Alert archive / Arizona / Pima County
Weather alerts in Pima County, Arizona, 2015
302 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Pima County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 302
- Warnings
- 114
- Watches
- 14
- Advisories
- 129
- Busiest month
- August94 alerts
- Busiest day
- July 1, 201520 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Pima County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 61 | 19 | 69% | 60 | 55% | 17 min |
| Flash flood warnings | 30 | 3 | 90% | 5 | 60% | 63 min |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tucson, AZ: tornado warnings | 1 | 0 | 100% | 1 | 0% | |
| NWS Tucson, AZ: severe thunderstorm warnings | 123 | 29 | 76% | 80 | 55% | 16 min |
| NWS Tucson, AZ: flash flood warnings | 51 | 6 | 88% | 10 | 60% | 43 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 |
|---|---|---|---|
| Dec 31, 9:07 PM MST | Hard Freeze Warning | TWC | 36 hr |
| Jan 1, 1:01 AM MST | Frost Advisory | TWC | 8 hr |
| Jan 1, 5:20 AM MST | Hard Freeze Warning | TWC | 52 hr |
| Jan 9, 1:34 AM MST | Dense Fog Advisory | TWC | 7 hr |
| Jan 14, 4:36 AM MST | Dense Fog Advisory | TWC | 5 hr |
| Jan 28, 3:32 AM MST | Winter Storm Watch | TWC | 33 hr |
| Jan 29, 12:37 PM MST | Winter Storm Warning | TWC | 52 hr |
| Jan 30, 3:19 AM MST | Areal Flood Advisory | TWC | 5 hr |
| Jan 30, 3:09 PM MST | Areal Flood Advisory | TWC | 111 min |
| Jan 30, 3:56 PM MST | Areal Flood Warning | TWC | 20 hr |
| Jan 30, 5:00 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Jan 30, 7:05 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jan 31, 6:02 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Feb 1, 1:29 AM MST | Dense Fog Advisory | TWC | 11 hr |
| Feb 11, 2:36 PM MST | Wind Advisory | TWC | 25 hr |
| Mar 1, 8:11 PM MST | Winter Weather Advisory | TWC | 25 hr |
| Mar 2, 2:59 AM MST | Wind Advisory | TWC | 16 hr |
| Mar 15, 10:23 AM MST | Wind Advisory | TWC | 5 hr |
| Mar 19, 1:13 PM MST | Special Weather Statement | TWC | 47 min |
| Mar 19, 2:45 PM MST | Special Weather Statement | TWC | 30 min |
| Mar 19, 6:11 PM MST | Special Weather Statement | TWC | 49 min |
| Mar 19, 7:08 PM MST | Areal Flood Advisory | TWC | 112 min |
| Apr 4, 3:14 PM MST | Fire Weather Watch | TWC | 24 hr |
| Apr 5, 2:56 PM MST | Red Flag Warning | TWC | 29 hr |
| Apr 5, 2:56 PM MST | Red Flag Warning | TWC | 53 hr |
| Apr 14, 4:03 AM MST | Red Flag Warning | TWC | 41 hr |
| Apr 16, 2:28 AM MST | Freeze Warning | TWC | 30 hr |
| May 4, 5:47 PM MST | Special Weather Statement | TWC | 28 min |
| May 13, 1:15 PM MST | Wind Advisory | TWC | 30 hr |
| May 13, 1:15 PM MST | Wind Advisory | TWC | 53 hr |
| Jun 19, 2:20 AM MST | Excessive Heat Warning | TWC | 40 hr |
| Jun 24, 12:47 PM MST | Severe Thunderstorm Warning | TWC | 28 min |
| Jun 27, 4:20 AM MST | Blowing Dust Advisory | TWC | 16 hr |
| Jun 27, 2:01 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Jun 27, 3:11 PM MST | Severe Thunderstorm Warning | TWC | 49 min |
| Jun 27, 4:49 PM MST | Special Weather Statement | TWC | 26 min |
| Jun 27, 5:23 PM MST | Special Weather Statement | TWC | 37 min |
| Jun 28, 12:13 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 28, 12:17 PM MST | Mesoscale Discussion | SPC | 58 min |
| Jun 28, 1:47 PM MST | Blowing Dust Advisory | TWC | 5 hr |
| Jun 28, 1:56 PM MST | Special Weather Statement | TWC | 49 min |
| Jun 29, 2:09 PM MST | Special Weather Statement | TWC | 36 min |
