Alert archive / Arizona / Pinal County
Weather alerts in Pinal County, Arizona, 2019
355 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Pinal County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 355
- Warnings
- 125
- Watches
- 44
- Advisories
- 106
- Busiest month
- September91 alerts
- Busiest day
- July 23, 201919 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 2 tornado warnings covering Pinal County in 2019 had a tornado report inside them; 0 of 4 tornado reports fell inside a warning.
Pinal County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 4 | 0% | |
| Severe thunderstorm warnings | 46 | 14 | 70% | 9 | 56% | 9 min |
| Flash flood warnings | 19 | 10 | 47% | 6 | 83% | 41 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Phoenix, AZ: tornado warnings | 3 | 1 | 67% | 7 | 14% | 0 min |
| NWS Phoenix, AZ: severe thunderstorm warnings | 80 | 24 | 70% | 73 | 68% | 16 min |
| NWS Phoenix, AZ: flash flood warnings | 123 | 61 | 50% | 115 | 83% | 86 min |
| NWS Tucson, AZ: tornado warnings | 4 | 0 | 100% | 3 | 0% | |
| NWS Tucson, AZ: severe thunderstorm warnings | 128 | 16 | 88% | 39 | 64% | 16 min |
| NWS Tucson, AZ: flash flood warnings | 40 | 11 | 73% | 23 | 78% | 67 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, 7:49 AM MST | Dense Fog Advisory | PSR | 3 hr |
| Jan 1, 1:30 PM MST | Winter Weather Advisory | TWC | 20 hr |
| Jan 4, 2:32 PM MST | Winter Weather Advisory | TWC | 48 hr |
| Jan 6, 3:03 AM MST | Areal Flood Advisory | TWC | 8 hr |
| Jan 7, 12:53 AM MST | Dense Fog Advisory | TWC | 8 hr |
| Jan 7, 3:45 AM MST | Dense Fog Advisory | PSR | 5 hr |
| Jan 16, 4:33 AM MST | Dense Fog Advisory | PSR | 8 hr |
| Jan 20, 2:08 PM MST | Wind Advisory | TWC | 29 hr |
| Feb 4, 3:14 PM MST | Winter Weather Advisory | TWC | 44 hr |
| Feb 5, 4:08 AM MST | Freeze Watch | PSR | 24 hr |
| Feb 6, 2:46 AM MST | Hard Freeze Warning | TWC | 30 hr |
| Feb 6, 2:54 PM MST | Freeze Warning | PSR | 18 hr |
| Feb 12, 2:27 PM MST | Flood Watch | PSR | 69 hr |
| Feb 13, 1:58 PM MST | Flood Watch | TWC | 45 hr |
| Feb 14, 11:23 PM MST | Areal Flood Advisory | TWC | 4 hr |
| Feb 16, 3:49 AM MST | Winter Storm Warning | PSR | 62 hr |
| Feb 16, 3:49 AM MST | Winter Weather Advisory | PSR | 62 hr |
| Feb 16, 2:59 PM MST | Winter Weather Advisory | TWC | 67 hr |
| Feb 17, 1:31 PM MST | Freeze Watch | PSR | 38 hr |
| Feb 18, 3:31 AM MST | Hard Freeze Watch | TWC | 23 hr |
| Feb 19, 2:49 AM MST | Hard Freeze Warning | TWC | 29 hr |
| Feb 19, 2:49 AM MST | Winter Storm Watch | TWC | 25 hr |
| Feb 19, 3:48 AM MST | Winter Storm Watch | PSR | 24 hr |
| Feb 19, 3:55 AM MST | Freeze Warning | PSR | 29 hr |
| Feb 20, 3:31 AM MST | Winter Storm Warning | PSR | 64 hr |
| Feb 20, 3:31 AM MST | Winter Weather Advisory | PSR | 55 hr |
| Feb 20, 3:38 AM MST | Winter Storm Warning | TWC | 64 hr |
| Feb 21, 5:09 PM MST | Areal Flood Advisory | PSR | 12 hr |
| Feb 21, 9:34 PM MST | Areal Flood Warning | PSR | 6 hr |
