Alert archive / Wyoming / Laramie County
Weather alerts in Laramie County, Wyoming, 2014
327 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Laramie County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 327
- Warnings
- 104
- Watches
- 51
- Advisories
- 37
- Busiest month
- June78 alerts
- Busiest day
- June 27, 201417 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 3 tornado warnings covering Laramie County in 2014 had a tornado report inside them; 4 of 5 tornado reports fell inside a warning, on average 15 minutes after it went out.
Laramie County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 2 | 33% | 5 | 80% | 15 min |
| Severe thunderstorm warnings | 44 | 19 | 57% | 44 | 89% | 23 min |
| Flash flood warnings | 6 | 3 | 50% | 3 | 100% | 49 min |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Cheyenne, WY: tornado warnings | 14 | 5 | 64% | 21 | 48% | 13 min |
| NWS Cheyenne, WY: severe thunderstorm warnings | 153 | 59 | 61% | 149 | 79% | 21 min |
| NWS Cheyenne, WY: flash flood warnings | 31 | 12 | 61% | 23 | 91% | 95 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 | Lasted |
|---|---|---|---|
| Jan 1, 9:10 PM MST | High Wind Watch | CYS | 6 hr |
| Jan 2, 3:20 AM MST | High Wind Warning | CYS | 42 hr |
| Jan 4, 2:21 PM MST | Wind Chill Warning | CYS | 38 hr |
| Jan 6, 2:31 AM MST | High Wind Warning | CYS | 24 hr |
| Jan 6, 1:34 PM MST | High Wind Warning | CYS | 13 hr |
| Jan 8, 12:39 PM MST | High Wind Watch | CYS | 24 hr |
| Jan 9, 3:51 AM MST | High Wind Warning | CYS | 5 days |
| Jan 10, 3:43 AM MST | High Wind Watch | CYS | 13 hr |
| Jan 11, 3:44 AM MST | High Wind Warning | CYS | 67 hr |
| Jan 12, 1:51 PM MST | High Wind Watch | CYS | 13 hr |
| Jan 14, 1:25 AM MST | High Wind Watch | CYS | 13 hr |
| Jan 14, 2:30 PM MST | High Wind Warning | CYS | 28 hr |
| Jan 19, 12:14 PM MST | High Wind Warning | CYS | 10 hr |
| Jan 20, 2:34 PM MST | High Wind Warning | CYS | 23 hr |
| Jan 24, 12:30 AM MST | High Wind Warning | CYS | 14 hr |
| Jan 26, 9:28 PM MST | Winter Weather Advisory | CYS | 22 hr |
| Jan 27, 2:14 PM MST | Wind Chill Advisory | CYS | 18 hr |
| Jan 28, 10:33 AM MST | High Wind Warning | CYS | 38 hr |
| Jan 28, 8:36 PM MST | Winter Storm Warning | CYS | 57 hr |
| Jan 29, 2:40 PM MST | Winter Storm Watch | CYS | 14 hr |
| Jan 30, 4:14 AM MST | Winter Weather Advisory | CYS | 25 hr |
| Feb 3, 12:25 PM MST | Winter Weather Advisory | CYS | 32 hr |
| Feb 4, 1:34 PM MST | Wind Chill Warning | CYS | 21 hr |
| Feb 5, 2:27 PM MST | Wind Chill Advisory | CYS | 20 hr |
| Feb 5, 8:46 PM MST | Wind Chill Warning | CYS | 13 hr |
| Feb 6, 3:55 AM MST | High Wind Watch | CYS | 11 hr |
| Feb 6, 3:00 PM MST | High Wind Warning | CYS | 53 hr |
| Feb 8, 2:26 AM MST | Winter Weather Advisory | CYS | 33 hr |
| Feb 10, 2:43 AM MST | High Wind Watch | CYS | 57 hr |
| Feb 11, 2:46 PM MST | High Wind Warning | CYS | 61 hr |
| Feb 12, 11:53 AM MST | High Wind Warning | CYS | 33 hr |
| Feb 13, 3:40 AM MST | High Wind Watch | CYS | 26 hr |
| Feb 14, 5:26 AM MST | High Wind Warning | CYS | 25 hr |
| Feb 16, 3:05 AM MST | High Wind Watch | CYS | 12 hr |
| Feb 16, 3:05 AM MST | High Wind Warning | CYS | 60 hr |