| Jun 29, 2:29 PM MST | Severe Thunderstorm Warning | TWC | 46 min |
| Jun 29, 3:00 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Jun 29, 3:13 PM MST | Severe Thunderstorm Warning | TWC | 47 min |
| Jun 29, 3:30 PM MST | Severe Thunderstorm Warning | TWC | 45 min |
| Jun 29, 3:32 PM MST | Mesoscale Discussion | SPC | 88 min |
| Jun 29, 4:16 PM MST | Severe Thunderstorm Warning | TWC | 44 min |
| Jun 29, 4:22 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Jun 29, 4:25 PM MST | Areal Flood Advisory | TWC | 110 min |
| Jun 29, 4:40 PM MST | Blowing Dust Advisory | TWC | 80 min |
| Jun 29, 4:51 PM MST | Areal Flood Advisory | TWC | 114 min |
| Jun 29, 5:00 PM MST | Severe Thunderstorm Warning | TWC | 45 min |
| Jun 29, 5:44 PM MST | Special Weather Statement | TWC | 31 min |
| Jun 29, 6:10 PM MST | Blowing Dust Advisory | TWC | 110 min |
| Jun 30, 5:19 PM MST | Severe Thunderstorm Warning | TWC | 41 min |
| Jun 30, 5:54 PM MST | Severe Thunderstorm Warning | TWC | 20 min |
| Jun 30, 6:47 PM MST | Severe Thunderstorm Warning | TWC | 43 min |
| Jun 30, 6:51 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 30, 7:27 PM MST | Severe Thunderstorm Warning | TWC | 63 min |
| Jun 30, 7:49 PM MST | Severe Thunderstorm Warning | TWC | 26 min |
| Jun 30, 7:55 PM MST | Special Weather Statement | TWC | 35 min |
| Jun 30, 8:07 PM MST | Mesoscale Discussion | SPC | 83 min |
| Jun 30, 8:21 PM MST | Severe Thunderstorm Warning | TWC | 54 min |
| Jun 30, 8:27 PM MST | Severe Thunderstorm Warning | TWC | 43 min |
| Jun 30, 8:44 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 30, 9:10 PM MST | Severe Thunderstorm Warning | TWC | 35 min |
| Jun 30, 9:49 PM MST | Severe Thunderstorm Warning | TWC | 56 min |
| Jun 30, 10:44 PM MST | Severe Thunderstorm Warning | TWC | 46 min |
| Jun 30, 11:31 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jun 30, 11:36 PM MST | Special Weather Statement | TWC | 39 min |
| Jul 1, 1:05 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 1:53 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Jul 1, 2:56 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 1, 4:27 PM MST | Areal Flood Advisory | TWC | 108 min |
| Jul 5, 11:58 AM MST | Areal Flood Advisory | TWC | 107 min |
| Jul 5, 1:04 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 5, 1:51 PM MST | Areal Flood Advisory | TWC | 54 min |
| Jul 5, 1:52 PM MST | Severe Thunderstorm Warning | TWC | 23 min |
| Jul 5, 2:14 PM MST | Flash Flood Warning | TWC | 2 hr |
| Jul 5, 4:02 PM MST | Areal Flood Advisory | TWC | 118 min |
| Jul 5, 4:09 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 12, 2:54 PM MST | Severe Thunderstorm Warning | TWC | 23 min |
| Jul 13, 1:35 PM MST | Areal Flood Advisory | TWC | 115 min |
| Jul 14, 3:52 PM MST | Areal Flood Advisory | TWC | 113 min |
| Jul 15, 4:32 PM MST | Special Weather Statement | TWC | 28 min |
| Jul 15, 7:33 PM MST | Special Weather Statement | TWC | 42 min |
| Jul 15, 8:18 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 16, 2:41 PM MST | Flash Flood Watch | TWC | 54 hr |
| Jul 16, 5:02 PM MST | Areal Flood Advisory | TWC | 118 min |
| Jul 16, 5:48 PM MST | Severe Thunderstorm Warning | TWC | 27 min |
| Jul 16, 6:07 PM MST | Areal Flood Advisory | TWC | 113 min |
| Jul 16, 6:20 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 16, 6:57 PM MST | Special Weather Statement | TWC | 48 min |