| Feb 22, 12:05 AM MST | Areal Flood Warning | PSR | 6 hr |
| Feb 22, 5:11 AM MST | Areal Flood Advisory | PSR | 4 hr |
| Feb 22, 6:03 AM MST | Areal Flood Warning | PSR | 3 hr |
| Feb 22, 2:23 PM MST | Freeze Warning | TWC | 19 hr |
| Feb 22, 2:23 PM MST | Hard Freeze Warning | TWC | 19 hr |
| Feb 22, 5:05 PM MST | Special Weather Statement | PSR | 40 min |
| Mar 10, 3:37 AM MST | Winter Storm Watch | TWC | 24 hr |
| Mar 11, 3:31 AM MST | Winter Storm Warning | TWC | 61 hr |
| Mar 12, 1:04 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Mar 12, 2:14 PM MST | Wind Advisory | TWC | 30 hr |
| Mar 12, 4:10 PM MST | Special Weather Statement | PSR | 50 min |
| Mar 12, 5:19 PM MST | Wind Advisory | PSR | 25 hr |
| Mar 12, 5:43 PM MST | Areal Flood Advisory | PSR | 2 hr |
| Apr 8, 2:21 AM MST | Wind Advisory | PSR | 65 hr |
| Apr 8, 2:50 AM MST | High Wind Watch | TWC | 25 hr |
| Apr 8, 3:05 AM MST | Fire Weather Watch | TWC | 25 hr |
| Apr 8, 1:36 PM MST | Fire Weather Watch | TWC | 37 hr |
| Apr 9, 3:31 AM MST | High Wind Warning | TWC | 35 hr |
| Apr 9, 3:31 AM MST | Wind Advisory | TWC | 39 hr |
| Apr 9, 3:38 AM MST | Red Flag Warning | TWC | 39 hr |
| Apr 9, 4:42 AM MST | Fire Weather Watch | PSR | 9 hr |
| Apr 9, 1:26 PM MST | Red Flag Warning | PSR | 8 hr |
| Apr 9, 1:26 PM MST | Red Flag Warning | PSR | 30 hr |
| Apr 9, 2:50 PM MST | Wind Advisory | TWC | 18 hr |
| Apr 10, 3:02 AM MST | Red Flag Warning | TWC | 40 hr |
| Apr 19, 2:59 AM MST | Fire Weather Watch | TWC | 12 hr |
| Apr 19, 2:58 PM MST | Red Flag Warning | TWC | 28 hr |
| Apr 23, 1:19 PM MST | Special Weather Statement | PSR | 41 min |
| Apr 23, 2:21 PM MST | Special Weather Statement | PSR | 39 min |
| Apr 23, 2:38 PM MST | Special Weather Statement | PSR | 52 min |
| Apr 28, 1:04 PM MST | Wind Advisory | TWC | 30 hr |
| Apr 28, 1:09 PM MST | Red Flag Warning | TWC | 30 hr |
| Apr 29, 3:33 PM MST | Blowing Dust Advisory | PSR | 2 hr |
| May 11, 6:23 PM MST | Special Weather Statement | PSR | 37 min |
| May 14, 4:22 PM MST | Wind Advisory | PSR | 67 hr |
| May 15, 2:27 PM MST | Wind Advisory | TWC | 29 hr |
| May 18, 3:52 AM MST | Wind Advisory | PSR | 4 days |
| May 24, 2:25 AM MST | Fire Weather Watch | TWC | 35 hr |
| May 25, 1:50 PM MST | Red Flag Warning | TWC | 28 hr |
| Jun 7, 3:31 AM MST | Excessive Heat Watch | PSR | 71 hr |
| Jun 10, 2:10 AM MST | Excessive Heat Warning | PSR | 4 days |
| Jun 13, 2:13 AM MST | Red Flag Warning | TWC | 17 hr |
| Jun 13, 2:13 AM MST | Red Flag Warning | TWC | 42 hr |
| Jul 12, 2:40 AM MST | Excessive Heat Warning | PSR | 5 days |
| Jul 13, 5:32 PM MST | Areal Flood Advisory | TWC | 118 min |
| Jul 14, 5:12 PM MST | Excessive Heat Warning | TWC | 51 hr |
| Jul 22, 9:00 AM MST | Blowing Dust Advisory | TWC | 12 hr |
| Jul 22, 9:02 AM MST | Blowing Dust Advisory | PSR | 13 hr |
| Jul 22, 3:22 PM MST | Mesoscale Discussion | SPC | 113 min |
