Alert archive / Oklahoma / Atoka County
Weather alerts in Atoka County, Oklahoma, 2011
210 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Atoka County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 210
- Warnings
- 56
- Watches
- 29
- Advisories
- 27
- Busiest month
- April66 alerts
- Busiest day
- April 15, 201110 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 11 tornado warnings covering Atoka County in 2011 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 68 minutes after it went out.
Atoka County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 11 | 2 | 82% | 2 | 100% | 68 min |
| Severe thunderstorm warnings | 34 | 15 | 56% | 10 | 100% | 27 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 170 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Norman, OK: tornado warnings | 85 | 27 | 68% | 37 | 95% | 25 min |
| NWS Norman, OK: severe thunderstorm warnings | 637 | 329 | 48% | 797 | 83% | 26 min |
| NWS Norman, OK: flash flood warnings | 8 | 6 | 25% | 10 | 90% | 74 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 8, 1:50 PM CST | Winter Weather Advisory | OUN | 28 hr |
| Jan 17, 3:37 AM CST | Dense Fog Advisory | OUN | 7 hr |
| Jan 19, 4:30 AM CST | Winter Weather Advisory | OUN | 31 hr |
| Jan 31, 4:17 AM CST | Winter Weather Advisory | OUN | 35 hr |
| Feb 1, 3:04 PM CST | Wind Chill Advisory | OUN | 45 hr |
| Feb 4, 4:42 AM CST | Winter Weather Advisory | OUN | 11 hr |
| Feb 4, 5:28 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 6, 5:32 PM CST | Winter Storm Watch | OUN | 36 hr |
| Feb 7, 12:03 PM CST | Winter Storm Warning | OUN | 48 hr |
| Feb 9, 3:29 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 9, 10:05 AM CST | Wind Chill Advisory | OUN | 24 hr |
| Feb 26, 8:49 AM CST | Dense Fog Advisory | OUN | 2 hr |
| Feb 27, 8:07 PM CST | Mesoscale Discussion | SPC | 53 min |
| Feb 27, 10:04 PM CST | Tornado Watch | SPC | 6 hr |
| Mar 8, 1:11 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 8, 1:34 PM CST | Tornado Watch | SPC | 9 hr |
| Mar 10, 4:15 AM CST | Red Flag Warning | OUN | 39 hr |
| Mar 13, 7:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Mar 13, 11:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 25, 3:43 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 25, 7:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Mar 25, 10:50 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 26, 2:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 4:19 AM CDT | Wind Advisory | OUN | 35 hr |
| Apr 5, 4:28 AM CDT | Red Flag Warning | OUN | 16 hr |
| Apr 10, 6:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 10, 7:28 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 10, 8:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 10, 10:06 PM CDT | Severe Thunderstorm Warning | OUN | 54 min |
| Apr 14, 3:58 AM CDT | Wind Advisory | OUN | 42 hr |
| Apr 14, 1:33 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 14, 2:28 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 14, 5:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 14, 6:15 PM CDT | Tornado Warning | OUN | 75 min |
| Apr 14, 6:17 PM CDT | Severe Thunderstorm Warning | OUN | 58 min |
| Apr 14, 6:29 PM CDT | Tornado Warning | OUN | 46 min |
| Apr 14, 6:54 PM CDT | Tornado Warning | OUN | 81 min |
| Apr 14, 7:58 PM CDT | Tornado Warning | OUN | 32 min |
| Apr 14, 8:17 PM CDT | Tornado Warning | OUN | 58 min |
| Apr 14, 8:17 PM CDT | Tornado Warning | OUN | 28 min |
| Apr 14, 8:34 PM CDT | Tornado Warning | OUN | 41 min |
| Apr 14, 8:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 14, 8:46 PM CDT | Tornado Warning | OUN | 39 min |
| Apr 14, 8:53 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Apr 14, 9:06 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 14, 9:07 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| Apr 14, 9:55 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| Apr 19, 1:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 19, 2:16 PM CDT | Tornado Watch | SPC | 10 hr |
| Apr 19, 2:59 PM CDT | Severe Thunderstorm Warning | OUN | 61 min |
| Apr 19, 3:31 PM CDT | Tornado Warning | OUN | 44 min |
| Apr 19, 4:14 PM CDT | Severe Thunderstorm Warning | OUN | 33 min |
| Apr 20, 11:59 PM CDT | Special Weather Statement | OUN | 46 min |
| Apr 21, 12:43 AM CDT | Special Weather Statement | OUN | 32 min |
| Apr 22, 1:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 22, 3:47 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 22, 8:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 22, 9:37 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| Apr 22, 9:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 22, 10:30 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Apr 22, 11:34 PM CDT | Special Weather Statement | OUN | 26 min |
