Washington | 37 min |
| Aug 11, 7:19 PM MDT | Areal Flood Advisory | SLC | Washington | 3 hr |
| Aug 12, 1:10 PM MDT | Flash Flood Warning | SLC | Emery | 3 hr |
| Aug 12, 7:42 PM MDT | Special Weather Statement | GJT | San Juan | 48 min |
| Aug 15, 3:31 PM MDT | Flash Flood Warning | SLC | Kane | 4 hr |
| Aug 17, 3:15 AM MDT | Fire Weather Watch | SLC | Carbon, Emery | 11 hr |
| Aug 17, 2:22 PM MDT | Red Flag Warning | SLC | Carbon, Duchesne, Emery, Wasatch | 34 hr |
| Aug 19, 3:24 AM MDT | Fire Weather Watch | SLC | Juab, Millard, Sanpete | 11 hr |
| Aug 19, 2:41 PM MDT | Red Flag Warning | SLC | Box Elder, Cache, Davis, Juab, Millard, Morgan and 8 more | 31 hr |
| Aug 20, 3:09 PM MDT | Special Weather Statement | SLC | Tooele | 51 min |
| Aug 20, 4:56 PM MDT | Special Weather Statement | SLC | Morgan | 34 min |
| Aug 20, 5:27 PM MDT | Special Weather Statement | SLC | Summit | 48 min |
| Aug 21, 2:45 AM MDT | Flash Flood Watch | SLC | 17 hr | |
| Aug 21, 8:38 AM MDT | Special Weather Statement | SLC | Sanpete | 37 min |
| Aug 21, 10:59 AM MDT | Special Weather Statement | GJT | Grand | 46 min |
| Aug 21, 11:14 AM MDT | Severe Thunderstorm Warning | GJT | Grand, Uintah | 46 min |
| Aug 21, 11:20 AM MDT | Mesoscale Discussion | SPC | Emery, Garfield, Grand, Piute, Sevier, Wayne | 115 min |
| Aug 21, 11:41 AM MDT | Special Weather Statement | SLC | 49 min | |
| Aug 21, 11:47 AM MDT | Severe Thunderstorm Warning | SLC | Kane | 28 min |
| Aug 21, 11:53 AM MDT | Severe Thunderstorm Warning | GJT | Grand | 37 min |
| Aug 21, 11:59 AM MDT | Flash Flood Warning | SLC | Emery | 3 hr |
| Aug 21, 12:01 PM MDT | Flash Flood Warning | SLC | Garfield, Wayne | 3 hr |
| Aug 21, 12:09 PM MDT | Special Weather Statement | SLC | 51 min | |
| Aug 21, 12:21 PM MDT | Special Weather Statement | SLC | 39 min | |
| Aug 21, 12:38 PM MDT | Special Weather Statement | SLC | Kane | 52 min |
| Aug 21, 12:47 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 28 min |
| Aug 21, 12:56 PM MDT | Severe Thunderstorm Warning | SLC | Kane | 34 min |
| Aug 21, 12:59 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 4 hr |
| Aug 21, 1:15 PM MDT | Special Weather Statement | SLC | 45 min | |
| Aug 21, 1:21 PM MDT | Special Weather Statement | SLC | 39 min | |
| Aug 21, 1:27 PM MDT | Special Weather Statement | GJT | Grand | 48 min |
| Aug 21, 1:29 PM MDT | Special Weather Statement | SLC | Garfield | 46 min |
| Aug 21, 1:30 PM MDT | Special Weather Statement | SLC | Emery | 45 min |
| Aug 21, 1:58 PM MDT | Special Weather Statement | SLC | 47 min | |
| Aug 21, 2:00 PM MDT | Special Weather Statement | SLC | Sevier | 45 min |
| Aug 21, 2:14 PM MDT | Special Weather Statement | GJT | San Juan | 46 min |
| Aug 21, 2:38 PM MDT | Special Weather Statement | GJT | Grand | 52 min |
| Aug 21, 2:39 PM MDT | Flash Flood Warning | SLC | Kane, San Juan | 3 hr |
| Aug 21, 2:47 PM MDT | Special Weather Statement | GJT | Grand | 28 min |
| Aug 21, 3:14 PM MDT | Special Weather Statement | GJT | Grand | 46 min |