| Jul 22, 3:51 PM MST | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 22, 5:52 PM MST | Severe Thunderstorm Warning | PSR | 23 min |
| Jul 22, 6:20 PM MST | Dust Storm Warning | TWC | 25 min |
| Jul 22, 6:23 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Jul 22, 6:25 PM MST | Mesoscale Discussion | SPC | 95 min |
| Jul 22, 6:27 PM MST | Severe Thunderstorm Warning | PSR | 41 min |
| Jul 22, 6:44 PM MST | Special Weather Statement | PSR | 46 min |
| Jul 22, 6:44 PM MST | Severe Thunderstorm Warning | TWC | 31 min |
| Jul 22, 6:48 PM MST | Severe Thunderstorm Warning | TWC | 42 min |
| Jul 22, 6:58 PM MST | Flash Flood Warning | TWC | 3 hr |
| Jul 22, 7:03 PM MST | Dust Storm Advisory | PSR | 57 min |
| Jul 22, 7:05 PM MST | Special Weather Statement | TWC | 25 min |
| Jul 22, 7:18 PM MST | Severe Thunderstorm Warning | PSR | 57 min |
| Jul 22, 7:28 PM MST | Special Weather Statement | TWC | 47 min |
| Jul 22, 7:57 PM MST | Dust Storm Warning | PSR | 63 min |
| Jul 22, 8:13 PM MST | Special Weather Statement | TWC | 47 min |
| Jul 22, 9:02 PM MST | Mesoscale Discussion | SPC | 88 min |
| Jul 23, 11:25 AM MST | Flash Flood Watch | TWC | 9 hr |
| Jul 23, 11:33 AM MST | Flash Flood Watch | PSR | 9 hr |
| Jul 23, 4:50 PM MST | Special Weather Statement | PSR | 25 min |
| Jul 23, 5:44 PM MST | Severe Thunderstorm Warning | PSR | 31 min |
| Jul 23, 6:13 PM MST | Mesoscale Discussion | SPC | 92 min |
| Jul 24, 5:34 PM MST | Areal Flood Advisory | TWC | 86 min |
| Jul 24, 5:52 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Jul 24, 6:02 PM MST | Dust Storm Warning | TWC | 67 min |
| Jul 24, 6:14 PM MST | Dust Storm Warning | PSR | 55 min |
| Jul 24, 7:02 PM MST | Severe Thunderstorm Warning | TWC | 43 min |
| Jul 25, 6:12 PM MST | Severe Thunderstorm Warning | TWC | 48 min |
| Jul 25, 6:30 PM MST | Dust Storm Advisory | TWC | 74 min |
| Jul 25, 6:39 PM MST | Dust Storm Advisory | PSR | 66 min |
| Jul 25, 6:56 PM MST | Severe Thunderstorm Warning | TWC | 49 min |
| Jul 25, 7:14 PM MST | Flash Flood Warning | TWC | 3 hr |
| Jul 26, 3:19 PM MST | Severe Thunderstorm Warning | TWC | 25 min |
| Jul 29, 3:15 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 7:55 PM MST | Dust Storm Advisory | PSR | 65 min |
| Jul 29, 7:55 PM MST | Dust Storm Advisory | TWC | 65 min |
| Jul 29, 8:31 PM MST | Special Weather Statement | TWC | 44 min |
| Jul 29, 9:33 PM MST | Areal Flood Advisory | TWC | 117 min |
| Jul 30, 2:57 AM MST | Flash Flood Watch | TWC | 22 hr |
| Jul 30, 3:34 AM MST | Flash Flood Watch | PSR | 28 hr |
| Jul 30, 2:04 PM MST | Blowing Dust Advisory | PSR | 6 hr |
| Jul 30, 3:00 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 3:43 PM MST | Special Weather Statement | PSR | 47 min |
| Jul 30, 4:36 PM MST | Flash Flood Warning | PSR | 4 hr |
| Jul 30, 5:24 PM MST | Severe Thunderstorm Warning | PSR | 36 min |
| Jul 30, 6:00 PM MST | Special Weather Statement | PSR | 45 min |