| Apr 22, 11:35 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 23, 1:40 AM CDT | Special Weather Statement | OUN | 20 min |
| Apr 23, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 23, 5:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 23, 7:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 23, 8:51 PM CDT | Severe Thunderstorm Warning | OUN | 24 min |
| Apr 23, 9:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 24, 2:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 24, 1:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 24, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 24, 5:34 PM CDT | Mesoscale Discussion | SPC | 26 min |
| Apr 24, 5:36 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 24, 6:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 10:11 PM CDT | Special Weather Statement | OUN | 49 min |
| Apr 25, 3:23 AM CDT | Special Weather Statement | OUN | 52 min |
| Apr 25, 3:52 AM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Apr 25, 4:25 AM CDT | Severe Thunderstorm Warning | OUN | 23 min |
| Apr 25, 10:46 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Apr 25, 11:00 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 25, 1:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 25, 2:37 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Apr 25, 2:41 PM CDT | Severe Thunderstorm Warning | OUN | 49 min |
| Apr 25, 3:34 PM CDT | Special Weather Statement | OUN | 26 min |
| Apr 26, 3:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 26, 4:21 PM CDT | Special Weather Statement | OUN | 24 min |
| Apr 26, 4:25 PM CDT | Severe Thunderstorm Warning | OUN | 10 min |
| Apr 26, 4:32 PM CDT | Special Weather Statement | TSA | 43 min |
| Apr 26, 4:39 PM CDT | Special Weather Statement | OUN | 21 min |
| May 1, 7:15 AM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| May 1, 7:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| May 1, 12:08 PM CDT | Severe Thunderstorm Warning | OUN | 67 min |
| May 1, 1:12 PM CDT | Severe Thunderstorm Warning | OUN | 49 min |
| May 1, 6:18 PM CDT | Special Weather Statement | OUN | 27 min |
| May 1, 6:49 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| May 1, 6:56 PM CDT | Special Weather Statement | OUN | 34 min |
| May 1, 8:57 PM CDT | Special Weather Statement | OUN | 18 min |
| May 2, 2:33 AM CDT | Flash Flood Watch | OUN | 8 hr |
| May 2, 2:54 AM CDT | Frost Advisory | OUN | 30 hr |
| May 8, 11:25 PM CDT | Special Weather Statement | OUN | 35 min |
| May 9, 12:03 AM CDT | Special Weather Statement | OUN | 42 min |
| May 10, 1:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 10:14 PM CDT | Special Weather Statement | OUN | 31 min |
| May 10, 11:14 PM CDT | Special Weather Statement | OUN | 31 min |
| May 11, 12:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 11, 1:16 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 11, 3:37 PM CDT | Severe Thunderstorm Warning | OUN | 53 min |
| May 11, 4:29 PM CDT | Severe Thunderstorm Warning | OUN | 31 min |
| May 12, 1:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 12, 3:17 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 12, 5:03 PM CDT | Special Weather Statement | OUN | 27 min |
| May 12, 5:21 PM CDT | Severe Thunderstorm Warning | OUN | 33 min |
| May 12, 6:09 PM CDT | Special Weather Statement | OUN | 21 min |
| May 12, 6:11 PM CDT | Special Weather Statement | TSA | 34 min |
| May 12, 6:30 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 12, 6:43 PM CDT | Special Weather Statement | OUN | 17 min |
| May 20, 9:57 AM CDT | Special Weather Statement | OUN | 63 min |
| May 20, 11:47 AM CDT | Special Weather Statement | OUN | 43 min |
| May 20, 12:27 PM CDT | Special Weather Statement | OUN | 33 min |
| May 20, 3:19 PM CDT | Special Weather Statement | OUN | 26 min |
| May 20, 3:21 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| May 20, 3:58 PM CDT | Severe Thunderstorm Warning | OUN | 32 min |
| May 21, 7:08 PM CDT | Tornado Watch | SPC | 3 hr |
| May 22, 1:47 PM CDT | Tornado Watch | SPC | 7 hr |
| May 22, 6:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 22, 8:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 22, 8:58 PM CDT | Special Weather Statement | OUN | 47 min |
| May 24, 12:47 PM CDT | Tornado Watch | SPC | 11 hr |
| May 24, 7:54 PM CDT | Tornado Warning | OUN | 51 min |
| May 24, 8:06 PM CDT | Tornado Warning | OUN | 39 min |
| May 24, 8:23 PM CDT | Severe Thunderstorm Warning | OUN | 67 min |
| May 24, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | 37 min |
| Jun 15, 1:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 20, 9:46 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 20, 10:34 PM CDT | High Wind Warning | OUN | 86 min |
| Jun 21, 3:15 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 24, 2:47 PM CDT | Heat Advisory | OUN | 3 days |