| Jul 16, 7:17 PM MST | Flash Flood Warning | TWC | 118 min |
| Jul 16, 9:18 PM MST | Areal Flood Advisory | TWC | 4 hr |
| Jul 17, 3:50 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 17, 5:22 PM MST | Severe Thunderstorm Warning | TWC | 23 min |
| Jul 17, 5:49 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 17, 6:06 PM MST | Flash Flood Warning | TWC | 114 min |
| Jul 17, 7:13 PM MST | Special Weather Statement | TWC | 47 min |
| Jul 17, 7:34 PM MST | Flash Flood Warning | TWC | 116 min |
| Jul 17, 8:00 PM MST | Flash Flood Warning | TWC | 3 hr |
| Jul 17, 9:45 PM MST | Areal Flood Advisory | TWC | 6 hr |
| Jul 18, 11:38 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 18, 1:00 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 18, 2:08 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 18, 3:48 PM MST | Areal Flood Advisory | TWC | 117 min |
| Jul 18, 5:46 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 18, 10:20 PM MST | Areal Flood Warning | TWC | 9 hr |
| Jul 19, 4:59 PM MST | Areal Flood Advisory | TWC | 61 min |
| Jul 19, 5:59 PM MST | Areal Flood Advisory | TWC | 61 min |
| Jul 23, 5:20 PM MST | Areal Flood Advisory | TWC | 115 min |
| Jul 23, 8:43 PM MST | Areal Flood Advisory | TWC | 5 hr |
| Jul 28, 2:40 PM MST | Special Weather Statement | TWC | 50 min |
| Jul 28, 3:24 PM MST | Areal Flood Advisory | TWC | 111 min |
| Jul 28, 4:05 PM MST | Areal Flood Advisory | TWC | 115 min |
| Jul 28, 4:45 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Jul 28, 4:52 PM MST | Areal Flood Advisory | TWC | 113 min |
| Jul 28, 4:53 PM MST | Flash Flood Warning | TWC | 82 min |
| Jul 28, 5:02 PM MST | Flash Flood Warning | TWC | 118 min |
| Jul 28, 5:22 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Jul 28, 5:26 PM MST | Flash Flood Warning | TWC | 109 min |
| Jul 28, 5:40 PM MST | Flash Flood Warning | TWC | 2 hr |
| Jul 28, 5:43 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Jul 28, 6:28 PM MST | Flash Flood Warning | TWC | 2 hr |
| Jul 28, 6:51 PM MST | Areal Flood Advisory | TWC | 4 hr |
| Jul 28, 7:01 PM MST | Areal Flood Advisory | TWC | 119 min |
| Jul 29, 4:12 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Jul 29, 4:16 PM MST | Areal Flood Advisory | TWC | 59 min |
| Jul 29, 5:01 PM MST | Areal Flood Advisory | TWC | 59 min |
| Jul 29, 5:35 PM MST | Areal Flood Advisory | TWC | 115 min |
| Jul 29, 7:09 PM MST | Blowing Dust Advisory | TWC | 61 min |
| Jul 31, 1:26 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Jul 31, 2:59 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 31, 6:50 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 1, 12:38 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Aug 1, 1:20 PM MST | Severe Thunderstorm Warning | TWC | 25 min |
| Aug 1, 3:36 PM MST | Areal Flood Advisory | TWC | 114 min |
| Aug 1, 3:55 PM MST | Severe Thunderstorm Warning | TWC | 35 min |
| Aug 1, 3:58 PM MST | Flash Flood Warning | TWC | 92 min |
| Aug 1, 5:19 PM MST | Areal Flood Advisory | TWC | 116 min |
| Aug 7, 11:05 AM MST | Severe Thunderstorm Warning | TWC | 40 min |
| Aug 7, 11:16 AM MST | Flash Flood Warning | TWC | 119 min |
| Aug 7, 12:01 PM MST | Mesoscale Discussion | SPC | 89 min |
| Aug 7, 12:48 PM MST | Severe Thunderstorm Warning | TWC | 27 min |
| Aug 7, 1:08 PM MST | Flash Flood Warning | TWC | 97 min |
| Aug 7, 2:05 PM MST | Areal Flood Advisory | TWC | 115 min |
| Aug 7, 2:40 PM MST | Flash Flood Warning | TWC | 3 hr |