| Jul 30, 6:10 PM MST | Flash Flood Warning | PSR | 4 hr |
| Jul 30, 7:35 PM MST | Areal Flood Advisory | PSR | 4 hr |
| Jul 30, 8:40 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Jul 30, 9:32 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Jul 30, 10:21 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Jul 31, 1:36 PM MST | Areal Flood Advisory | TWC | 84 min |
| Jul 31, 3:25 PM MST | Severe Thunderstorm Warning | TWC | 36 min |
| Jul 31, 4:11 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 2, 12:55 PM MST | Excessive Heat Warning | PSR | 3 days |
| Aug 3, 12:55 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 3, 2:39 PM MST | Severe Thunderstorm Warning | PSR | 36 min |
| Aug 3, 9:38 PM MST | Special Weather Statement | PSR | 37 min |
| Aug 5, 5:38 AM MST | Excessive Heat Warning | TWC | 13 hr |
| Aug 5, 5:18 PM MST | Dust Storm Advisory | PSR | 57 min |
| Aug 5, 5:22 PM MST | Dust Storm Advisory | PSR | 83 min |
| Aug 5, 5:57 PM MST | Dust Storm Advisory | PSR | 63 min |
| Aug 5, 6:10 PM MST | Dust Storm Advisory | TWC | 95 min |
| Aug 5, 6:54 PM MST | Dust Storm Warning | PSR | 66 min |
| Aug 7, 4:57 PM MST | Dust Storm Advisory | PSR | 48 min |
| Aug 7, 5:19 PM MST | Dust Storm Advisory | PSR | 56 min |
| Aug 8, 6:38 PM MST | Areal Flood Advisory | PSR | 112 min |
| Aug 9, 8:22 AM MST | Areal Flood Advisory | PSR | 69 min |
| Aug 9, 2:09 PM MST | Flash Flood Watch | TWC | 39 hr |
| Aug 9, 2:52 PM MST | Flash Flood Watch | PSR | 38 hr |
| Aug 10, 2:40 PM MST | Flash Flood Warning | TWC | 3 hr |
| Aug 11, 2:45 AM MST | Excessive Heat Watch | PSR | 36 hr |
| Aug 11, 1:12 PM MST | Excessive Heat Watch | TWC | 25 hr |
| Aug 12, 1:58 PM MST | Excessive Heat Warning | TWC | 4 days |
| Aug 12, 2:17 PM MST | Excessive Heat Warning | PSR | 4 days |
| Aug 16, 1:06 PM MST | Excessive Heat Warning | PSR | 5 days |
| Aug 16, 1:16 PM MST | Excessive Heat Warning | TWC | 5 days |
| Aug 16, 5:08 PM MST | Special Weather Statement | PSR | 37 min |
| Aug 22, 8:07 PM MST | Special Weather Statement | TWC | 23 min |
| Aug 22, 8:43 PM MST | Special Weather Statement | TWC | 47 min |
| Aug 22, 9:04 PM MST | Flash Flood Warning | TWC | 3 hr |
| Aug 22, 9:08 PM MST | Dust Storm Advisory | PSR | 67 min |
| Aug 22, 10:03 PM MST | Special Weather Statement | PSR | 57 min |
| Aug 22, 11:28 PM MST | Special Weather Statement | PSR | 32 min |
| Aug 23, 12:01 AM MST | Special Weather Statement | PSR | 44 min |
| Aug 25, 2:16 PM MST | Excessive Heat Watch | PSR | 24 hr |
| Aug 26, 2:15 PM MST | Excessive Heat Warning | PSR | 54 hr |
| Aug 27, 2:16 PM MST | Excessive Heat Warning | PSR | 4 days |
| Aug 28, 4:10 PM MST | Flash Flood Warning | TWC | 95 min |
| Aug 28, 4:19 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Aug 28, 5:09 PM MST | Severe Thunderstorm Warning | TWC | 51 min |
| Aug 28, 5:40 PM MST | Dust Storm Advisory | TWC | 95 min |
| Aug 28, 6:37 PM MST | Special Weather Statement | PSR | 38 min |