| Aug 21, 3:50 PM MDT | Flash Flood Warning | SLC | Emery | 3 hr |
| Aug 21, 5:11 PM MDT | Special Weather Statement | SLC | Juab | 49 min |
| Aug 21, 6:06 PM MDT | Special Weather Statement | SLC | Utah | 24 min |
| Aug 21, 6:22 PM MDT | Special Weather Statement | SLC | 38 min | |
| Aug 21, 6:29 PM MDT | Severe Thunderstorm Warning | SLC | Tooele, Utah | 31 min |
| Aug 21, 6:58 PM MDT | Severe Thunderstorm Warning | SLC | Tooele, Utah | 32 min |
| Aug 21, 7:28 PM MDT | Special Weather Statement | SLC | Salt Lake | 47 min |
| Aug 22, 2:46 AM MDT | Flash Flood Warning | SLC | Kane, Washington | 4 hr |
| Aug 22, 3:09 AM MDT | Areal Flood Advisory | SLC | Washington | 3 hr |
| Aug 22, 3:33 AM MDT | Flash Flood Watch | SLC | 18 hr | |
| Aug 22, 6:29 AM MDT | Special Weather Statement | SLC | Box Elder | 46 min |
| Aug 22, 6:32 AM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Rich, Weber | 118 min |
| Aug 22, 7:16 AM MDT | Special Weather Statement | SLC | Box Elder | 29 min |
| Aug 22, 7:32 AM MDT | Special Weather Statement | SLC | Box Elder | 43 min |
| Aug 22, 8:09 AM MDT | Special Weather Statement | SLC | Box Elder | 51 min |
| Aug 22, 8:16 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 29 min |
| Aug 22, 8:17 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 43 min |
| Aug 22, 8:42 AM MDT | Special Weather Statement | SLC | Cache | 33 min |
| Aug 22, 8:52 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 38 min |
| Aug 22, 9:28 AM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Cache | 32 min |
| Aug 22, 9:59 AM MDT | Special Weather Statement | SLC | Cache | 46 min |
| Aug 22, 10:21 AM MDT | Areal Flood Warning | SLC | Washington | 6 hr |
| Aug 22, 10:43 AM MDT | Special Weather Statement | SLC | Rich | 47 min |
| Aug 22, 12:25 PM MDT | Mesoscale Discussion | SPC | Cache, Davis, Morgan, Rich, Salt Lake, Utah and 1 more | 110 min |
| Aug 22, 12:43 PM MDT | Special Weather Statement | SLC | Davis | 47 min |
| Aug 22, 12:51 PM MDT | Severe Thunderstorm Watch | SPC | Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 12 more | 8 hr |
| Aug 22, 12:59 PM MDT | Special Weather Statement | SLC | Davis | 46 min |
| Aug 22, 1:16 PM MDT | Special Weather Statement | SLC | Juab | 44 min |
| Aug 22, 1:24 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan | 36 min |
| Aug 22, 1:25 PM MDT | Special Weather Statement | SLC | Wasatch | 50 min |
| Aug 22, 1:26 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele | 34 min |
| Aug 22, 1:46 PM MDT | Severe Thunderstorm Warning | SLC | Utah, Wasatch | 44 min |
| Aug 22, 1:58 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan | 15 min |
| Aug 22, 1:58 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele, Utah | 47 min |
| Aug 22, 2:02 PM MDT | Special Weather Statement | SLC | Utah | 28 min |
| Aug 22, 2:05 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Davis, Tooele | 25 min |
| Aug 22, 2:09 PM MDT | Special Weather Statement | SLC | Morgan | 51 min |
