Alert archive / Oklahoma / Cotton County
Weather alerts in Cotton County, Oklahoma, 2010
123 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cotton County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 123
- Warnings
- 30
- Watches
- 24
- Advisories
- 42
- Busiest month
- May19 alerts
- Busiest day
- May 13, 20105 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Cotton County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 8 | 33% | 2 | 100% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Norman, OK: tornado warnings | 73 | 32 | 56% | 51 | 92% | 24 min |
| NWS Norman, OK: severe thunderstorm warnings | 379 | 157 | 59% | 406 | 73% | 26 min |
| NWS Norman, OK: flash flood warnings | 35 | 14 | 60% | 27 | 89% | 92 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 6, 3:31 AM CST | Wind Chill Advisory | OUN | 3 days |
| Jan 6, 6:31 PM CST | Winter Weather Advisory | OUN | 10 hr |
| Jan 15, 3:21 AM CST | Dense Fog Advisory | OUN | 10 hr |
| Jan 15, 8:50 PM CST | Dense Fog Advisory | OUN | 12 hr |
| Jan 16, 8:06 PM CST | Dense Fog Advisory | OUN | 16 hr |
| Jan 20, 8:23 PM CST | Severe Thunderstorm Warning | OUN | 52 min |
| Jan 25, 11:36 AM CST | Winter Storm Watch | OUN | 63 hr |
| Jan 27, 3:50 AM CST | Winter Storm Warning | OUN | 56 hr |
| Jan 28, 3:03 AM CST | Winter Weather Advisory | OUN | 43 hr |
| Jan 29, 1:03 PM CST | River Flood Warning | OUN | 6 hr |
| Jan 30, 3:03 PM CST | Freezing Fog Advisory | OUN | 21 hr |
| Jan 30, 3:23 PM CST | River Flood Warning | OUN | 4 hr |
| Jan 31, 3:06 PM CST | Freezing Fog Advisory | OUN | 21 hr |
| Feb 1, 3:44 PM CST | Freezing Fog Advisory | OUN | 12 hr |
| Feb 2, 9:32 PM CST | Freezing Fog Advisory | OUN | 12 hr |
| Feb 4, 5:30 PM CST | Dense Fog Advisory | OUN | 13 hr |
| Feb 10, 4:03 PM CST | Winter Weather Advisory | OUN | 30 hr |
| Feb 11, 9:06 AM CST | Winter Storm Warning | OUN | 15 hr |
| Feb 12, 9:10 PM CST | Dense Fog Advisory | OUN | 12 hr |
| Feb 14, 3:23 AM CST | Dense Fog Advisory | OUN | 4 hr |
| Mar 8, 12:08 PM CST | Mesoscale Discussion | SPC | 97 min |
| Mar 8, 1:28 PM CST | Severe Thunderstorm Warning | OUN | 26 min |
| Mar 8, 1:42 PM CST | Mesoscale Discussion | SPC | 93 min |
| Mar 9, 3:35 PM CST | Fire Weather Watch | OUN | 13 hr |
| Mar 10, 4:37 AM CST | Red Flag Warning | OUN | 13 hr |
| Mar 17, 3:16 AM CDT | Dense Fog Advisory | OUN | 8 hr |
| Mar 18, 3:20 PM CDT | Winter Storm Watch | OUN | 37 hr |
| Mar 19, 3:46 PM CDT | Winter Weather Advisory | OUN | 46 hr |
| Mar 26, 8:51 AM CDT | Fire Weather Watch | OUN | 26 hr |
| Mar 26, 2:40 PM CDT | Wind Advisory | OUN | 28 hr |
| Mar 29, 4:32 AM CDT | Fire Weather Watch | OUN | 24 hr |
| Mar 29, 4:00 PM CDT | Red Flag Warning | OUN | 29 hr |
| Mar 30, 4:34 AM CDT | Fire Weather Watch | OUN | 24 hr |
| Mar 30, 4:01 PM CDT | Red Flag Warning | OUN | 29 hr |
| Apr 1, 3:09 PM CDT | Fire Weather Watch | OUN | 12 hr |
| Apr 1, 11:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 2, 3:11 AM CDT | Red Flag Warning | OUN | 17 hr |
| Apr 2, 4:45 AM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Apr 2, 5:22 AM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Apr 6, 4:50 AM CDT | Wind Advisory | OUN | 14 hr |
| Apr 6, 11:22 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| Apr 7, 2:19 PM CDT | Frost Advisory | OUN | 19 hr |
| Apr 16, 10:29 AM CDT | Flood Watch | OUN | 19 hr |
| Apr 22, 8:31 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 23, 12:00 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 23, 2:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| May 7, 4:16 AM CDT | Wind Advisory | OUN | 9 hr |
| May 9, 3:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 1:25 PM CDT | Tornado Watch | SPC | 9 hr |
| May 10, 3:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 4:51 PM CDT | Severe Thunderstorm Warning | OUN | 54 min |
| May 11, 3:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 11, 3:47 PM CDT | Tornado Watch | SPC | 6 hr |
| May 11, 6:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 12, 2:41 PM CDT | Tornado Watch | SPC | 7 hr |
| May 13, 1:59 AM CDT | Mesoscale Discussion | SPC | 31 min |
