Alert archive / Oklahoma / Tillman County
Weather alerts in Tillman County, Oklahoma, 2020
223 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Tillman County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 223
- Warnings
- 85
- Watches
- 24
- Advisories
- 36
- Busiest month
- May74 alerts
- Busiest day
- May 23, 202017 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 1 tornado warnings covering Tillman County in 2020 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Tillman County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 70 | 31 | 56% | 27 | 78% | 29 min |
| Flash flood warnings | 5 | 3 | 40% | 1 | 100% | 28 min |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Norman, OK: tornado warnings | 34 | 9 | 74% | 16 | 75% | 13 min |
| NWS Norman, OK: severe thunderstorm warnings | 742 | 300 | 60% | 846 | 87% | 24 min |
| NWS Norman, OK: flash flood warnings | 55 | 22 | 60% | 37 | 86% | 40 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 7, 2:34 PM CST | Fire Weather Watch | OUN | 14 hr |
| Jan 8, 4:38 AM CST | Red Flag Warning | OUN | 14 hr |
| Jan 10, 3:50 AM CST | Winter Weather Advisory | OUN | 31 hr |
| Jan 13, 7:02 PM CST | Dense Fog Advisory | OUN | 16 hr |
| Jan 15, 3:14 PM CST | Winter Weather Advisory | OUN | 44 hr |
| Jan 22, 6:00 PM CST | Dense Fog Advisory | OUN | 11 hr |
| Feb 3, 3:21 AM CST | Winter Storm Watch | OUN | 32 hr |
| Feb 4, 4:46 AM CST | Winter Storm Warning | OUN | 39 hr |
| Feb 10, 10:34 AM CST | Winter Weather Advisory | OUN | 13 hr |
| Feb 16, 8:44 PM CST | Dense Fog Advisory | OUN | 14 hr |
| Feb 25, 12:51 PM CST | Wind Advisory | OUN | 7 hr |
| Mar 14, 4:41 AM CDT | Special Weather Statement | OUN | 34 min |
| Mar 18, 1:10 AM CDT | Dense Fog Advisory | OUN | 9 hr |
| Mar 18, 4:42 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 18, 6:22 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Mar 18, 6:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Mar 18, 8:01 PM CDT | Special Weather Statement | OUN | 29 min |
| Mar 19, 2:30 AM CDT | Special Weather Statement | OUN | 30 min |
| Mar 19, 2:37 AM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| Mar 19, 4:33 AM CDT | River Flood Warning | OUN | 3 hr |
| Mar 19, 5:30 AM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Mar 19, 7:32 AM CDT | Special Weather Statement | OUN | 28 min |
| Mar 23, 1:53 AM CDT | Dense Fog Advisory | OUN | 9 hr |
| Mar 28, 3:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 1:58 PM CDT | Special Weather Statement | OUN | 32 min |
| Apr 11, 2:00 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Apr 11, 2:02 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 11, 2:09 PM CDT | Wind Advisory | OUN | 32 hr |
| Apr 11, 3:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Apr 11, 5:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 11, 7:28 PM CDT | Severe Thunderstorm Warning | OUN | 62 min |
| Apr 11, 8:22 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| Apr 11, 9:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 12, 3:23 AM CDT | Freeze Warning | OUN | 31 hr |
| Apr 13, 2:27 PM CDT | Freeze Warning | OUN | 19 hr |
| Apr 14, 2:09 PM CDT | Freeze Warning | OUN | 19 hr |
| Apr 21, 11:09 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| Apr 22, 8:19 AM CDT | Severe Thunderstorm Warning | OUN | 41 min |
| Apr 28, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 7, 4:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 7, 6:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 7, 6:48 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| May 7, 8:31 PM CDT | Special Weather Statement | OUN | 29 min |
| May 7, 9:07 PM CDT | Severe Thunderstorm Warning | OUN | 27 min |
| May 8, 3:27 AM CDT | Wind Advisory | OUN | 9 hr |
| May 13, 2:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 13, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 13, 5:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 7:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 8:30 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| May 13, 9:44 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| May 13, 10:26 PM CDT | Special Weather Statement | OUN | 49 min |
| May 13, 10:57 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| May 13, 11:10 PM CDT | Special Weather Statement | OUN | 50 min |
| May 13, 11:32 PM CDT | Special Weather Statement | OUN | 43 min |
| May 15, 10:59 AM CDT | Flood Watch | OUN | 16 hr |
| May 15, 1:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 15, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 15, 5:32 PM CDT | Areal Flood Advisory | OUN | 118 min |
| May 15, 5:48 PM CDT | Special Weather Statement | OUN | 42 min |
| May 15, 5:57 PM CDT | Severe Thunderstorm Warning | OUN | 63 min |
| May 15, 6:04 PM CDT | Flash Flood Warning | OUN | 3 hr |
| May 15, 6:12 PM CDT | Severe Thunderstorm Warning | OUN | 63 min |
| May 15, 6:35 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| May 15, 6:58 PM CDT | Severe Thunderstorm Warning | OUN | 77 min |
| May 15, 6:59 PM CDT | Flash Flood Warning | OUN | 3 hr |
| May 15, 6:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 7:33 PM CDT | Flash Flood Warning | OUN | 3 hr |