| Aug 28, 6:47 PM MST | Dust Storm Advisory | PSR | 58 min |
| Aug 28, 6:51 PM MST | Dust Storm Advisory | TWC | 54 min |
| Aug 28, 7:52 PM MST | Areal Flood Advisory | TWC | 113 min |
| Aug 28, 8:13 PM MST | Dust Storm Advisory | PSR | 47 min |
| Aug 28, 8:38 PM MST | Special Weather Statement | PSR | 37 min |
| Aug 28, 8:44 PM MST | Severe Thunderstorm Warning | PSR | 31 min |
| Aug 28, 9:22 PM MST | Areal Flood Advisory | PSR | 113 min |
| Aug 28, 10:13 PM MST | Areal Flood Advisory | TWC | 92 min |
| Aug 29, 12:34 AM MST | Areal Flood Advisory | PSR | 4 hr |
| Aug 31, 5:40 PM MST | Severe Thunderstorm Warning | TWC | 50 min |
| Sep 1, 11:07 AM MST | Blowing Dust Advisory | PSR | 11 hr |
| Sep 1, 11:07 AM MST | Blowing Dust Advisory | TWC | 9 hr |
| Sep 1, 12:31 PM MST | Special Weather Statement | PSR | 44 min |
| Sep 1, 1:27 PM MST | Severe Thunderstorm Warning | PSR | 48 min |
| Sep 1, 1:30 PM MST | Special Weather Statement | TWC | 45 min |
| Sep 1, 1:34 PM MST | Mesoscale Discussion | SPC | 116 min |
| Sep 1, 1:48 PM MST | Severe Thunderstorm Warning | TWC | 42 min |
| Sep 1, 2:47 PM MST | Special Weather Statement | PSR | 28 min |
| Sep 1, 2:58 PM MST | Special Weather Statement | PSR | 32 min |
| Sep 1, 3:12 PM MST | Severe Thunderstorm Warning | PSR | 21 min |
| Sep 1, 3:37 PM MST | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 1, 3:45 PM MST | Special Weather Statement | PSR | 45 min |
| Sep 1, 3:58 PM MST | Severe Thunderstorm Warning | PSR | 32 min |
| Sep 1, 4:38 PM MST | Severe Thunderstorm Warning | TWC | 37 min |
| Sep 1, 4:44 PM MST | Areal Flood Advisory | TWC | 91 min |
| Sep 1, 4:51 PM MST | Severe Thunderstorm Warning | PSR | 24 min |
| Sep 1, 5:08 PM MST | Dust Storm Warning | PSR | 67 min |
| Sep 1, 5:13 PM MST | Special Weather Statement | TWC | 32 min |
| Sep 1, 5:40 PM MST | Severe Thunderstorm Warning | PSR | 18 min |
| Sep 1, 5:56 PM MST | Severe Thunderstorm Warning | PSR | 94 min |
| Sep 1, 8:01 PM MST | Special Weather Statement | TWC | 44 min |
| Sep 1, 9:12 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Sep 2, 3:11 AM MST | Excessive Heat Watch | PSR | 24 hr |
| Sep 3, 3:08 AM MST | Excessive Heat Warning | PSR | 41 hr |
| Sep 3, 9:01 PM MST | Special Weather Statement | PSR | 44 min |
| Sep 3, 9:53 PM MST | Special Weather Statement | PSR | 52 min |
| Sep 7, 6:28 PM MST | Severe Thunderstorm Warning | PSR | 32 min |
| Sep 7, 6:57 PM MST | Flash Flood Warning | PSR | 6 hr |
| Sep 10, 6:01 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 10, 6:27 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 14, 8:51 AM MST | Blowing Dust Advisory | PSR | 11 hr |
| Sep 14, 8:58 AM MST | Blowing Dust Advisory | TWC | 11 hr |
| Sep 14, 1:21 PM MST | Mesoscale Discussion | SPC | 114 min |
| Sep 14, 2:22 PM MST | Special Weather Statement | PSR | 53 min |
| Sep 14, 2:44 PM MST | Severe Thunderstorm Watch | SPC | 6 hr |