| Feb 17, 7:39 PM MST | Areal Flood Advisory | CYS | 13 hr |
| Feb 19, 3:09 PM MST | High Wind Watch | CYS | 12 hr |
| Feb 19, 8:57 PM MST | High Wind Warning | CYS | 45 hr |
| Feb 20, 3:39 PM MST | High Wind Watch | CYS | 11 hr |
| Feb 21, 3:09 PM MST | Winter Storm Watch | CYS | 19 hr |
| Feb 22, 2:15 AM MST | Winter Weather Advisory | CYS | 34 hr |
| Feb 22, 10:00 AM MST | Winter Storm Warning | CYS | 26 hr |
| Feb 25, 9:42 AM MST | Winter Weather Advisory | CYS | 10 hr |
| Feb 27, 4:18 AM MST | Winter Storm Watch | CYS | 30 hr |
| Feb 28, 4:38 AM MST | Winter Storm Warning | CYS | 43 hr |
| Feb 28, 9:59 AM MST | Winter Weather Advisory | CYS | 28 hr |
| Mar 3, 2:13 PM MST | Winter Weather Advisory | CYS | 30 hr |
| Mar 4, 6:39 PM MST | Areal Flood Advisory | CYS | 12 hr |
| Mar 4, 7:19 PM MST | Areal Flood Advisory | CYS | 12 hr |
| Mar 5, 2:31 AM MST | High Wind Watch | CYS | 13 hr |
| Mar 5, 7:29 AM MST | Areal Flood Advisory | CYS | 12 hr |
| Mar 5, 3:03 PM MST | High Wind Warning | CYS | 21 hr |
| Mar 9, 5:38 AM MDT | High Wind Warning | CYS | 11 min |
| Mar 9, 5:52 AM MDT | High Wind Warning | CYS | 12 hr |
| Mar 15, 3:21 PM MDT | High Wind Watch | CYS | 47 hr |
| Mar 16, 3:52 PM MDT | High Wind Warning | CYS | 35 hr |
| Mar 17, 4:59 AM MDT | Winter Weather Advisory | CYS | 31 hr |
| Mar 19, 5:56 PM MDT | High Wind Warning | CYS | 4 hr |
| Mar 30, 3:00 PM MDT | High Wind Warning | CYS | 26 hr |
| Apr 11, 2:56 PM MDT | Winter Storm Watch | CYS | 22 hr |
| Apr 12, 1:07 PM MDT | Winter Storm Warning | CYS | 34 hr |
| Apr 12, 1:07 PM MDT | Winter Weather Advisory | CYS | 34 hr |
| Apr 22, 4:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 2:56 PM MDT | Winter Storm Watch | CYS | 13 hr |
| Apr 25, 3:11 PM MDT | High Wind Watch | CYS | 54 hr |
| Apr 26, 4:11 AM MDT | Winter Storm Warning | CYS | 41 hr |
| Apr 26, 9:18 PM MDT | Special Weather Statement | CYS | 57 min |
| Apr 27, 3:52 AM MDT | High Wind Warning | CYS | 64 hr |
| Apr 27, 5:59 AM MDT | Winter Weather Advisory | CYS | 24 hr |
| May 6, 5:21 PM MDT | Special Weather Statement | CYS | 24 min |
| May 6, 5:54 PM MDT | Special Weather Statement | CYS | 51 min |
| May 6, 6:06 PM MDT | Mesoscale Discussion | SPC | 54 min |
| May 6, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| May 6, 8:20 PM MDT | Special Weather Statement | CYS | 40 min |
| May 6, 9:11 PM MDT | Severe Thunderstorm Warning | CYS | 49 min |
| May 7, 3:45 AM MDT | Flash Flood Watch | CYS | 16 hr |
| May 7, 11:59 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 12:37 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 7, 2:49 PM MDT | Special Weather Statement | CYS | 26 min |
| May 7, 3:18 PM MDT | Special Weather Statement | CYS | 27 min |
| May 7, 3:37 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| May 7, 4:05 PM MDT | Mesoscale Discussion | SPC | 85 min |
| May 7, 4:15 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| May 7, 6:34 PM MDT | Mesoscale Discussion | SPC | 56 min |
| May 9, 4:03 AM MDT | Winter Storm Watch | CYS | 34 hr |
| May 10, 1:48 PM MDT | Winter Storm Warning | CYS | 43 hr |
| May 10, 1:48 PM MDT | Winter Weather Advisory | CYS | 43 hr |