| May 13, 2:04 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 13, 2:21 AM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| May 13, 2:22 AM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| May 13, 3:15 AM CDT | Mesoscale Discussion | SPC | 60 min |
| May 14, 3:46 AM CDT | Areal Flood Advisory | OUN | 3 hr |
| May 14, 8:58 AM CDT | Flood Watch | OUN | 30 hr |
| May 16, 12:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 19, 1:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 19, 3:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 13, 2:14 PM CDT | Flash Flood Watch | OUN | 38 hr |
| Jun 14, 1:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 14, 1:34 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 14, 3:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 27, 5:47 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 28, 5:32 AM CDT | Areal Flood Advisory | OUN | 4 hr |
| Jul 3, 9:41 PM CDT | Flash Flood Watch | OUN | 41 hr |
| Jul 6, 8:19 PM CDT | River Flood Warning | OUN | 42 hr |
| Jul 7, 4:12 AM CDT | Flash Flood Watch | OUN | 72 hr |
| Jul 7, 1:50 PM CDT | River Flood Warning | OUN | 13 hr |
| Jul 7, 2:26 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 8, 4:39 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jul 8, 7:04 PM CDT | Areal Flood Advisory | OUN | 8 hr |
| Jul 9, 12:04 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jul 9, 8:38 PM CDT | River Flood Warning | OUN | 70 hr |
| Jul 10, 5:06 AM CDT | River Flood Warning | OUN | 28 hr |
| Jul 13, 12:27 PM CDT | Heat Advisory | OUN | 55 hr |
| Jul 14, 5:28 AM CDT | Excessive Heat Warning | OUN | 38 hr |
| Jul 16, 4:13 AM CDT | Heat Advisory | OUN | 63 hr |
| Aug 5, 12:36 PM CDT | Heat Advisory | OUN | 10 days |
| Aug 15, 1:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 20, 4:23 AM CDT | Heat Advisory | OUN | 39 hr |
| Aug 21, 10:01 PM CDT | Severe Thunderstorm Warning | OUN | 32 min |
| Aug 22, 4:30 AM CDT | Heat Advisory | OUN | 39 hr |
| Aug 31, 4:01 PM CDT | Severe Thunderstorm Warning | OUN | 59 min |
| Aug 31, 5:36 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Sep 2, 3:29 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 2, 6:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Sep 2, 8:20 PM CDT | Severe Thunderstorm Warning | OUN | 55 min |
| Sep 2, 9:07 PM CDT | Severe Thunderstorm Warning | OUN | 68 min |
| Sep 2, 9:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 7, 3:54 AM CDT | Flash Flood Watch | OUN | 48 hr |
| Sep 8, 3:55 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Sep 17, 12:04 AM CDT | High Wind Warning | OUN | 56 min |
| Oct 10, 3:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Oct 10, 5:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Oct 10, 5:29 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 10, 7:54 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Oct 10, 10:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Oct 22, 10:03 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Oct 22, 2:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Oct 22, 2:43 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 22, 7:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Oct 25, 4:20 AM CDT | Wind Advisory | OUN | 15 hr |
| Oct 28, 4:37 AM CDT | Frost Advisory | OUN | 28 hr |
| Nov 4, 1:36 PM CDT | Freeze Warning | OUN | 19 hr |
| Nov 5, 3:03 AM CDT | Freeze Watch | OUN | 11 hr |
| Nov 5, 2:01 PM CDT | Freeze Warning | OUN | 18 hr |
| Nov 12, 9:55 AM CST | Wind Advisory | OUN | 3 hr |
| Nov 13, 2:53 PM CST | Frost Advisory | OUN | 17 hr |
| Nov 17, 2:40 PM CST | Freeze Warning | OUN | 17 hr |
| Nov 18, 3:50 PM CST | Frost Advisory | OUN | 16 hr |
| Nov 25, 7:40 AM CST | Winter Weather Advisory | OUN | 4 hr |
| Nov 28, 3:44 AM CST | Wind Advisory | OUN | 14 hr |
| Dec 11, 1:20 AM CST | Dense Fog Advisory | OUN | 5 hr |
| Dec 18, 5:56 AM CST | Dense Fog Advisory | OUN | 4 hr |
| Dec 18, 4:55 PM CST | Fire Weather Watch | OUN | 36 hr |
| Dec 20, 4:32 AM CST | Red Flag Warning | OUN | 13 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 | 12 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 27 |
| Flooding | |
| River Flood Warning | 6 |
| Flash Flood Watch | 4 |
| Flood Watch | 2 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
| Freezing Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.