| Aug 7, 2:43 PM MST | Severe Thunderstorm Warning | TWC | 15 min |
| Aug 7, 3:53 PM MST | Flash Flood Warning | TWC | 3 hr |
| Aug 7, 4:38 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 7, 7:45 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 7, 10:17 PM MST | Areal Flood Advisory | TWC | 118 min |
| Aug 7, 10:44 PM MST | Flash Flood Warning | TWC | 3 hr |
| Aug 8, 1:03 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 8, 4:04 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 8, 12:27 PM MST | Mesoscale Discussion | SPC | 93 min |
| Aug 8, 3:52 PM MST | Areal Flood Advisory | TWC | 53 min |
| Aug 9, 1:53 PM MST | Areal Flood Advisory | TWC | 112 min |
| Aug 9, 4:55 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 9, 5:32 PM MST | Flash Flood Warning | TWC | 118 min |
| Aug 11, 7:49 AM MST | Areal Flood Advisory | TWC | 116 min |
| Aug 11, 6:31 PM MST | Flash Flood Warning | TWC | 89 min |
| Aug 11, 7:11 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 11, 7:27 PM MST | Severe Thunderstorm Warning | TWC | 33 min |
| Aug 11, 7:47 PM MST | Severe Thunderstorm Warning | TWC | 28 min |
| Aug 11, 7:53 PM MST | Areal Flood Advisory | TWC | 112 min |
| Aug 11, 7:59 PM MST | Flash Flood Warning | TWC | 2 hr |
| Aug 11, 8:07 PM MST | Severe Thunderstorm Warning | TWC | 23 min |
| Aug 12, 3:53 PM MST | Areal Flood Advisory | TWC | 112 min |
| Aug 12, 4:22 PM MST | Areal Flood Advisory | TWC | 113 min |
| Aug 12, 4:39 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 13, 3:00 PM MST | Excessive Heat Watch | TWC | 11 hr |
| Aug 13, 3:00 PM MST | Excessive Heat Watch | TWC | 11 hr |
| Aug 14, 2:28 AM MST | Excessive Heat Warning | TWC | 18 hr |
| Aug 14, 2:28 AM MST | Excessive Heat Warning | TWC | 42 hr |
| Aug 14, 2:28 AM MST | Excessive Heat Warning | TWC | 66 hr |
| Aug 15, 4:38 PM MST | Special Weather Statement | TWC | 67 min |
| Aug 15, 5:13 PM MST | Areal Flood Advisory | TWC | 107 min |
| Aug 20, 12:43 PM MST | Special Weather Statement | TWC | 32 min |
| Aug 20, 2:47 PM MST | Severe Thunderstorm Warning | TWC | 28 min |
| Aug 20, 3:14 PM MST | Severe Thunderstorm Warning | TWC | 31 min |
| Aug 20, 3:22 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Aug 20, 3:45 PM MST | Severe Thunderstorm Warning | TWC | 30 min |
| Aug 20, 3:48 PM MST | Flash Flood Warning | TWC | 87 min |
| Aug 20, 4:14 PM MST | Severe Thunderstorm Warning | TWC | 46 min |
| Aug 20, 4:25 PM MST | Flash Flood Warning | TWC | 3 hr |
| Aug 20, 4:57 PM MST | Severe Thunderstorm Warning | TWC | 63 min |
| Aug 20, 5:58 PM MST | Severe Thunderstorm Warning | TWC | 32 min |
| Aug 22, 3:18 PM MST | Severe Thunderstorm Warning | TWC | 27 min |
| Aug 22, 3:45 PM MST | Severe Thunderstorm Warning | TWC | 30 min |
| Aug 22, 3:47 PM MST | Severe Thunderstorm Warning | TWC | 43 min |
| Aug 22, 3:55 PM MST | Flash Flood Warning | TWC | 2 hr |
| Aug 22, 3:56 PM MST | Flash Flood Warning | TWC | 2 hr |
| Aug 22, 4:07 PM MST | Severe Thunderstorm Warning | TWC | 53 min |
| Aug 22, 4:32 PM MST | Flash Flood Warning | TWC | 118 min |
| Aug 22, 4:57 PM MST | Special Weather Statement | TWC | 48 min |
| Aug 22, 6:28 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 23, 3:53 PM MST | Severe Thunderstorm Warning | TWC | 22 min |
| Aug 23, 4:29 PM MST | Special Weather Statement | TWC | 31 min |
| Aug 23, 5:05 PM MST | Special Weather Statement | TWC | 40 min |
