Alert archive / Texas / Knox County
Weather alerts in Knox County, Texas, 2022
175 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Knox County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 175
- Warnings
- 57
- Watches
- 37
- Advisories
- 31
- Busiest month
- May39 alerts
- Busiest day
- October 28, 20227 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 Knox County in 2022 had a tornado report inside them.
Knox County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 20 | 2 | 90% | 3 | 0% | |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Norman, OK: tornado warnings | 72 | 11 | 85% | 17 | 82% | 12 min |
| NWS Norman, OK: severe thunderstorm warnings | 650 | 201 | 69% | 483 | 84% | 25 min |
| NWS Norman, OK: flash flood warnings | 58 | 15 | 74% | 31 | 87% | 53 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 1, 1:29 PM CST | Winter Weather Advisory | OUN | 11 hr |
| Jan 14, 3:15 AM CST | Wind Advisory | OUN | 38 hr |
| Jan 14, 3:34 AM CST | Red Flag Warning | OUN | 15 hr |
| Jan 17, 1:23 PM CST | Fire Weather Watch | OUN | 13 hr |
| Jan 18, 2:21 AM CST | Red Flag Warning | OUN | 16 hr |
| Jan 31, 7:46 AM CST | Winter Storm Watch | OUN | 27 hr |
| Feb 1, 10:46 AM CST | Winter Storm Warning | OUN | 61 hr |
| Feb 2, 2:51 AM CST | Wind Chill Advisory | OUN | 57 hr |
| Feb 2, 11:15 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 16, 9:39 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Feb 16, 10:26 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Feb 17, 2:46 AM CST | Wind Advisory | OUN | 12 hr |
| Feb 19, 2:26 PM CST | Fire Weather Watch | OUN | 23 hr |
| Feb 20, 1:03 PM CST | Red Flag Warning | OUN | 31 hr |
| Feb 21, 2:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 21, 5:11 PM CST | Special Weather Statement | OUN | 49 min |
| Feb 22, 4:18 AM CST | Winter Weather Advisory | OUN | 55 hr |
| Feb 22, 2:36 PM CST | Winter Storm Warning | OUN | 48 hr |
| Feb 23, 3:58 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Mar 4, 3:45 AM CST | Fire Weather Watch | OUN | 11 hr |
| Mar 4, 2:28 PM CST | Red Flag Warning | OUN | 30 hr |
| Mar 10, 3:21 AM CST | Winter Weather Advisory | OUN | 37 hr |
| Mar 12, 2:24 AM CST | Fire Weather Watch | OUN | 12 hr |
| Mar 12, 2:50 PM CST | Red Flag Warning | OUN | 29 hr |
| Mar 15, 3:02 PM CDT | Fire Weather Watch | OUN | 12 hr |
| Mar 16, 3:19 AM CDT | Red Flag Warning | OUN | 16 hr |
| Mar 17, 3:23 AM CDT | Red Flag Warning | OUN | 17 hr |
| Mar 17, 3:25 AM CDT | Wind Advisory | OUN | 33 hr |
| Mar 19, 2:39 AM CDT | Fire Weather Watch | OUN | 11 hr |
| Mar 19, 1:31 PM CDT | Red Flag Warning | OUN | 31 hr |
| Mar 20, 3:56 PM CDT | Wind Advisory | OUN | 4 hr |
| Mar 21, 1:27 PM CDT | Wind Advisory | OUN | 30 hr |
| Mar 21, 1:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 21, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 21, 2:11 PM CDT | Special Weather Statement | OUN | 34 min |
| Mar 21, 2:47 PM CDT | Special Weather Statement | OUN | 28 min |
| Mar 27, 9:27 AM CDT | Fire Weather Watch | OUN | 17 hr |
| Mar 27, 4:19 PM CDT | Fire Weather Watch | OUN | 21 hr |
| Mar 28, 2:38 AM CDT | Red Flag Warning | OUN | 17 hr |
| Mar 28, 1:41 PM CDT | Red Flag Warning | OUN | 35 hr |
| Mar 29, 12:38 PM CDT | Wind Advisory | OUN | 29 hr |
| Mar 29, 4:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Mar 29, 6:53 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 29, 8:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 1, 3:20 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 3, 5:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 4, 2:23 PM CDT | Special Weather Statement | OUN | 37 min |
| Apr 4, 2:47 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| Apr 4, 2:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 4, 3:25 PM CDT | Severe Thunderstorm Warning | OUN | 28 min |
| Apr 4, 3:26 PM CDT | Severe Thunderstorm Warning | OUN | 27 min |
| Apr 5, 3:10 AM CDT | Red Flag Warning | OUN | 17 hr |