| Sep 14, 2:47 PM MST | Special Weather Statement | PSR | 58 min |
| Sep 14, 3:41 PM MST | Severe Thunderstorm Warning | PSR | 34 min |
| Sep 14, 3:54 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 14, 4:05 PM MST | Severe Thunderstorm Warning | PSR | 25 min |
| Sep 14, 4:10 PM MST | Dust Storm Warning | PSR | 65 min |
| Sep 14, 4:50 PM MST | Severe Thunderstorm Warning | PSR | 40 min |
| Sep 14, 4:53 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Sep 14, 5:07 PM MST | Dust Storm Warning | PSR | 53 min |
| Sep 14, 5:20 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 16, 1:34 PM MST | Special Weather Statement | PSR | 26 min |
| Sep 16, 1:39 PM MST | Special Weather Statement | TWC | 51 min |
| Sep 16, 1:49 PM MST | Dust Storm Warning | PSR | 41 min |
| Sep 16, 1:52 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Sep 16, 1:52 PM MST | Severe Thunderstorm Warning | TWC | 38 min |
| Sep 16, 1:54 PM MST | Dust Storm Warning | TWC | 66 min |
| Sep 16, 1:56 PM MST | Severe Thunderstorm Warning | PSR | 49 min |
| Sep 16, 2:17 PM MST | Severe Thunderstorm Warning | TWC | 43 min |
| Sep 16, 2:21 PM MST | Areal Flood Advisory | TWC | 84 min |
| Sep 16, 2:22 PM MST | Mesoscale Discussion | SPC | 83 min |
| Sep 16, 2:25 PM MST | Dust Storm Warning | PSR | 50 min |
| Sep 16, 2:27 PM MST | Severe Thunderstorm Warning | TWC | 48 min |
| Sep 16, 2:47 PM MST | Flash Flood Warning | TWC | 118 min |
| Sep 16, 2:57 PM MST | Special Weather Statement | TWC | 48 min |
| Sep 16, 3:11 PM MST | Dust Storm Advisory | PSR | 34 min |
| Sep 16, 3:43 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 16, 4:29 PM MST | Severe Thunderstorm Warning | TWC | 46 min |
| Sep 16, 5:33 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 23, 2:32 AM MST | Flash Flood Watch | PSR | 32 hr |
| Sep 23, 2:57 AM MST | Flash Flood Watch | TWC | 41 hr |
| Sep 23, 5:15 AM MST | Areal Flood Advisory | PSR | 4 hr |
| Sep 23, 5:41 AM MST | Flash Flood Warning | PSR | 4 hr |
| Sep 23, 6:01 AM MST | Areal Flood Advisory | PSR | 4 hr |
| Sep 23, 6:01 AM MST | Flash Flood Warning | PSR | 4 hr |
| Sep 23, 6:09 AM MST | Flash Flood Warning | PSR | 4 hr |
| Sep 23, 7:59 AM MST | Mesoscale Discussion | SPC | 2 hr |
| Sep 23, 8:36 AM MST | Flash Flood Warning | PSR | 4 hr |
| Sep 23, 9:52 AM MST | Severe Thunderstorm Watch | SPC | 10 hr |
| Sep 23, 11:37 AM MST | Mesoscale Discussion | SPC | 83 min |
| Sep 23, 2:28 PM MST | Dust Storm Warning | PSR | 62 min |
| Sep 23, 2:32 PM MST | Dust Storm Warning | TWC | 88 min |
| Sep 23, 2:41 PM MST | Dust Storm Warning | PSR | 64 min |
| Sep 23, 3:05 PM MST | Mesoscale Discussion | SPC | 115 min |
| Sep 23, 3:51 PM MST | Dust Storm Warning | TWC | 54 min |
| Sep 23, 6:02 PM MST | Mesoscale Discussion | SPC | 118 min |
| Sep 23, 6:40 PM MST | Special Weather Statement | TWC | 35 min |
| Sep 23, 8:25 PM MST | Areal Flood Advisory | TWC | 3 hr |
