Alert archive / Oklahoma / Alfalfa County
Weather alerts in Alfalfa County, Oklahoma, 2023
167 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Alfalfa County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 167
- Warnings
- 40
- Watches
- 20
- Advisories
- 46
- Busiest month
- July49 alerts
- Busiest day
- July 17, 20238 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 3 tornado warnings covering Alfalfa County in 2023 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 2 minutes after it went out.
Alfalfa County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 1 | 67% | 1 | 100% | 2 min |
| Severe thunderstorm warnings | 30 | 5 | 83% | 1 | 100% | 5 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Norman, OK: tornado warnings | 102 | 31 | 70% | 37 | 86% | 14 min |
| NWS Norman, OK: severe thunderstorm warnings | 894 | 318 | 64% | 884 | 84% | 24 min |
| NWS Norman, OK: flash flood warnings | 57 | 17 | 70% | 38 | 74% | 76 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 2, 6:08 AM CST | Dense Fog Advisory | OUN | 6 hr |
| Jan 11, 2:13 PM CST | Wind Advisory | OUN | 16 hr |
| Jan 23, 3:36 AM CST | Winter Weather Advisory | OUN | 50 hr |
| Feb 8, 6:58 PM CST | Winter Weather Advisory | OUN | 3 hr |
| Feb 13, 2:35 AM CST | Wind Advisory | OUN | 39 hr |
| Feb 20, 3:30 PM CST | Fire Weather Watch | OUN | 35 hr |
| Feb 25, 4:22 PM CST | Wind Advisory | OUN | 38 hr |
| Feb 26, 3:33 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 26, 8:12 PM CST | Severe Thunderstorm Warning | OUN | 48 min |
| Feb 26, 8:29 PM CST | Tornado Warning | OUN | 19 min |
| Feb 26, 8:46 PM CST | Tornado Warning | OUN | 14 min |
| Feb 26, 8:52 PM CST | Tornado Warning | OUN | 23 min |
| Feb 26, 9:06 PM CST | Severe Thunderstorm Warning | OUN | 39 min |
| Mar 15, 3:40 AM CDT | Wind Advisory | OUN | 18 hr |
| Mar 16, 2:48 AM CDT | Wind Advisory | OUN | 22 hr |
| Mar 20, 11:37 AM CDT | Wind Advisory | OUN | 8 hr |
| Mar 29, 3:26 AM CDT | Fire Weather Watch | OUN | 35 hr |
| Mar 30, 2:46 AM CDT | Wind Advisory | OUN | 40 hr |
| Mar 30, 2:47 AM CDT | Red Flag Warning | OUN | 43 hr |
| Mar 31, 1:02 PM CDT | High Wind Warning | OUN | 6 hr |
| Apr 1, 2:58 PM CDT | Fire Weather Watch | OUN | 48 hr |
| Apr 2, 2:40 PM CDT | Wind Advisory | OUN | 55 hr |
| Apr 3, 2:58 PM CDT | Red Flag Warning | OUN | 32 hr |
| Apr 14, 3:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 14, 4:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 14, 6:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Apr 18, 2:57 AM CDT | Fire Weather Watch | OUN | 12 hr |
| Apr 18, 2:55 PM CDT | Red Flag Warning | OUN | 30 hr |
| Apr 19, 8:46 PM CDT | Wind Advisory | OUN | 10 hr |
| Apr 22, 2:22 PM CDT | Frost Advisory | OUN | 18 hr |
| May 5, 3:48 AM CDT | Dense Fog Advisory | OUN | 5 hr |
| May 11, 2:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 19, 1:10 AM CDT | Special Weather Statement | OUN | 65 min |
| May 19, 1:54 AM CDT | Special Weather Statement | OUN | 51 min |
| Jun 1, 3:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 1, 5:13 PM CDT | Severe Thunderstorm Warning | OUN | 32 min |
| Jun 2, 3:12 AM CDT | Flood Watch | OUN | 24 hr |
| Jun 2, 2:20 PM CDT | Severe Thunderstorm Warning | OUN | 23 min |
| Jun 2, 2:35 PM CDT | Special Weather Statement | OUN | 25 min |
| Jun 2, 5:10 PM CDT | Areal Flood Advisory | OUN | 3 hr |
| Jun 5, 4:44 PM CDT | Special Weather Statement | OUN | 31 min |
| Jun 11, 3:13 AM CDT | Special Weather Statement | OUN | 32 min |
| Jun 15, 2:34 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 15, 4:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 6:58 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| Jun 15, 7:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 15, 7:43 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| Jun 15, 8:24 PM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| Jun 17, 4:34 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 17, 5:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 7:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 17, 8:46 PM CDT | Severe Thunderstorm Warning | OUN | 44 min |
