Alert archive / Oklahoma / Roger Mills County
Weather alerts in Roger Mills County, Oklahoma, 2020
178 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Roger Mills County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 178
- Warnings
- 48
- Watches
- 22
- Advisories
- 39
- Busiest month
- May33 alerts
- Busiest day
- June 22, 202012 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Roger Mills County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 35 | 17 | 51% | 18 | 94% | 25 min |
| Flash flood warnings | 0 | 0 |
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 10, 6:30 AM CST | Mesoscale Discussion | SPC | 60 min |
| Jan 10, 7:28 AM CST | Special Weather Statement | OUN | 32 min |
| Jan 10, 7:32 AM CST | Severe Thunderstorm Warning | OUN | 28 min |
| Jan 10, 7:44 AM CST | Severe Thunderstorm Watch | SPC | 67 days |
| Jan 10, 7:57 AM CST | Severe Thunderstorm Warning | OUN | 33 min |
| Jan 15, 3:14 PM CST | Winter Weather Advisory | OUN | 44 hr |
| Jan 16, 3:36 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 22, 6:00 PM CST | Dense Fog Advisory | OUN | 11 hr |
| Jan 27, 3:17 PM CST | Winter Weather Advisory | OUN | 30 hr |
| Jan 29, 4:24 AM CST | Freezing Fog Advisory | OUN | 7 hr |
| Jan 29, 9:35 PM CST | Freezing Fog Advisory | OUN | 12 hr |
| Feb 4, 11:43 AM CST | Winter Weather Advisory | OUN | 34 hr |
| Feb 10, 10:34 AM CST | Winter Weather Advisory | OUN | 13 hr |
| Feb 11, 3:00 PM CST | Winter Weather Advisory | OUN | 20 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 6, 2:40 PM CST | Fire Weather Watch | OUN | 12 hr |
| Mar 7, 2:14 AM CST | Red Flag Warning | OUN | 17 hr |
| Mar 18, 1:10 AM CDT | Dense Fog Advisory | OUN | 9 hr |
| Mar 18, 1:43 PM CDT | Wind Advisory | OUN | 41 hr |
| Mar 23, 1:53 AM CDT | Dense Fog Advisory | OUN | 9 hr |
| Mar 28, 7:03 AM CDT | Wind Advisory | OUN | 11 hr |
| Apr 2, 9:03 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Apr 11, 2:09 PM CDT | Wind Advisory | OUN | 32 hr |
| 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 16, 9:15 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| Apr 20, 3:38 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 21, 5:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 21, 6:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 21, 6:48 PM CDT | Special Weather Statement | OUN | 27 min |
| Apr 21, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 21, 7:15 PM CDT | Severe Thunderstorm Warning | OUN | 60 min |
| Apr 21, 8:06 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Apr 21, 8:13 PM CDT | Severe Thunderstorm Warning | OUN | 62 min |
| Apr 21, 8:40 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| Apr 21, 8:45 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Apr 21, 8:50 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Apr 21, 9:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 21, 9:17 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Apr 21, 10:39 PM CDT | Special Weather Statement | OUN | 36 min |
| Apr 21, 11:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 22, 4:34 AM CDT | Severe Thunderstorm Warning | OUN | 41 min |
| Apr 29, 10:16 AM CDT | Wind Advisory | OUN | 3 hr |
| May 7, 3:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 7, 6:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 7, 7:40 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 7, 10:39 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| May 7, 11:00 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| May 7, 11:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 11:25 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| May 7, 11:31 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| May 12, 8:46 PM CDT | Dense Fog Advisory | OUN | 13 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, 6:22 PM CDT | Special Weather Statement | OUN | 38 min |
| May 13, 6:32 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| May 13, 6:51 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| May 13, 7:22 PM CDT | Special Weather Statement | OUN | 53 min |
| May 13, 7:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 13, 8:04 PM CDT | Special Weather Statement | OUN | 41 min |
| May 13, 8:19 PM CDT | Severe Thunderstorm Warning | OUN | 41 min |
| May 13, 8:55 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| May 23, 2:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 23, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 23, 5:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 7:32 PM CDT | Special Weather Statement | OUN | 28 min |
| May 23, 7:59 PM CDT | Special Weather Statement | OUN | 31 min |
| May 23, 8:30 PM CDT | Special Weather Statement | OUN | 30 min |
| May 23, 8:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 24, 3:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 24, 6:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 7:58 PM CDT | Special Weather Statement | OUN | 32 min |
| May 24, 8:27 PM CDT | Special Weather Statement | OUN | 33 min |
| May 24, 8:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 9:18 PM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Jun 4, 1:51 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Jun 4, 3:45 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 5:27 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Jun 4, 6:06 PM CDT | Severe Thunderstorm Warning | OUN | 54 min |
| Jun 4, 6:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 5, 1:00 AM CDT | Special Weather Statement | OUN | 45 min |
| Jun 8, 2:31 AM CDT | Wind Advisory | OUN | 52 hr |
| Jun 8, 1:26 PM CDT | High Wind Watch | OUN | 12 hr |