| Sep 23, 9:25 PM MST | Severe Thunderstorm Warning | TWC | 50 min |
| Sep 24, 2:46 AM MST | Mesoscale Discussion | SPC | 89 min |
| Sep 24, 2:25 PM MST | Flash Flood Watch | PSR | 51 hr |
| Sep 24, 3:25 PM MST | Flash Flood Watch | TWC | 35 hr |
| Sep 25, 3:48 PM MST | Mesoscale Discussion | SPC | 87 min |
| Sep 25, 5:58 PM MST | Special Weather Statement | TWC | 47 min |
| Sep 25, 6:22 PM MST | Special Weather Statement | PSR | 38 min |
| Sep 26, 12:55 PM MST | Special Weather Statement | TWC | 35 min |
| Sep 27, 8:46 AM MST | Areal Flood Advisory | TWC | 89 min |
| Nov 18, 12:59 PM MST | Flash Flood Watch | PSR | 58 hr |
| Nov 18, 2:31 PM MST | Flash Flood Watch | TWC | 69 hr |
| Nov 19, 2:45 AM MST | Winter Storm Watch | TWC | 12 hr |
| Nov 19, 1:15 PM MST | Special Weather Statement | PSR | 30 min |
| Nov 19, 1:22 PM MST | Dust Storm Advisory | PSR | 53 min |
| Nov 19, 2:30 PM MST | Winter Storm Warning | TWC | 53 hr |
| Nov 19, 5:12 PM MST | Special Weather Statement | PSR | 33 min |
| Nov 19, 5:36 PM MST | Special Weather Statement | TWC | 24 min |
| Nov 19, 5:51 PM MST | Flash Flood Warning | PSR | 5 hr |
| Nov 20, 3:47 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Nov 20, 5:13 AM MST | Areal Flood Advisory | PSR | 2 hr |
| Nov 20, 8:13 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Nov 20, 12:23 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Nov 20, 6:15 PM MST | Special Weather Statement | PSR | 45 min |
| Nov 20, 6:49 PM MST | Flash Flood Warning | PSR | 4 hr |
| Nov 20, 11:13 PM MST | Areal Flood Advisory | TWC | 2 hr |
| Nov 21, 10:53 AM MST | Flash Flood Warning | PSR | 3 hr |
| Nov 21, 12:19 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Nov 21, 3:26 PM MST | Mesoscale Discussion | SPC | 94 min |
| Nov 21, 5:19 PM MST | Special Weather Statement | PSR | 41 min |
| Nov 21, 5:25 PM MST | Special Weather Statement | PSR | 50 min |
| Nov 21, 5:29 PM MST | Special Weather Statement | PSR | 46 min |
| Nov 21, 6:25 PM MST | Special Weather Statement | PSR | 65 min |
| Nov 22, 5:38 AM MST | Dense Fog Advisory | TWC | 3 hr |
| Nov 25, 12:21 PM MST | Winter Storm Watch | TWC | 50 hr |
| Nov 25, 1:28 PM MST | Winter Storm Watch | PSR | 48 hr |
| Nov 26, 2:07 PM MST | Flash Flood Watch | PSR | 3 days |
| Nov 26, 2:22 PM MST | Flash Flood Watch | TWC | 3 days |
| Nov 27, 3:27 AM MST | Wind Advisory | TWC | 59 hr |
| Nov 27, 4:02 AM MST | Wind Advisory | PSR | 60 hr |
| Nov 27, 4:13 AM MST | Winter Storm Warning | PSR | 68 hr |
| Nov 27, 1:51 PM MST | Winter Storm Warning | TWC | 53 hr |
| Nov 29, 3:45 AM MST | Severe Thunderstorm Warning | PSR | 30 min |
| Nov 29, 3:52 AM MST | Mesoscale Discussion | SPC | 83 min |
| Nov 29, 4:18 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Nov 29, 4:41 AM MST | Severe Thunderstorm Warning | PSR | 34 min |
| Nov 29, 4:44 AM MST | Tornado Warning | PSR | 12 min |
| Nov 29, 5:07 AM MST | Flash Flood Warning | PSR | 6 hr |