| May 17, 2:30 PM MDT | Special Weather Statement | CYS | 45 min |
| May 17, 2:49 PM MDT | Special Weather Statement | CYS | 56 min |
| May 17, 4:40 PM MDT | Special Weather Statement | CYS | 50 min |
| May 17, 5:32 PM MDT | Special Weather Statement | CYS | 58 min |
| May 17, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | 60 min |
| May 19, 6:12 PM MDT | Severe Thunderstorm Warning | CYS | 63 min |
| May 19, 6:54 PM MDT | Special Weather Statement | CYS | 51 min |
| May 20, 2:08 PM MDT | Mesoscale Discussion | SPC | 67 min |
| May 20, 2:31 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 20, 4:50 PM MDT | Mesoscale Discussion | SPC | 85 min |
| May 21, 12:09 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 21, 12:34 PM MDT | Tornado Watch | SPC | 8 hr |
| May 22, 12:07 PM MDT | Mesoscale Discussion | SPC | 83 min |
| May 22, 12:34 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 23, 11:00 PM MDT | Areal Flood Advisory | CYS | 6 hr |
| May 25, 6:14 PM MDT | Special Weather Statement | CYS | 31 min |
| May 25, 6:22 PM MDT | Special Weather Statement | CYS | 23 min |
| May 25, 6:48 PM MDT | Special Weather Statement | CYS | 27 min |
| May 26, 4:06 PM MDT | Flash Flood Warning | CYS | 6 hr |
| May 27, 7:18 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| May 27, 7:23 PM MDT | Severe Thunderstorm Warning | CYS | 67 min |
| May 27, 8:07 PM MDT | Special Weather Statement | CYS | 53 min |
| May 27, 8:25 PM MDT | Special Weather Statement | CYS | 65 min |
| May 27, 8:37 PM MDT | Special Weather Statement | CYS | 53 min |
| May 29, 1:54 PM MDT | Mesoscale Discussion | SPC | 96 min |
| May 29, 3:43 PM MDT | Special Weather Statement | CYS | 62 min |
| May 29, 4:14 PM MDT | Special Weather Statement | CYS | 46 min |
| May 29, 5:05 PM MDT | Special Weather Statement | CYS | 40 min |
| May 30, 3:53 AM MDT | Flash Flood Watch | CYS | 17 hr |
| May 31, 1:34 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 31, 4:01 PM MDT | Special Weather Statement | CYS | 44 min |
| May 31, 4:40 PM MDT | Special Weather Statement | CYS | 50 min |
| Jun 1, 5:10 PM MDT | Special Weather Statement | CYS | 35 min |
| Jun 4, 1:44 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 4, 6:56 PM MDT | Special Weather Statement | CYS | 49 min |
| Jun 6, 1:40 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| Jun 6, 6:09 PM MDT | Special Weather Statement | CYS | 36 min |
| Jun 6, 6:39 PM MDT | Severe Thunderstorm Warning | CYS | 36 min |
| Jun 6, 7:17 PM MDT | Special Weather Statement | CYS | 28 min |
| Jun 6, 9:11 PM MDT | Dense Fog Advisory | CYS | 12 hr |
| Jun 8, 2:12 AM MDT | Dense Fog Advisory | CYS | 7 hr |
| Jun 8, 11:21 AM MDT | Special Weather Statement | CYS | 39 min |
| Jun 8, 12:53 PM MDT | Flash Flood Warning | CYS | 6 hr |
| Jun 8, 12:57 PM MDT | Tornado Warning | CYS | 33 min |
| Jun 10, 2:48 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jun 10, 3:54 PM MDT | Special Weather Statement | CYS | 36 min |
| Jun 14, 2:29 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 14, 3:09 PM MDT | Severe Thunderstorm Warning | CYS | 51 min |
| Jun 21, 2:38 PM MDT | Special Weather Statement | CYS | 37 min |
| Jun 21, 2:44 PM MDT | Special Weather Statement | CYS | 31 min |