| Aug 22, 2:22 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Summit | 23 min |
| Aug 22, 2:23 PM MDT | Special Weather Statement | SLC | Utah | 37 min |
| Aug 22, 2:28 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Weber | 32 min |
| Aug 22, 2:36 PM MDT | Special Weather Statement | SLC | Utah | 24 min |
| Aug 22, 2:46 PM MDT | Special Weather Statement | SLC | Summit | 44 min |
| Aug 22, 2:48 PM MDT | Severe Thunderstorm Warning | SLC | Juab, Tooele, Utah | 42 min |
| Aug 22, 2:52 PM MDT | Special Weather Statement | SLC | Morgan | 38 min |
| Aug 22, 2:57 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Weber | 33 min |
| Aug 22, 2:57 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Carbon, Davis, Duchesne, Juab and 9 more | 93 min |
| Aug 22, 3:06 PM MDT | Special Weather Statement | SLC | Salt Lake | 39 min |
| Aug 22, 3:22 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Morgan, Salt Lake | 23 min |
| Aug 22, 3:28 PM MDT | Special Weather Statement | SLC | Morgan | 47 min |
| Aug 22, 3:29 PM MDT | Flash Flood Warning | SLC | Salt Lake | 91 min |
| Aug 22, 3:36 PM MDT | Special Weather Statement | SLC | Utah, Wasatch | 24 min |
| Aug 22, 3:40 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Rich, Summit | 35 min |
| Aug 22, 3:44 PM MDT | Special Weather Statement | SLC | Morgan | 46 min |
| Aug 22, 3:52 PM MDT | Special Weather Statement | SLC | Salt Lake | 38 min |
| Aug 22, 3:53 PM MDT | Special Weather Statement | SLC | Duchesne | 37 min |
| Aug 22, 3:58 PM MDT | Special Weather Statement | SLC | Duchesne | 32 min |
| Aug 22, 4:08 PM MDT | Severe Thunderstorm Warning | SLC | Morgan, Weber | 37 min |
| Aug 22, 4:15 PM MDT | Severe Thunderstorm Warning | SLC | Tooele | 30 min |
| Aug 22, 4:19 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 56 min |
| Aug 22, 4:24 PM MDT | Special Weather Statement | SLC | Salt Lake | 51 min |
| Aug 22, 4:34 PM MDT | Special Weather Statement | SLC | Duchesne | 26 min |
| Aug 22, 4:37 PM MDT | Areal Flood Advisory | SLC | Davis, Morgan, Salt Lake | 83 min |
| Aug 22, 4:42 PM MDT | Special Weather Statement | SLC | Salt Lake | 48 min |
| Aug 22, 4:58 PM MDT | Special Weather Statement | SLC | Duchesne | 32 min |
| Aug 22, 5:04 PM MDT | Special Weather Statement | SLC | Morgan | 41 min |
| Aug 22, 5:05 PM MDT | Severe Thunderstorm Warning | SLC | Duchesne | 25 min |
| Aug 22, 5:13 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 11 more | 92 min |
| Aug 22, 5:17 PM MDT | Severe Thunderstorm Warning | GJT | Daggett, Uintah | 28 min |
| Aug 22, 5:18 PM MDT | Areal Flood Advisory | SLC | Salt Lake | 87 min |
| Aug 22, 5:19 PM MDT | Special Weather Statement | SLC | Salt Lake | 41 min |
| Aug 22, 5:42 PM MDT | Areal Flood Advisory | GJT | Uintah | 3 hr |
| Aug 22, 5:54 PM MDT | Severe Thunderstorm Warning | GJT | Uintah | 51 min |
| Aug 22, 5:58 PM MDT | Flash Flood Warning | SLC | Salt Lake | 5 min |