| Jun 9, 1:31 AM CDT | High Wind Warning | OUN | 26 hr |
| Jun 13, 3:09 AM CDT | Red Flag Warning | OUN | 17 hr |
| Jun 21, 3:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 21, 5:50 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 21, 9:29 PM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Jun 21, 9:55 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| Jun 21, 10:09 PM CDT | Severe Thunderstorm Warning | OUN | 66 min |
| Jun 21, 10:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 21, 11:36 PM CDT | Special Weather Statement | OUN | 69 min |
| Jun 21, 11:52 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| Jun 22, 12:42 AM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 22, 2:07 AM CDT | Special Weather Statement | OUN | 38 min |
| Jun 22, 2:21 AM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| Jun 22, 2:59 AM CDT | Severe Thunderstorm Warning | OUN | 46 min |
| Jun 22, 3:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 22, 3:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 22, 9:06 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 22, 9:16 PM CDT | Severe Thunderstorm Warning | OUN | 44 min |
| Jun 22, 9:55 PM CDT | Special Weather Statement | OUN | 50 min |
| Jun 22, 10:04 PM CDT | Special Weather Statement | OUN | 41 min |
| Jun 22, 10:46 PM CDT | Special Weather Statement | OUN | 59 min |
| Jun 22, 11:15 PM CDT | Special Weather Statement | OUN | 30 min |
| Jun 22, 11:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 29, 2:59 PM CDT | Fire Weather Watch | OUN | 12 hr |
| Jun 30, 2:47 AM CDT | Red Flag Warning | OUN | 17 hr |
| Jul 9, 5:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 9, 6:36 PM CDT | Special Weather Statement | OUN | 24 min |
| Jul 10, 1:14 PM CDT | Heat Advisory | OUN | 3 days |
| Jul 11, 6:08 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 20, 2:54 PM CDT | Special Weather Statement | OUN | 36 min |
| Jul 20, 3:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jul 27, 4:42 AM CDT | Flood Watch | OUN | 57 hr |
| Aug 1, 8:42 PM CDT | Special Weather Statement | OUN | 18 min |
| Aug 10, 7:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 10, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | 61 min |
| Aug 10, 9:38 PM CDT | Severe Thunderstorm Warning | OUN | 52 min |
| Aug 16, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 16, 3:02 PM CDT | Special Weather Statement | OUN | 58 min |
| Aug 16, 4:10 PM CDT | Special Weather Statement | OUN | 35 min |
| Sep 1, 2:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 1, 6:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Sep 2, 1:39 PM CDT | Special Weather Statement | OUN | 36 min |
| Sep 2, 1:40 PM CDT | Special Weather Statement | OUN | 35 min |
| Sep 2, 2:20 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| Sep 27, 11:29 AM CDT | Wind Advisory | OUN | 14 hr |
| Oct 11, 2:51 AM CDT | Red Flag Warning | OUN | 17 hr |
| Oct 11, 1:29 PM CDT | Wind Advisory | OUN | 15 hr |
| Oct 14, 2:42 PM CDT | Wind Advisory | OUN | 19 hr |
| Oct 21, 8:55 AM CDT | Dense Fog Advisory | OUN | 3 hr |
| Oct 22, 11:14 AM CDT | Wind Advisory | OUN | 11 hr |
| Oct 23, 4:19 AM CDT | Freeze Watch | OUN | 9 hr |
| Oct 23, 4:19 AM CDT | Freeze Warning | OUN | 29 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, 1:17 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 26, 5:41 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 26, 8:28 AM CDT | Ice Storm Warning | OUN | 56 hr |
| Oct 27, 12:22 AM CDT | Mesoscale Discussion | SPC | 6 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, 8:20 PM CDT | Mesoscale Discussion | SPC | 6 hr |
| Oct 28, 4:06 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 28, 8:54 AM CDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 28, 1:53 PM CDT | Winter Weather Advisory | OUN | 16 hr |
| Oct 28, 3:46 PM CDT | Wind Advisory | OUN | 24 hr |
| Nov 8, 10:01 AM CST | Wind Advisory | OUN | 5 hr |
| Nov 14, 2:29 AM CST | Wind Advisory | OUN | 15 hr |
| Nov 14, 2:33 AM CST | Red Flag Warning | OUN | 16 hr |
| Nov 14, 5:40 PM CST | Special Weather Statement | OUN | 65 min |
| Nov 17, 1:41 PM CST | Wind Advisory | OUN | 28 hr |
| Nov 18, 3:01 AM CST | Red Flag Warning | OUN | 15 hr |
| Nov 24, 12:31 PM CST | Mesoscale Discussion | SPC | 119 min |
| Nov 24, 1:50 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Nov 24, 2:52 PM CST | Special Weather Statement | OUN | 23 min |
| Nov 24, 3:11 PM CST | Severe Thunderstorm Warning | OUN | 49 min |
| Dec 1, 1:35 PM CST | Winter Storm Warning | OUN | 40 hr |
| Dec 1, 1:35 PM CST | Winter Weather Advisory | OUN | 43 hr |
| Dec 11, 12:51 PM CST | Winter Storm Watch | OUN | 14 hr |
| Dec 11, 12:51 PM CST | Winter Weather Advisory | OUN | 53 hr |
| Dec 12, 3:01 AM CST | Winter Storm Warning | OUN | 36 hr |
| Dec 13, 1:00 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 14, 3:53 AM CST | Winter Weather Advisory | OUN | 41 hr |
| Dec 14, 9:04 PM CST | Winter Storm Warning | OUN | 24 hr |
| Dec 15, 10:01 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 23, 2:43 AM CST | Wind Advisory | OUN | 15 hr |
| Dec 29, 9:32 AM CST | Dense Fog Advisory | OUN | 4 hr |
| Dec 29, 3:12 PM CST | Winter Storm Watch | OUN | 37 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 | 32 |
| Severe Thunderstorm Watch | 12 |
| Mesoscale Discussion | 42 |
| Special Weather Statement | 27 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 11 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Wind Advisory | 15 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
| Freezing Fog Advisory | 2 |
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.