| Jun 21, 3:01 PM MDT | Special Weather Statement | CYS | 44 min |
| Jun 22, 1:22 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jun 22, 5:33 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 22, 5:56 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 22, 6:25 PM MDT | Severe Thunderstorm Warning | CYS | 50 min |
| Jun 22, 8:38 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 23, 1:39 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 4:06 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 4:57 PM MDT | Special Weather Statement | CYS | 48 min |
| Jun 23, 5:08 PM MDT | Severe Thunderstorm Warning | CYS | 52 min |
| Jun 23, 5:52 PM MDT | Severe Thunderstorm Warning | CYS | 38 min |
| Jun 23, 6:14 PM MDT | Severe Thunderstorm Warning | CYS | 46 min |
| Jun 23, 6:30 PM MDT | Special Weather Statement | CYS | 60 min |
| Jun 23, 7:03 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jun 23, 7:50 PM MDT | Special Weather Statement | CYS | 40 min |
| Jun 24, 2:37 PM MDT | Special Weather Statement | CYS | 38 min |
| Jun 24, 2:44 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 24, 3:09 PM MDT | Special Weather Statement | CYS | 51 min |
| Jun 24, 4:05 PM MDT | Special Weather Statement | CYS | 40 min |
| Jun 24, 4:14 PM MDT | Severe Thunderstorm Warning | CYS | 46 min |
| Jun 24, 4:55 PM MDT | Special Weather Statement | CYS | 50 min |
| Jun 24, 5:00 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jun 24, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | 27 min |
| Jun 24, 7:13 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jun 24, 8:45 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jun 24, 9:25 PM MDT | Severe Thunderstorm Warning | CYS | 50 min |
| Jun 24, 10:15 PM MDT | Severe Thunderstorm Warning | CYS | 26 min |
| Jun 24, 10:21 PM MDT | Special Weather Statement | CYS | 39 min |
| Jun 24, 10:58 PM MDT | Special Weather Statement | CYS | 32 min |
| Jun 24, 11:36 PM MDT | Areal Flood Advisory | CYS | 6 hr |
| Jun 25, 12:58 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 1:47 PM MDT | Special Weather Statement | CYS | 43 min |
| Jun 25, 1:50 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 25, 2:00 PM MDT | Tornado Warning | CYS | 30 min |
| Jun 25, 2:45 PM MDT | Severe Thunderstorm Warning | CYS | 45 min |
| Jun 25, 3:40 PM MDT | Special Weather Statement | CYS | 50 min |
| Jun 25, 3:51 PM MDT | Severe Thunderstorm Warning | CYS | 39 min |
| Jun 26, 2:07 PM MDT | Mesoscale Discussion | SPC | 53 min |
| Jun 26, 3:01 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 26, 4:46 PM MDT | Special Weather Statement | CYS | 44 min |
| Jun 26, 5:21 PM MDT | Special Weather Statement | CYS | 39 min |
| Jun 26, 5:38 PM MDT | Severe Thunderstorm Warning | CYS | 67 min |
| Jun 26, 5:48 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jun 26, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jun 26, 7:17 PM MDT | Special Weather Statement | CYS | 43 min |
| Jun 26, 7:38 PM MDT | Severe Thunderstorm Warning | CYS | 67 min |
| Jun 26, 8:21 PM MDT | Special Weather Statement | CYS | 39 min |
| Jun 26, 8:35 PM MDT | Special Weather Statement | CYS | 40 min |