| Apr 5, 2:47 PM CDT | Wind Advisory | OUN | 16 hr |
| Apr 5, 3:27 PM CDT | Fire Weather Watch | OUN | 24 hr |
| Apr 5, 3:27 PM CDT | Red Flag Warning | OUN | 31 hr |
| Apr 5, 11:20 PM CDT | High Wind Warning | OUN | 3 hr |
| Apr 5, 11:20 PM CDT | Wind Advisory | OUN | 7 hr |
| Apr 6, 3:37 PM CDT | Red Flag Warning | OUN | 28 hr |
| Apr 6, 3:44 PM CDT | Wind Advisory | OUN | 27 hr |
| Apr 7, 2:45 AM CDT | Fire Weather Watch | OUN | 24 hr |
| Apr 8, 3:14 AM CDT | Fire Weather Watch | OUN | 12 hr |
| Apr 8, 3:14 AM CDT | Red Flag Warning | OUN | 17 hr |
| Apr 8, 2:50 PM CDT | Red Flag Warning | OUN | 30 hr |
| Apr 9, 3:02 AM CDT | Fire Weather Watch | OUN | 13 hr |
| Apr 9, 4:20 PM CDT | Red Flag Warning | OUN | 28 hr |
| Apr 10, 3:31 AM CDT | Fire Weather Watch | OUN | 24 hr |
| Apr 11, 3:40 AM CDT | Red Flag Warning | OUN | 42 hr |
| Apr 11, 3:43 PM CDT | Fire Weather Watch | OUN | 35 hr |
| Apr 13, 3:03 AM CDT | Red Flag Warning | OUN | 16 hr |
| Apr 14, 2:44 PM CDT | Fire Weather Watch | OUN | 12 hr |
| Apr 15, 2:42 AM CDT | Red Flag Warning | OUN | 17 hr |
| Apr 21, 2:53 PM CDT | Wind Advisory | OUN | 52 hr |
| Apr 23, 2:34 AM CDT | Red Flag Warning | OUN | 18 hr |
| Apr 27, 4:14 AM CDT | Fire Weather Watch | OUN | 22 hr |
| Apr 28, 1:53 AM CDT | Red Flag Warning | OUN | 45 hr |
| May 1, 10:22 PM CDT | Special Weather Statement | OUN | 38 min |
| May 4, 1:56 PM CDT | Tornado Watch | SPC | 8 hr |
| May 4, 5:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 4, 6:40 PM CDT | Severe Thunderstorm Warning | OUN | 95 min |
| May 4, 6:57 PM CDT | Tornado Warning | OUN | 63 min |
| May 4, 7:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 4, 9:41 PM CDT | Tornado Watch | SPC | 6 hr |
| May 7, 9:41 AM CDT | Fire Weather Watch | OUN | 4 hr |
| May 7, 2:06 PM CDT | Red Flag Warning | OUN | 32 hr |
| May 8, 4:39 AM CDT | Fire Weather Watch | OUN | 10 hr |
| May 8, 2:41 PM CDT | Red Flag Warning | OUN | 31 hr |
| May 10, 7:31 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 10, 10:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| May 14, 3:18 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 4:33 PM CDT | Special Weather Statement | OUN | 27 min |
| May 14, 4:56 PM CDT | Special Weather Statement | OUN | 34 min |
| May 16, 10:23 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 16, 10:30 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| May 16, 11:07 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| May 16, 11:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 16, 11:40 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| May 17, 12:47 AM CDT | Mesoscale Discussion | SPC | 58 min |
| May 17, 8:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| May 19, 3:06 AM CDT | Special Weather Statement | OUN | 24 min |
| May 19, 10:21 AM CDT | Red Flag Warning | OUN | 10 hr |
| May 23, 6:44 PM CDT | Flood Watch | OUN | 30 hr |
| May 24, 7:52 PM CDT | Special Weather Statement | OUN | 38 min |
| May 28, 3:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| May 28, 3:53 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 28, 6:00 PM CDT | Severe Thunderstorm Warning | OUN | 30 min |
| May 28, 6:27 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| May 28, 6:30 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| May 28, 6:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 7:08 PM CDT | Severe Thunderstorm Warning | OUN | 39 min |
| May 28, 9:19 PM CDT | Special Weather Statement | OUN | 26 min |
| May 28, 9:26 PM CDT | Special Weather Statement | OUN | 34 min |
| May 28, 9:30 PM CDT | Mesoscale Discussion | SPC | 60 min |
| May 28, 9:32 PM CDT | Severe Thunderstorm Warning | OUN | 43 min |
| May 28, 9:40 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| Jun 1, 4:22 PM CDT | Special Weather Statement | OUN | 38 min |
| Jun 1, 5:27 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Jun 1, 5:50 PM CDT | Severe Thunderstorm Warning | OUN | 40 min |