| Aug 23, 5:32 PM MST | Special Weather Statement | TWC | 43 min |
| Aug 23, 5:50 PM MST | Special Weather Statement | TWC | 25 min |
| Aug 23, 6:12 PM MST | Special Weather Statement | TWC | 48 min |
| Aug 23, 6:54 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 23, 7:13 PM MST | Severe Thunderstorm Warning | TWC | 32 min |
| Aug 23, 7:30 PM MST | Special Weather Statement | TWC | 30 min |
| Aug 23, 7:51 PM MST | Areal Flood Advisory | TWC | 114 min |
| Aug 23, 8:37 PM MST | Areal Flood Advisory | TWC | 113 min |
| Aug 23, 8:43 PM MST | Areal Flood Advisory | TWC | 6 hr |
| Aug 23, 9:06 PM MST | Areal Flood Advisory | TWC | 114 min |
| Aug 23, 9:36 PM MST | Areal Flood Advisory | TWC | 6 hr |
| Aug 24, 1:39 AM MST | Areal Flood Warning | TWC | 6 hr |
| Aug 24, 7:30 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 24, 9:05 PM MST | Special Weather Statement | TWC | 55 min |
| Aug 24, 9:09 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 25, 1:08 AM MST | Areal Flood Advisory | TWC | 112 min |
| Aug 25, 3:32 AM MST | Areal Flood Advisory | TWC | 118 min |
| Aug 25, 1:35 PM MST | Severe Thunderstorm Warning | TWC | 25 min |
| Aug 25, 2:24 PM MST | Severe Thunderstorm Warning | TWC | 36 min |
| Aug 25, 3:05 PM MST | Special Weather Statement | TWC | 40 min |
| Aug 26, 4:10 PM MST | Special Weather Statement | TWC | 50 min |
| Aug 26, 4:37 PM MST | Areal Flood Advisory | TWC | 113 min |
| Aug 26, 5:30 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Aug 27, 4:56 PM MST | Special Weather Statement | TWC | 34 min |
| Aug 29, 4:17 PM MST | Areal Flood Advisory | TWC | 118 min |
| Aug 29, 5:38 PM MST | Special Weather Statement | TWC | 37 min |
| Aug 30, 4:51 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 31, 6:15 PM MST | Special Weather Statement | TWC | 30 min |
| Aug 31, 6:40 PM MST | Severe Thunderstorm Warning | TWC | 35 min |
| Aug 31, 8:04 PM MST | Severe Thunderstorm Warning | TWC | 26 min |
| Aug 31, 8:33 PM MST | Areal Flood Advisory | TWC | 117 min |
| Aug 31, 10:42 PM MST | Areal Flood Advisory | TWC | 108 min |
| Sep 1, 12:34 AM MST | Areal Flood Advisory | TWC | 116 min |
| Sep 1, 12:58 AM MST | Flash Flood Warning | TWC | 3 hr |
| Sep 1, 4:04 AM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 2, 1:15 PM MST | Severe Thunderstorm Warning | TWC | 30 min |
| Sep 2, 5:58 PM MST | Severe Thunderstorm Warning | TWC | 32 min |
| Sep 3, 11:32 AM MST | Special Weather Statement | TWC | 43 min |
| Sep 3, 11:44 AM MST | Areal Flood Advisory | TWC | 61 min |
| Sep 3, 12:09 PM MST | Flash Flood Warning | TWC | 81 min |
| Sep 3, 1:57 PM MST | Severe Thunderstorm Warning | TWC | 33 min |
| Sep 3, 1:59 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 3, 2:07 PM MST | Special Weather Statement | TWC | 23 min |
| Sep 3, 3:46 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 3, 5:06 PM MST | Areal Flood Advisory | TWC | 114 min |
| Sep 12, 3:12 PM MST | Special Weather Statement | TWC | 33 min |
| Sep 12, 3:59 PM MST | Special Weather Statement | TWC | 31 min |
| Sep 12, 5:22 PM MST | Areal Flood Advisory | TWC | 113 min |
| Sep 13, 4:09 PM MST | Areal Flood Advisory | TWC | 111 min |
| Sep 19, 3:44 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Sep 20, 1:34 PM MST | Flash Flood Watch | TWC | 35 hr |
| Sep 21, 11:19 AM MST | Areal Flood Advisory | TWC | 116 min |
| Sep 21, 12:10 PM MST | Flash Flood Warning | TWC | 3 hr |
| Sep 21, 12:33 PM MST | Areal Flood Advisory | TWC | 4 hr |