| Jun 26, 8:37 PM MDT | Areal Flood Advisory | CYS | 6 hr |
| Jun 26, 9:36 PM MDT | Special Weather Statement | CYS | 39 min |
| Jun 27, 12:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jun 27, 12:15 PM MDT | Special Weather Statement | CYS | 45 min |
| Jun 27, 12:48 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jun 27, 12:48 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 27, 1:06 PM MDT | Special Weather Statement | CYS | 24 min |
| Jun 27, 1:20 PM MDT | Severe Thunderstorm Warning | CYS | 40 min |
| Jun 27, 1:56 PM MDT | Special Weather Statement | CYS | 49 min |
| Jun 27, 2:21 PM MDT | Flash Flood Warning | CYS | 4 hr |
| Jun 27, 2:28 PM MDT | Special Weather Statement | CYS | 47 min |
| Jun 27, 5:47 PM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 3, 4:22 PM MDT | Special Weather Statement | CYS | 38 min |
| Jul 3, 4:38 PM MDT | Special Weather Statement | CYS | 52 min |
| Jul 3, 5:23 PM MDT | Special Weather Statement | CYS | 37 min |
| Jul 3, 5:54 PM MDT | Special Weather Statement | CYS | 51 min |
| Jul 3, 6:38 PM MDT | Special Weather Statement | CYS | 52 min |
| Jul 3, 6:43 PM MDT | Special Weather Statement | CYS | 47 min |
| Jul 7, 2:53 PM MDT | Special Weather Statement | CYS | 52 min |
| Jul 7, 3:13 PM MDT | Severe Thunderstorm Warning | CYS | 47 min |
| Jul 9, 3:16 PM MDT | Special Weather Statement | CYS | 44 min |
| Jul 9, 3:28 PM MDT | Special Weather Statement | CYS | 47 min |
| Jul 9, 3:32 PM MDT | Severe Thunderstorm Warning | CYS | 43 min |
| Jul 9, 4:11 PM MDT | Severe Thunderstorm Warning | CYS | 64 min |
| Jul 9, 4:43 PM MDT | Special Weather Statement | CYS | 47 min |
| Jul 9, 5:24 PM MDT | Special Weather Statement | CYS | 51 min |
| Jul 9, 5:32 PM MDT | Severe Thunderstorm Warning | CYS | 29 min |
| Jul 9, 6:03 PM MDT | Special Weather Statement | CYS | 42 min |
| Jul 9, 6:40 PM MDT | Special Weather Statement | CYS | 50 min |
| Jul 10, 2:37 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 11, 1:25 PM MDT | Special Weather Statement | CYS | 35 min |
| Jul 11, 1:58 PM MDT | Special Weather Statement | CYS | 47 min |
| Jul 11, 3:06 PM MDT | Special Weather Statement | CYS | 39 min |
| Jul 13, 12:39 PM MDT | Special Weather Statement | CYS | 66 min |
| Jul 13, 12:53 PM MDT | Severe Thunderstorm Warning | CYS | 67 min |
| Jul 13, 1:06 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jul 13, 1:11 PM MDT | Severe Thunderstorm Warning | CYS | 28 min |
| Jul 13, 1:22 PM MDT | Tornado Warning | CYS | 38 min |
| Jul 13, 1:42 PM MDT | Flash Flood Warning | CYS | 3 hr |
| Jul 13, 1:55 PM MDT | Severe Thunderstorm Warning | CYS | 27 min |
| Jul 13, 2:00 PM MDT | Special Weather Statement | CYS | 60 min |
| Jul 13, 5:48 PM MDT | Severe Thunderstorm Warning | CYS | 42 min |
| Jul 13, 6:28 PM MDT | Severe Thunderstorm Warning | CYS | 15 min |
| Jul 14, 7:09 PM MDT | Special Weather Statement | CYS | 51 min |
| Jul 15, 1:29 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 15, 2:39 PM MDT | Special Weather Statement | CYS | 51 min |
| Jul 15, 3:05 PM MDT | Special Weather Statement | CYS | 40 min |
| Jul 15, 8:26 PM MDT | Mesoscale Discussion | SPC | 34 min |