| Jun 28, 11:42 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 28, 3:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 5:54 PM CDT | Special Weather Statement | OUN | 6 min |
| Jun 28, 6:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 28, 6:10 PM CDT | Severe Thunderstorm Warning | OUN | 65 min |
| Jun 28, 6:37 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Jun 28, 7:04 PM CDT | Severe Thunderstorm Warning | OUN | 56 min |
| Jun 28, 8:01 PM CDT | Special Weather Statement | OUN | 44 min |
| Jun 29, 3:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 5:33 PM CDT | Special Weather Statement | OUN | 27 min |
| Jun 30, 5:55 PM CDT | Special Weather Statement | OUN | 20 min |
| Jun 30, 6:15 PM CDT | Special Weather Statement | OUN | 15 min |
| Jul 6, 2:04 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 10:22 AM CDT | Heat Advisory | OUN | 22 days |
| Jul 13, 7:51 PM CDT | Special Weather Statement | OUN | 39 min |
| Jul 17, 3:16 PM CDT | Special Weather Statement | OUN | 44 min |
| Jul 31, 5:43 PM CDT | Special Weather Statement | OUN | 17 min |
| Jul 31, 6:01 PM CDT | Special Weather Statement | OUN | 14 min |
| Jul 31, 6:23 PM CDT | Special Weather Statement | OUN | 22 min |
| Aug 1, 2:30 AM CDT | Excessive Heat Warning | OUN | 8 days |
| Aug 4, 1:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Aug 7, 2:23 PM CDT | Heat Advisory | OUN | 5 days |
| Aug 9, 5:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Aug 12, 3:16 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 3:44 PM CDT | Heat Advisory | OUN | 14 days |
| Aug 20, 4:23 PM CDT | Special Weather Statement | OUN | 37 min |
| Aug 22, 2:42 PM CDT | Special Weather Statement | OUN | 18 min |
| Aug 22, 3:28 PM CDT | Special Weather Statement | OUN | 17 min |
| Aug 22, 4:06 PM CDT | Special Weather Statement | OUN | 39 min |
| Sep 13, 10:23 AM CDT | Red Flag Warning | OUN | 9 hr |
| Sep 13, 6:30 PM CDT | Special Weather Statement | OUN | 30 min |
| Sep 17, 10:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 18, 2:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 18, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Sep 18, 4:11 PM CDT | Special Weather Statement | OUN | 19 min |
| Sep 18, 4:28 PM CDT | Special Weather Statement | OUN | 17 min |
| Sep 18, 5:17 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Sep 18, 5:34 PM CDT | Severe Thunderstorm Warning | OUN | 56 min |
| Sep 18, 6:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Sep 23, 4:01 AM CDT | Dense Fog Advisory | OUN | 6 hr |
| Oct 17, 5:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 17, 7:06 PM CDT | Severe Thunderstorm Warning | OUN | 69 min |
| Oct 17, 8:15 PM CDT | Severe Thunderstorm Warning | OUN | 49 min |
| Oct 18, 3:31 PM CDT | Freeze Watch | OUN | 13 hr |
| Oct 19, 4:06 AM CDT | Freeze Warning | OUN | 29 hr |
| Oct 22, 1:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Oct 22, 3:37 PM CDT | Severe Thunderstorm Watch | SPC | 14 hr |
| Oct 22, 7:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Oct 22, 8:58 PM CDT | Severe Thunderstorm Warning | OUN | 77 min |
| Oct 22, 9:59 PM CDT | Severe Thunderstorm Warning | OUN | 76 min |
| Oct 24, 5:56 AM CDT | Dense Fog Advisory | OUN | 3 hr |
| Oct 28, 4:42 AM CDT | Frost Advisory | OUN | 28 hr |
| Nov 1, 3:46 PM CDT | Wind Advisory | OUN | 33 hr |
| Nov 2, 3:41 PM CDT | Freeze Watch | OUN | 12 hr |
| Nov 3, 4:04 AM CDT | Freeze Warning | OUN | 30 hr |
| Nov 8, 1:17 AM CST | Mesoscale Discussion | SPC | 118 min |
| Nov 8, 2:12 AM CST | Mesoscale Discussion | SPC | 93 min |
| Nov 8, 7:38 AM CST | Special Weather Statement | OUN | 37 min |
| Nov 8, 7:48 AM CST | Severe Thunderstorm Warning | OUN | 87 min |
| Nov 8, 9:19 AM CST | Special Weather Statement | OUN | 26 min |
| Nov 8, 9:35 AM CST | Special Weather Statement | OUN | 10 min |
| Nov 9, 3:46 AM CST | Frost Advisory | OUN | 29 hr |
| Nov 12, 3:45 AM CST | Wind Advisory | OUN | 14 hr |
| Nov 16, 10:34 AM CST | Freeze Warning | OUN | 22 hr |
| Nov 21, 3:44 PM CST | Mesoscale Discussion | SPC | 91 min |
| Nov 21, 5:13 PM CST | Special Weather Statement | OUN | 62 min |
| Nov 21, 5:54 PM CST | Areal Flood Advisory | OUN | 3 hr |
| Nov 21, 6:36 PM CST | Flash Flood Warning | OUN | 3 hr |
| Nov 21, 9:45 PM CST | Areal Flood Warning | OUN | 3 hr |
| Nov 22, 10:22 PM CST | Dense Fog Advisory | OUN | 11 hr |
| Nov 24, 3:07 AM CST | Dense Fog Advisory | OUN | 8 hr |
| Dec 14, 5:12 PM CST | Mesoscale Discussion | SPC | 93 min |
| Dec 19, 11:35 PM CST | Dense Fog Advisory | OUN | 6 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 | 34 |
| Tornado Warning | 11 |
| Severe Thunderstorm Watch | 13 |
| Tornado Watch | 12 |
| Mesoscale Discussion | 51 |
| Special Weather Statement | 47 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 2 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.