| Jun 1, 5:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 6:29 PM CDT | Severe Thunderstorm Warning | OUN | 10 min |
| Jun 1, 9:45 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 7:29 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 8, 9:09 AM CDT | Severe Thunderstorm Warning | OUN | 66 min |
| Jun 9, 7:25 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 10:38 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 10, 2:56 PM CDT | Heat Advisory | OUN | 52 hr |
| Jul 1, 3:22 PM CDT | Special Weather Statement | OUN | 38 min |
| Jul 16, 2:29 AM CDT | Heat Advisory | OUN | 42 hr |
| Jul 16, 2:54 PM CDT | Excessive Heat Warning | OUN | 54 hr |
| Jul 17, 2:32 AM CDT | Excessive Heat Warning | OUN | 66 hr |
| Jul 19, 2:00 AM CDT | Red Flag Warning | OUN | 20 hr |
| Jul 19, 4:11 PM CDT | Heat Advisory | OUN | 28 hr |
| Jul 22, 10:30 AM CDT | Special Weather Statement | OUN | 30 min |
| Jul 22, 11:41 AM CDT | Special Weather Statement | OUN | 34 min |
| Jul 22, 12:33 PM CDT | Special Weather Statement | OUN | 42 min |
| Jul 22, 12:46 PM CDT | Areal Flood Advisory | OUN | 4 min |
| Jul 22, 12:50 PM CDT | Flash Flood Warning | OUN | 3 hr |
| Jul 22, 1:01 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jul 25, 2:40 PM CDT | Fire Weather Watch | OUN | 13 hr |
| Jul 26, 3:54 AM CDT | Red Flag Warning | OUN | 17 hr |
| Aug 2, 3:57 AM CDT | Heat Advisory | OUN | 40 hr |
| Aug 4, 4:11 AM CDT | Heat Advisory | OUN | 16 hr |
| Aug 4, 2:16 PM CDT | Heat Advisory | OUN | 30 hr |
| Aug 20, 1:17 PM CDT | Special Weather Statement | OUN | 43 min |
| Aug 20, 1:57 PM CDT | Special Weather Statement | OUN | 33 min |
| Aug 20, 2:58 PM CDT | Flood Watch | OUN | 45 hr |
| Aug 22, 2:21 AM CDT | Areal Flood Advisory | OUN | 22 min |
| Aug 22, 2:43 AM CDT | Areal Flood Warning | OUN | 4 hr |
| Aug 30, 4:16 PM CDT | Special Weather Statement | OUN | 29 min |
| Sep 4, 2:00 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 20, 3:38 PM CDT | Red Flag Warning | OUN | 28 hr |
| Oct 21, 2:49 PM CDT | Fire Weather Watch | OUN | 12 hr |
| Oct 22, 2:50 AM CDT | Red Flag Warning | OUN | 16 hr |
| Oct 24, 12:38 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 24, 2:52 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 24, 3:39 PM CDT | Wind Advisory | OUN | 16 hr |
| Oct 24, 4:11 PM CDT | Special Weather Statement | OUN | 34 min |
| Oct 24, 4:44 PM CDT | Special Weather Statement | OUN | 31 min |
| Oct 27, 4:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Oct 27, 6:01 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 27, 7:52 PM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Oct 27, 7:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 27, 8:28 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| Oct 27, 9:57 PM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Oct 27, 10:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Oct 27, 10:38 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Oct 27, 10:56 PM CDT | Special Weather Statement | OUN | 34 min |
| Nov 7, 9:58 PM CST | Dense Fog Advisory | OUN | 11 hr |
| Nov 11, 2:43 AM CST | Freeze Warning | OUN | 30 hr |
| Dec 2, 1:34 PM CST | Wind Advisory | OUN | 13 hr |
| Dec 8, 2:14 AM CST | Dense Fog Advisory | OUN | 11 hr |
| Dec 12, 9:54 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 19, 11:49 AM CST | Wind Chill Watch | OUN | 40 hr |
| Dec 21, 3:46 AM CST | Wind Chill Advisory | OUN | 56 hr |
| Dec 21, 2:30 PM CST | Wind Advisory | OUN | 22 hr |
| Dec 21, 2:37 PM CST | Winter Weather Advisory | OUN | 25 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 | 20 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 10 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 22 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 4 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 1 |
| Wind Chill Watch | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 13 |
| Fire | |
| Red Flag Warning | 28 |
| Fire Weather Watch | 20 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.