| May 15, 7:58 PM CDT | Severe Thunderstorm Warning | OUN | 62 min |
| May 15, 8:25 PM CDT | Severe Thunderstorm Warning | OUN | 65 min |
| May 15, 10:27 PM CDT | River Flood Warning | OUN | 4 hr |
| May 21, 12:05 AM CDT | Special Weather Statement | OUN | 25 min |
| May 22, 1:27 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 22, 4:47 PM CDT | Special Weather Statement | OUN | 13 min |
| May 22, 4:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 4:57 PM CDT | Severe Thunderstorm Warning | OUN | 33 min |
| May 22, 5:28 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| May 22, 6:03 PM CDT | Severe Thunderstorm Warning | OUN | 57 min |
| May 22, 6:12 PM CDT | Tornado Warning | OUN | 33 min |
| May 22, 6:22 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| May 22, 6:50 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| May 22, 7:00 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 22, 7:14 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| May 22, 7:51 PM CDT | Flash Flood Warning | OUN | 3 hr |
| May 22, 8:19 PM CDT | Severe Thunderstorm Warning | OUN | 26 min |
| May 22, 8:46 PM CDT | Severe Thunderstorm Warning | OUN | 44 min |
| May 22, 9:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 9:29 PM CDT | Flash Flood Warning | OUN | 7 hr |
| May 22, 9:30 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| May 22, 10:13 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| May 22, 10:54 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| May 22, 11:45 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| May 22, 11:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 12:57 AM CDT | Severe Thunderstorm Warning | OUN | 33 min |
| May 23, 1:31 AM CDT | Severe Thunderstorm Warning | OUN | 44 min |
| May 23, 2:13 AM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| May 23, 3:03 AM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| May 23, 3:43 AM CDT | Special Weather Statement | OUN | 32 min |
| May 23, 8:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 23, 9:08 PM CDT | Severe Thunderstorm Warning | OUN | 52 min |
| May 23, 9:20 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| May 23, 9:33 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 23, 9:56 PM CDT | Severe Thunderstorm Warning | OUN | 49 min |
| May 23, 10:00 PM CDT | Special Weather Statement | OUN | 30 min |
| May 23, 10:08 PM CDT | Severe Thunderstorm Warning | OUN | 52 min |
| May 23, 10:27 PM CDT | Special Weather Statement | OUN | 33 min |
| May 23, 11:03 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| May 23, 11:22 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| May 24, 10:46 PM CDT | Special Weather Statement | OUN | 29 min |
| May 24, 11:04 PM CDT | Severe Thunderstorm Warning | OUN | 26 min |
| May 24, 11:27 PM CDT | Special Weather Statement | OUN | 48 min |
| Jun 4, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 8:00 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Jun 4, 8:21 PM CDT | Special Weather Statement | OUN | 24 min |
| Jun 4, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Jun 4, 9:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 8, 2:31 AM CDT | Wind Advisory | OUN | 52 hr |
| Jun 19, 1:33 PM CDT | Areal Flood Advisory | OUN | 117 min |
| Jun 19, 2:17 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Jun 19, 3:04 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 19, 3:11 PM CDT | Special Weather Statement | OUN | 49 min |
| Jun 19, 3:26 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 19, 3:27 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Jun 19, 4:07 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Jun 19, 4:07 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 19, 4:09 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 19, 4:19 PM CDT | Special Weather Statement | OUN | 26 min |
| Jun 19, 4:40 PM CDT | Severe Thunderstorm Warning | OUN | 35 min |
| Jun 19, 4:43 PM CDT | Severe Thunderstorm Warning | OUN | 62 min |
| Jun 19, 5:36 PM CDT | Severe Thunderstorm Warning | OUN | 24 min |
| Jun 19, 6:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 9:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 19, 9:28 PM CDT | Special Weather Statement | OUN | 47 min |
| Jun 21, 1:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 21, 1:44 AM CDT | Special Weather Statement | OUN | 31 min |
| Jun 21, 6:58 AM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| Jun 21, 7:17 AM CDT | Severe Thunderstorm Warning | OUN | 28 min |
| Jun 21, 7:23 AM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Jun 21, 8:13 AM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| Jun 21, 5:50 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 11:33 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Jun 22, 12:06 AM CDT | Special Weather Statement | OUN | 39 min |