| Jun 17, 9:30 PM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Jun 21, 8:00 AM CDT | Severe Thunderstorm Warning | OUN | 45 min |
| Jun 21, 8:20 AM CDT | Severe Thunderstorm Warning | OUN | 25 min |
| Jun 21, 8:48 AM CDT | Special Weather Statement | OUN | 27 min |
| Jun 21, 9:06 AM CDT | Special Weather Statement | OUN | 9 min |
| Jun 21, 9:18 AM CDT | Special Weather Statement | OUN | 27 min |
| Jun 21, 9:49 AM CDT | Severe Thunderstorm Warning | OUN | 26 min |
| Jun 24, 6:12 AM CDT | Special Weather Statement | OUN | 33 min |
| Jun 27, 7:00 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Jun 27, 7:47 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 27, 9:26 PM CDT | Severe Thunderstorm Warning | OUN | 34 min |
| Jun 27, 9:58 PM CDT | Severe Thunderstorm Warning | OUN | 32 min |
| Jun 27, 10:25 PM CDT | Severe Thunderstorm Warning | OUN | 50 min |
| Jun 27, 10:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 5, 6:00 AM CDT | Special Weather Statement | OUN | 45 min |
| Jul 5, 3:19 PM CDT | Special Weather Statement | OUN | 41 min |
| Jul 5, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 7, 12:02 PM CDT | Special Weather Statement | OUN | 28 min |
| Jul 7, 12:18 PM CDT | Special Weather Statement | OUN | 27 min |
| Jul 7, 12:31 PM CDT | Special Weather Statement | OUN | 29 min |
| Jul 7, 12:52 PM CDT | Special Weather Statement | OUN | 23 min |
| Jul 7, 6:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 7, 6:54 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 7, 10:31 PM CDT | Special Weather Statement | OUN | 59 min |
| Jul 7, 11:55 PM CDT | Special Weather Statement | OUN | 65 min |
| Jul 9, 12:27 AM CDT | Special Weather Statement | OUN | 48 min |
| Jul 11, 12:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 11, 2:10 PM CDT | Heat Advisory | OUN | 13 hr |
| Jul 12, 3:07 AM CDT | Excessive Heat Warning | OUN | 18 hr |
| Jul 12, 2:37 PM CDT | Heat Advisory | OUN | 30 hr |
| Jul 12, 11:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 14, 4:58 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 14, 5:16 PM CDT | Severe Thunderstorm Warning | OUN | 59 min |
| Jul 14, 7:35 PM CDT | Special Weather Statement | OUN | 40 min |
| Jul 14, 7:49 PM CDT | Severe Thunderstorm Warning | OUN | 41 min |
| Jul 16, 6:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 16, 7:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 16, 8:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jul 16, 11:31 PM CDT | Special Weather Statement | OUN | 14 min |
| Jul 16, 11:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 17, 2:56 AM CDT | Heat Advisory | OUN | 65 hr |
| Jul 17, 3:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 17, 3:58 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 17, 6:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 17, 7:23 PM CDT | Special Weather Statement | OUN | 52 min |
| Jul 17, 7:37 PM CDT | High Wind Warning | OUN | 99 min |
| Jul 20, 3:27 PM CDT | Flood Watch | OUN | 16 hr |
| Jul 20, 11:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 11:53 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 2:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 21, 2:45 AM CDT | Severe Thunderstorm Warning | OUN | 60 min |
| Jul 21, 3:06 AM CDT | Areal Flood Advisory | OUN | 4 hr |
| Jul 21, 3:18 AM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Jul 21, 4:19 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 21, 4:10 PM CDT | River Flood Advisory | OUN | 16 hr |
| Jul 24, 2:15 AM CDT | Heat Advisory | OUN | 42 hr |
| Jul 25, 1:32 PM CDT | Heat Advisory | OUN | 30 hr |
| Jul 26, 1:13 PM CDT | Heat Advisory | OUN | 31 hr |