| Sep 21, 1:27 PM MST | Flash Flood Warning | TWC | 3 hr |
| Sep 21, 1:38 PM MST | Areal Flood Advisory | TWC | 112 min |
| Sep 21, 3:35 PM MST | Flash Flood Warning | TWC | 4 hr |
| Sep 22, 6:35 AM MST | Dense Fog Advisory | TWC | 2 hr |
| Sep 22, 10:51 AM MST | Areal Flood Advisory | TWC | 114 min |
| Sep 22, 11:20 AM MST | Severe Thunderstorm Warning | TWC | 40 min |
| Sep 22, 11:36 AM MST | Areal Flood Advisory | TWC | 114 min |
| Sep 22, 12:36 PM MST | Areal Flood Advisory | TWC | 54 min |
| Sep 22, 2:13 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Sep 22, 2:18 PM MST | Severe Thunderstorm Warning | TWC | 27 min |
| Sep 22, 2:40 PM MST | Severe Thunderstorm Warning | TWC | 35 min |
| Sep 22, 6:18 PM MST | Special Weather Statement | TWC | 42 min |
| Sep 22, 6:42 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Oct 6, 10:36 AM MST | Severe Thunderstorm Warning | TWC | 54 min |
| Oct 6, 10:50 AM MST | Mesoscale Discussion | SPC | 55 min |
| Oct 6, 12:19 PM MST | Severe Thunderstorm Warning | TWC | 26 min |
| Oct 6, 12:26 PM MST | Severe Thunderstorm Warning | TWC | 49 min |
| Oct 6, 12:33 PM MST | Areal Flood Advisory | TWC | 117 min |
| Oct 7, 5:26 AM MST | Areal Flood Advisory | TWC | 2 hr |
| Oct 7, 2:23 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Oct 16, 1:19 PM MST | Severe Thunderstorm Warning | TWC | 41 min |
| Oct 16, 2:05 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Oct 16, 3:17 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Oct 16, 4:34 PM MST | Flash Flood Warning | TWC | 116 min |
| Oct 17, 3:17 AM MST | Areal Flood Advisory | TWC | 118 min |
| Oct 17, 6:14 PM MST | Special Weather Statement | TWC | 46 min |
| Oct 18, 2:05 PM MST | Severe Thunderstorm Warning | TWC | 25 min |
| Nov 4, 2:45 PM MST | Freeze Watch | TWC | 11 hr |
| Nov 5, 2:10 AM MST | Freeze Warning | TWC | 30 hr |
| Nov 11, 9:19 AM MST | Freeze Warning | TWC | 23 hr |
| Nov 11, 9:19 AM MST | Hard Freeze Warning | TWC | 23 hr |
| Nov 15, 12:20 PM MST | Freeze Watch | TWC | 25 hr |
| Nov 15, 12:45 PM MST | Wind Advisory | TWC | 26 hr |
| Nov 16, 1:30 PM MST | Freeze Warning | TWC | 19 hr |
| Nov 29, 2:22 AM MST | Freeze Watch | TWC | 12 hr |
| Nov 29, 2:19 PM MST | Freeze Watch | TWC | 19 hr |
| Nov 29, 2:19 PM MST | Freeze Watch | TWC | 36 hr |
| Nov 29, 2:19 PM MST | Freeze Warning | TWC | 19 hr |
| Nov 30, 9:17 AM MST | Freeze Warning | TWC | 24 hr |
| Dec 11, 6:06 AM MST | Winter Weather Advisory | TWC | 35 hr |
| Dec 14, 2:49 AM MST | Hard Freeze Watch | TWC | 24 hr |
| Dec 15, 2:42 AM MST | Hard Freeze Watch | TWC | 24 hr |
| Dec 15, 2:42 AM MST | Hard Freeze Warning | TWC | 29 hr |
| Dec 16, 2:56 AM MST | Hard Freeze Warning | TWC | 29 hr |
| Dec 25, 2:13 PM MST | Hard Freeze Watch | TWC | 12 hr |
| Dec 26, 2:26 AM MST | Hard Freeze Warning | TWC | 30 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 | 61 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 37 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 30 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 111 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Heat | |
| Excessive Heat Warning | 4 |
| Excessive Heat Watch | 2 |
| Cold | |
| Freeze Warning | 6 |
| Hard Freeze Warning | 6 |
| Freeze Watch | 5 |
| Hard Freeze Watch | 3 |
| Frost Advisory | 1 |
| Wind and dust | |
| Blowing Dust Advisory | 5 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.