| Aug 22, 6:00 PM MDT | Special Weather Statement | SLC | Summit | 45 min |
| Aug 22, 6:02 PM MDT | Flash Flood Warning | SLC | Summit | 3 hr |
| Aug 22, 6:27 PM MDT | Special Weather Statement | SLC | Salt Lake | 33 min |
| Aug 22, 6:39 PM MDT | Severe Thunderstorm Warning | SLC | Utah | 36 min |
| Aug 22, 6:41 PM MDT | Special Weather Statement | SLC | Salt Lake | 34 min |
| Aug 22, 7:06 PM MDT | Special Weather Statement | SLC | Utah | 24 min |
| Aug 22, 7:14 PM MDT | Special Weather Statement | SLC | Wasatch | 31 min |
| Aug 22, 7:30 PM MDT | Special Weather Statement | SLC | Utah | 30 min |
| Aug 22, 8:11 PM MDT | Flash Flood Warning | SLC | Duchesne, Wasatch | 3 hr |
| Aug 22, 8:23 PM MDT | Mesoscale Discussion | SPC | Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 11 more | 67 min |
| Aug 22, 9:09 PM MDT | Flash Flood Warning | SLC | Utah, Wasatch | 3 hr |
| Aug 22, 11:02 PM MDT | Flash Flood Warning | SLC | Duchesne, Wasatch | 4 hr |
| Aug 22, 11:38 PM MDT | Special Weather Statement | SLC | Carbon | 52 min |
| Aug 23, 12:00 AM MDT | Special Weather Statement | SLC | Sanpete | 45 min |
| Aug 23, 12:08 AM MDT | Severe Thunderstorm Warning | SLC | Juab, Sanpete, Utah | 45 min |
| Aug 23, 1:00 PM MDT | Special Weather Statement | SLC | Kane | 30 min |
| Aug 23, 1:13 PM MDT | Flash Flood Warning | SLC | Garfield, Kane | 3 hr |
| Aug 23, 8:14 PM MDT | Flash Flood Warning | SLC | Kane | 3 hr |
| Aug 24, 2:24 PM MDT | Fire Weather Watch | SLC | Box Elder, Davis, Juab, Millard, Salt Lake, Sanpete and 2 more | 19 hr |
| Aug 25, 9:49 AM MDT | Red Flag Warning | SLC | Box Elder, Davis, Juab, Millard, Salt Lake, Sanpete and 2 more | 35 hr |
| Aug 25, 2:48 PM MDT | Areal Flood Advisory | GJT | San Juan | 3 hr |
| Aug 26, 3:46 PM MDT | Special Weather Statement | SLC | Wayne | 44 min |
| Aug 26, 4:22 PM MDT | Special Weather Statement | GJT | Grand | 38 min |
| Aug 26, 4:26 PM MDT | Flash Flood Warning | SLC | Wayne | 4 hr |
| Aug 27, 9:44 AM MDT | Red Flag Warning | GJT | Grand | 11 hr |
| Aug 29, 11:42 AM MDT | Red Flag Warning | GJT | Grand, San Juan | 32 hr |
| Aug 29, 2:54 PM MDT | Red Flag Warning | SLC | Beaver, Cache, Iron, Juab, Millard, Morgan and 8 more | 30 hr |
| Aug 31, 5:39 PM MDT | Special Weather Statement | GJT | Grand | 51 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Utah County26
- Salt Lake County24
- Morgan County23
- Box Elder County18
- Davis County18
- Tooele County17
- Wasatch County16
- Grand County16
- Cache County15
- Juab County15
- Summit County14
- Kane County14
- Weber County13
- Sanpete County13
- Duchesne County13
- Rich County12
- Washington County11
- Emery County10
- Carbon County8
- Millard County8
- Garfield County7
- Iron County5
- San Juan County5
- Uintah County5
- Beaver County4
- Wayne County4
- Sevier County3
- Daggett County2
- Piute County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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. Warning verification from the Mesonet's Cow. Rebuilt daily.