| Jul 27, 2:17 PM CDT | Heat Advisory | OUN | 30 hr |
| Jul 28, 3:11 AM CDT | Heat Advisory | OUN | 41 hr |
| Jul 29, 2:56 AM CDT | Heat Advisory | OUN | 41 hr |
| Jul 30, 3:05 AM CDT | Heat Advisory | OUN | 41 hr |
| Jul 31, 3:50 AM CDT | Heat Advisory | OUN | 40 hr |
| Aug 1, 4:19 AM CDT | Heat Advisory | OUN | 41 hr |
| Aug 1, 3:08 PM CDT | Heat Advisory | OUN | 54 hr |
| Aug 2, 2:59 PM CDT | Heat Advisory | OUN | 54 hr |
| Aug 3, 2:53 PM CDT | Heat Advisory | OUN | 44 hr |
| Aug 5, 4:03 AM CDT | Severe Thunderstorm Warning | OUN | 42 min |
| Aug 5, 4:11 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 4:25 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 5, 4:38 AM CDT | Severe Thunderstorm Warning | OUN | 52 min |
| Aug 5, 9:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Aug 6, 1:46 AM CDT | Special Weather Statement | OUN | 29 min |
| Aug 6, 2:07 AM CDT | Severe Thunderstorm Warning | OUN | 23 min |
| Aug 6, 2:27 AM CDT | Severe Thunderstorm Warning | OUN | 48 min |
| Aug 6, 2:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 3:12 AM CDT | Severe Thunderstorm Warning | OUN | 33 min |
| Aug 7, 2:23 AM CDT | Severe Thunderstorm Warning | OUN | 52 min |
| Aug 7, 3:07 AM CDT | Severe Thunderstorm Warning | OUN | 38 min |
| Aug 7, 3:09 AM CDT | Severe Thunderstorm Warning | OUN | 51 min |
| Aug 7, 3:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 11:33 PM CDT | Mesoscale Discussion | SPC | 57 min |
| Aug 8, 12:46 AM CDT | Special Weather Statement | OUN | 29 min |
| Aug 8, 12:58 AM CDT | Special Weather Statement | OUN | 32 min |
| Aug 8, 1:12 AM CDT | Severe Thunderstorm Warning | OUN | 33 min |
| Aug 10, 1:46 PM CDT | Heat Advisory | OUN | 31 hr |
| Aug 11, 2:04 PM CDT | Heat Advisory | OUN | 29 hr |
| Aug 12, 3:37 PM CDT | Special Weather Statement | OUN | 23 min |
| Aug 13, 4:46 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 13, 7:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 8:28 PM CDT | Severe Thunderstorm Warning | OUN | 47 min |
| Aug 19, 2:41 AM CDT | Heat Advisory | OUN | 42 hr |
| Aug 20, 2:08 AM CDT | Heat Advisory | OUN | 43 hr |
| Aug 21, 3:02 AM CDT | Heat Advisory | OUN | 42 hr |
| Sep 7, 8:24 PM CDT | Special Weather Statement | OUN | 36 min |
| Sep 7, 9:07 PM CDT | Special Weather Statement | OUN | 23 min |
| Sep 19, 10:59 AM CDT | Special Weather Statement | OUN | 31 min |
| Oct 3, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 4, 12:10 AM CDT | Special Weather Statement | OUN | 35 min |
| Oct 4, 12:40 AM CDT | Special Weather Statement | OUN | 35 min |
| Oct 4, 7:56 AM CDT | Severe Thunderstorm Warning | OUN | 34 min |
| Oct 4, 8:35 AM CDT | Special Weather Statement | OUN | 25 min |
| Oct 6, 2:31 PM CDT | Frost Advisory | OUN | 17 hr |
| Oct 11, 2:25 PM CDT | Wind Advisory | OUN | 29 hr |
| Oct 12, 3:21 PM CDT | Wind Advisory | OUN | 26 hr |
| Oct 15, 3:32 AM CDT | Frost Advisory | OUN | 29 hr |
| Oct 29, 4:34 AM CDT | Freeze Warning | OUN | 28 hr |
| Nov 6, 6:28 PM CST | Dense Fog Advisory | OUN | 16 hr |
| Nov 24, 2:46 AM CST | Winter Weather Advisory | OUN | 47 hr |
| Nov 25, 8:55 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Nov 25, 12:58 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Nov 30, 6:56 PM CST | Special Weather Statement | OUN | 34 min |
| Dec 2, 3:13 AM CST | Freezing Fog Advisory | OUN | 6 hr |
| Dec 2, 6:29 AM CST | Dense Fog Advisory | OUN | 5 hr |
| Dec 22, 6:56 PM CST | Dense Fog Advisory | OUN | 16 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 | 30 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 29 |
| Special Weather Statement | 32 |
| Flooding | |
| Flood Watch | 2 |
| Areal Flood Advisory | 2 |
| River Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 3 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 20 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 2 |
| Wind Advisory | 11 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.