| Jul 15, 8:34 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 15, 9:43 PM MDT | Special Weather Statement | CYS | 47 min |
| Jul 15, 9:51 PM MDT | Severe Thunderstorm Warning | CYS | 39 min |
| Jul 15, 10:33 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 16, 1:29 PM MDT | Special Weather Statement | CYS | 46 min |
| Jul 22, 4:56 PM MDT | Special Weather Statement | CYS | 34 min |
| Jul 22, 5:18 PM MDT | Severe Thunderstorm Warning | CYS | 57 min |
| Jul 22, 6:14 PM MDT | Severe Thunderstorm Warning | CYS | 25 min |
| Jul 23, 2:15 PM MDT | Mesoscale Discussion | SPC | 60 min |
| Jul 24, 3:41 PM MDT | Special Weather Statement | CYS | 34 min |
| Jul 29, 3:02 AM MDT | Flash Flood Watch | CYS | 24 hr |
| Jul 29, 12:48 PM MDT | Flash Flood Warning | CYS | 6 hr |
| Jul 29, 5:50 PM MDT | Special Weather Statement | CYS | 55 min |
| Jul 29, 6:23 PM MDT | Areal Flood Advisory | CYS | 3 hr |
| Jul 29, 8:48 PM MDT | Areal Flood Advisory | CYS | 3 hr |
| Aug 18, 2:21 PM MDT | Special Weather Statement | CYS | 24 min |
| Aug 18, 2:48 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Aug 18, 2:54 PM MDT | Special Weather Statement | CYS | 51 min |
| Aug 18, 3:30 PM MDT | Special Weather Statement | CYS | 45 min |
| Aug 18, 4:12 PM MDT | Severe Thunderstorm Warning | CYS | 33 min |
| Aug 18, 4:22 PM MDT | Special Weather Statement | CYS | 38 min |
| Aug 18, 5:55 PM MDT | Severe Thunderstorm Warning | CYS | 35 min |
| Aug 18, 7:57 PM MDT | Special Weather Statement | CYS | 33 min |
| Aug 18, 8:29 PM MDT | Special Weather Statement | CYS | 31 min |
| Aug 18, 8:59 PM MDT | Special Weather Statement | CYS | 31 min |
| Aug 19, 2:21 PM MDT | Special Weather Statement | CYS | 24 min |
| Aug 22, 5:26 PM MDT | Special Weather Statement | CYS | 34 min |
| Aug 23, 1:07 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Aug 25, 3:19 PM MDT | Special Weather Statement | CYS | 26 min |
| Aug 25, 4:12 PM MDT | Special Weather Statement | CYS | 33 min |
| Aug 26, 2:12 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 26, 5:14 PM MDT | Special Weather Statement | CYS | 31 min |
| Aug 27, 10:57 AM MDT | Flash Flood Warning | CYS | 6 hr |
| Aug 27, 4:30 PM MDT | Special Weather Statement | CYS | 30 min |
| Aug 27, 5:00 PM MDT | Special Weather Statement | CYS | 30 min |
| Aug 29, 6:50 PM MDT | Special Weather Statement | CYS | 40 min |
| Aug 29, 7:29 PM MDT | Special Weather Statement | CYS | 46 min |
| Aug 30, 4:54 PM MDT | Special Weather Statement | CYS | 51 min |
| Aug 30, 5:02 PM MDT | Severe Thunderstorm Warning | CYS | 43 min |
| Sep 6, 3:43 AM MDT | Dense Fog Advisory | CYS | 3 hr |
| Sep 11, 2:48 AM MDT | Freeze Warning | CYS | 30 hr |
| Sep 11, 11:27 AM MDT | Frost Advisory | CYS | 22 hr |
| Sep 14, 2:22 PM MDT | Special Weather Statement | CYS | 23 min |
| Sep 14, 3:32 PM MDT | Special Weather Statement | CYS | 28 min |
| Sep 17, 3:43 PM MDT | Special Weather Statement | CYS | 62 min |
| Sep 29, 3:25 AM MDT | High Wind Warning | CYS | 29 hr |
| Sep 29, 2:01 PM MDT | Tornado Watch | SPC | 7 hr |
| Sep 29, 4:52 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Nov 2, 1:55 AM MST | Winter Weather Advisory | CYS | 35 hr |
| Nov 3, 3:27 PM MST | High Wind Watch | CYS | 11 hr |