| Jun 22, 12:13 AM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| Jun 22, 12:43 AM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 22, 12:57 AM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Jun 22, 3:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 22, 8:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 22, 9:06 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 22, 11:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 12:56 AM CDT | Special Weather Statement | OUN | 64 min |
| Jun 23, 2:01 AM CDT | Special Weather Statement | OUN | 44 min |
| Jun 29, 4:40 PM CDT | Heat Advisory | OUN | 3 days |
| Jun 30, 3:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 7:33 PM CDT | Special Weather Statement | OUN | 27 min |
| Jul 4, 3:36 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Jul 4, 4:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 4, 5:16 PM CDT | Severe Thunderstorm Warning | OUN | 44 min |
| Jul 5, 6:56 PM CDT | Special Weather Statement | OUN | 34 min |
| Jul 7, 8:37 AM CDT | Dense Fog Advisory | OUN | 83 min |
| Jul 8, 2:57 PM CDT | Heat Advisory | OUN | 70 hr |
| Jul 10, 1:14 PM CDT | Heat Advisory | OUN | 3 days |
| Jul 11, 11:40 AM CDT | Excessive Heat Warning | OUN | 9 hr |
| Jul 12, 1:18 AM CDT | Special Weather Statement | OUN | 27 min |
| Jul 12, 5:36 AM CDT | Special Weather Statement | OUN | 54 min |
| Jul 16, 8:19 PM CDT | Heat Advisory | OUN | 24 hr |
| Jul 21, 1:38 PM CDT | Special Weather Statement | OUN | 37 min |
| Jul 27, 4:42 AM CDT | Flood Watch | OUN | 57 hr |
| Jul 27, 5:51 PM CDT | Special Weather Statement | OUN | 24 min |
| Jul 27, 6:41 PM CDT | Special Weather Statement | OUN | 34 min |
| Jul 30, 3:31 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 30, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 30, 4:48 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Jul 30, 5:00 PM CDT | Special Weather Statement | OUN | 15 min |
| Jul 30, 5:29 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Jul 30, 6:14 PM CDT | Severe Thunderstorm Warning | OUN | 16 min |
| Jul 30, 6:27 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Jul 30, 6:31 PM CDT | Severe Thunderstorm Warning | OUN | 44 min |
| Jul 30, 7:10 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| Aug 10, 10:40 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| Aug 10, 11:24 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| Aug 12, 3:10 AM CDT | Heat Advisory | OUN | 64 hr |
| Aug 16, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 5:51 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Aug 16, 6:33 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Aug 16, 7:02 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Aug 17, 5:00 PM CDT | Special Weather Statement | OUN | 30 min |
| Aug 29, 9:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 10:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 30, 1:12 AM CDT | Special Weather Statement | OUN | 33 min |
| Aug 30, 1:52 AM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Aug 31, 3:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Aug 31, 3:53 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Aug 31, 6:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Aug 31, 8:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Aug 31, 9:16 PM CDT | Special Weather Statement | OUN | 44 min |
| Sep 8, 6:18 PM CDT | Special Weather Statement | OUN | 42 min |
| Sep 24, 6:32 AM CDT | Dense Fog Advisory | OUN | 2 hr |
| Sep 27, 11:29 AM CDT | Wind Advisory | OUN | 14 hr |
| Oct 10, 3:28 AM CDT | Dense Fog Advisory | OUN | 7 hr |
| Oct 14, 2:42 PM CDT | Wind Advisory | OUN | 19 hr |
| Oct 23, 4:19 AM CDT | Freeze Watch | OUN | 9 hr |
| Oct 23, 1:35 PM CDT | Frost Advisory | OUN | 19 hr |
| Oct 24, 3:13 AM CDT | Freeze Watch | OUN | 35 hr |
| Oct 25, 4:06 AM CDT | Winter Weather Advisory | OUN | 62 hr |
| Oct 25, 3:27 PM CDT | Winter Storm Watch | OUN | 17 hr |
| Oct 26, 8:28 AM CDT | Ice Storm Warning | OUN | 56 hr |
| Oct 26, 11:28 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 27, 4:19 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 27, 8:40 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 27, 1:05 PM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 28, 3:46 PM CDT | Wind Advisory | OUN | 24 hr |
| Nov 6, 3:52 AM CST | Dense Fog Advisory | OUN | 6 hr |
| Nov 6, 10:04 AM CST | Dense Fog Advisory | OUN | 56 min |
| Nov 14, 2:29 AM CST | Wind Advisory | OUN | 15 hr |
| Dec 23, 2:43 AM CST | Wind Advisory | OUN | 15 hr |
| Dec 29, 3:12 PM CST | Winter Storm Watch | OUN | 37 hr |
| Dec 29, 7:43 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Dec 29, 10:32 PM CST | Special Weather Statement | OUN | 43 min |
| Dec 30, 12:23 AM CST | Special Weather Statement | OUN | 37 min |
| Dec 31, 9:09 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 31, 2:59 PM CST | Mesoscale Discussion | SPC | 4 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 | 70 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 14 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 39 |
| Special Weather Statement | 39 |
| Flooding | |
| Flash Flood Warning | 5 |
| River Flood Warning | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 7 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 2 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 10 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.