| Nov 29, 5:12 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Nov 29, 5:18 AM MST | Severe Thunderstorm Warning | PSR | 27 min |
| Nov 29, 6:19 AM MST | Severe Thunderstorm Warning | TWC | 41 min |
| Nov 29, 6:37 AM MST | Tornado Warning | TWC | 12 min |
| Nov 29, 6:58 AM MST | Severe Thunderstorm Warning | TWC | 32 min |
| Nov 29, 7:12 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Nov 29, 7:19 AM MST | Areal Flood Advisory | TWC | 116 min |
| Nov 29, 7:22 AM MST | Flash Flood Warning | PSR | 4 hr |
| Nov 29, 7:30 AM MST | Severe Thunderstorm Warning | TWC | 45 min |
| Nov 29, 11:14 AM MST | Areal Flood Warning | PSR | 3 hr |
| Nov 29, 1:31 PM MST | Special Weather Statement | PSR | 29 min |
| Nov 29, 2:12 PM MST | Special Weather Statement | PSR | 33 min |
| Nov 29, 2:45 PM MST | Special Weather Statement | PSR | 30 min |
| Dec 9, 2:13 AM MST | Winter Weather Advisory | TWC | 15 hr |
| Dec 9, 4:01 AM MST | Dense Fog Advisory | PSR | 5 hr |
| Dec 9, 6:03 AM MST | Areal Flood Advisory | TWC | 117 min |
| Dec 9, 7:38 AM MST | Special Weather Statement | PSR | 52 min |
| Dec 9, 7:45 AM MST | Special Weather Statement | PSR | 45 min |
| Dec 9, 9:16 AM MST | Special Weather Statement | TWC | 44 min |
| Dec 9, 9:36 AM MST | Severe Thunderstorm Warning | TWC | 39 min |
| Dec 9, 10:04 AM MST | Special Weather Statement | TWC | 41 min |
| Dec 9, 10:51 AM MST | Special Weather Statement | PSR | 39 min |
| Dec 9, 11:31 AM MST | Special Weather Statement | PSR | 44 min |
| Dec 9, 11:44 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Dec 9, 1:53 PM MST | Special Weather Statement | PSR | 52 min |
| Dec 9, 1:54 PM MST | Special Weather Statement | PSR | 51 min |
| Dec 9, 2:34 PM MST | Severe Thunderstorm Warning | PSR | 56 min |
| Dec 9, 2:47 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Dec 9, 3:23 PM MST | Severe Thunderstorm Warning | PSR | 67 min |
| Dec 9, 4:03 PM MST | Special Weather Statement | PSR | 57 min |
| Dec 10, 3:37 AM MST | Dense Fog Advisory | TWC | 5 hr |
| Dec 10, 6:04 AM MST | Dense Fog Advisory | PSR | 3 hr |
| Dec 15, 2:20 PM MST | Freeze Watch | TWC | 12 hr |
| Dec 16, 2:30 AM MST | Freeze Warning | TWC | 31 hr |
| Dec 16, 12:19 PM MST | Freeze Warning | PSR | 21 hr |
| Dec 23, 2:19 AM MST | Winter Weather Advisory | TWC | 47 hr |
| Dec 25, 11:43 AM MST | Special Weather Statement | PSR | 47 min |
| Dec 25, 3:14 PM MST | Winter Storm Watch | TWC | 11 hr |
| Dec 26, 2:33 AM MST | Winter Weather Advisory | TWC | 63 hr |
| Dec 26, 2:34 AM MST | Winter Weather Advisory | PSR | 66 hr |
| Dec 26, 4:52 AM MST | Dense Fog Advisory | PSR | 4 hr |
| Dec 27, 2:12 PM MST | Freeze Watch | PSR | 13 hr |
| Dec 27, 2:23 PM MST | Freeze Watch | TWC | 13 hr |
| Dec 28, 2:43 AM MST | Hard Freeze Warning | PSR | 30 hr |
| Dec 28, 3:21 AM MST | Hard Freeze Warning | TWC | 30 hr |
| Dec 29, 7:48 AM MST | Dense Fog Advisory | PSR | 72 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.