| Nov 4, 2:47 AM MST | High Wind Warning | CYS | 27 hr |
| Nov 6, 3:38 AM MST | High Wind Watch | CYS | 10 hr |
| Nov 6, 1:42 PM MST | High Wind Warning | CYS | 21 hr |
| Nov 8, 3:39 AM MST | High Wind Watch | CYS | 10 hr |
| Nov 8, 1:51 PM MST | High Wind Warning | CYS | 37 hr |
| Nov 11, 3:31 AM MST | Winter Weather Advisory | CYS | 18 hr |
| Nov 11, 2:30 PM MST | Wind Chill Warning | CYS | 20 hr |
| Nov 11, 2:30 PM MST | Wind Chill Advisory | CYS | 20 hr |
| Nov 12, 2:01 PM MST | Wind Chill Advisory | CYS | 19 hr |
| Nov 13, 4:03 AM MST | Wind Chill Warning | CYS | 5 hr |
| Nov 14, 1:28 AM MST | Winter Weather Advisory | CYS | 34 hr |
| Nov 15, 3:20 PM MST | Wind Chill Advisory | CYS | 17 hr |
| Nov 17, 3:14 PM MST | High Wind Watch | CYS | 11 hr |
| Nov 18, 2:02 AM MST | High Wind Warning | CYS | 16 hr |
| Nov 21, 4:29 AM MST | High Wind Watch | CYS | 10 hr |
| Nov 21, 2:49 PM MST | High Wind Watch | CYS | 12 hr |
| Nov 21, 2:49 PM MST | High Wind Warning | CYS | 30 hr |
| Nov 23, 1:41 PM MST | High Wind Watch | CYS | 7 hr |
| Nov 24, 2:44 AM MST | High Wind Watch | CYS | 13 hr |
| Nov 24, 1:49 PM MST | Special Weather Statement | CYS | 41 min |
| Nov 24, 2:33 PM MST | Special Weather Statement | CYS | 57 min |
| Nov 24, 4:03 PM MST | High Wind Warning | CYS | 3 days |
| Nov 25, 11:39 AM MST | Winter Weather Advisory | CYS | 23 hr |
| Nov 28, 2:42 AM MST | High Wind Watch | CYS | 8 hr |
| Nov 28, 10:52 AM MST | High Wind Warning | CYS | 33 hr |
| Nov 30, 12:56 PM MST | Winter Weather Advisory | CYS | 14 hr |
| Dec 1, 2:21 PM MST | High Wind Warning | CYS | 20 hr |
| Dec 19, 2:59 AM MST | High Wind Watch | CYS | 23 hr |
| Dec 20, 2:25 AM MST | High Wind Warning | CYS | 43 hr |
| Dec 22, 3:49 AM MST | High Wind Watch | CYS | 10 hr |
| Dec 22, 1:28 PM MST | High Wind Warning | CYS | 22 hr |
| Dec 22, 3:58 PM MST | Special Weather Statement | CYS | 47 min |
| Dec 22, 4:34 PM MST | Special Weather Statement | CYS | 41 min |
| Dec 22, 5:28 PM MST | Special Weather Statement | CYS | 47 min |
| Dec 23, 2:06 PM MST | High Wind Watch | CYS | 12 hr |
| Dec 24, 2:29 AM MST | High Wind Warning | CYS | 18 hr |
| Dec 24, 4:59 AM MST | Winter Storm Watch | CYS | 9 hr |
| Dec 24, 1:50 PM MST | Winter Storm Warning | CYS | 38 hr |
| Dec 26, 4:13 AM MST | High Wind Watch | CYS | 10 hr |
| Dec 26, 2:09 PM MST | High Wind Warning | CYS | 45 hr |
| Dec 28, 2:45 AM MST | Winter Weather Advisory | CYS | 38 hr |
| Dec 29, 2:53 AM MST | Wind Chill Warning | CYS | 55 hr |
| Dec 29, 2:53 AM MST | Wind Chill Advisory | CYS | 33 hr |
| Dec 30, 2:25 AM MST | Wind Chill Warning | CYS | 32 hr |
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 | 44 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 12 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 103 |
| Flooding | |
| Flash Flood Warning | 6 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Storm Warning | 7 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 18 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Warning | 7 |
| Frost Advisory | 1 |
| Wind Chill Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 36 |
| High Wind Watch | 27 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.