Alert archive / Oklahoma / McCurtain County
Weather alerts in McCurtain County, Oklahoma, 2020
223 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McCurtain County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 223
- Warnings
- 71
- Watches
- 24
- Advisories
- 39
- Busiest month
- May54 alerts
- Busiest day
- May 16, 202014 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
6 of 16 tornado warnings covering McCurtain County in 2020 had a tornado report inside them; 3 of 5 tornado reports fell inside a warning, on average 7 minutes after it went out.
McCurtain County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 16 | 6 | 63% | 5 | 60% | 7 min |
| Severe thunderstorm warnings | 35 | 20 | 43% | 17 | 88% | 27 min |
| Flash flood warnings | 8 | 5 | 38% | 8 | 63% | 32 min |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Shreveport, LA: tornado warnings | 77 | 29 | 62% | 67 | 63% | 14 min |
| NWS Shreveport, LA: severe thunderstorm warnings | 252 | 186 | 26% | 540 | 79% | 24 min |
| NWS Shreveport, LA: flash flood warnings | 55 | 37 | 33% | 117 | 90% | 105 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, 11:21 PM CST | Dense Fog Advisory | SHV | 10 hr |
| Jan 9, 4:11 AM CST | Flash Flood Watch | SHV | 49 hr |
| Jan 9, 10:09 AM CST | River Flood Warning | SHV | 64 hr |
| Jan 9, 8:39 PM CST | Lake Wind Advisory | SHV | 32 hr |
| Jan 10, 1:44 PM CST | Mesoscale Discussion | SPC | 91 min |
| Jan 10, 4:55 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 5:34 PM CST | Tornado Watch | SPC | 11 hr |
| Jan 10, 6:44 PM CST | Special Weather Statement | SHV | 31 min |
| Jan 10, 6:58 PM CST | Severe Thunderstorm Warning | SHV | 47 min |
| Jan 10, 7:06 PM CST | Tornado Warning | SHV | 24 min |
| Jan 10, 7:30 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 7:49 PM CST | Tornado Warning | SHV | 25 min |
| Jan 10, 8:32 PM CST | Flash Flood Warning | SHV | 3 hr |
| Jan 10, 10:26 PM CST | Flash Flood Warning | SHV | 3 hr |
| Jan 14, 4:37 AM CST | Dense Fog Advisory | SHV | 5 hr |
| Jan 14, 8:35 PM CST | Dense Fog Advisory | SHV | 12 hr |
| Jan 18, 3:15 AM CST | Lake Wind Advisory | SHV | 12 hr |
| Jan 21, 1:21 PM CST | Winter Weather Advisory | SHV | 26 hr |
| Jan 26, 11:10 PM CST | Dense Fog Advisory | SHV | 11 hr |
| Feb 9, 3:56 PM CST | Flash Flood Watch | SHV | 71 hr |
| Feb 23, 1:30 PM CST | Lake Wind Advisory | SHV | 29 hr |
| Feb 26, 2:04 AM CST | Lake Wind Advisory | SHV | 16 hr |
| Mar 12, 3:44 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 12, 7:21 PM CDT | Special Weather Statement | SHV | 39 min |
| Mar 12, 8:00 PM CDT | Special Weather Statement | SHV | 45 min |
| Mar 12, 9:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 14, 11:12 PM CDT | Special Weather Statement | SHV | 63 min |
| Mar 14, 11:44 PM CDT | Special Weather Statement | SHV | 46 min |
| Mar 15, 12:36 AM CDT | Special Weather Statement | SHV | 39 min |
| Mar 17, 3:07 AM CDT | Dense Fog Advisory | SHV | 7 hr |
| Mar 18, 7:19 AM CDT | Areal Flood Warning | SHV | 3 hr |
| Mar 18, 3:05 PM CDT | Flash Flood Watch | SHV | 31 hr |
| Mar 19, 1:58 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Mar 19, 2:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 19, 6:54 PM CDT | Special Weather Statement | SHV | 66 min |
| Mar 19, 7:24 PM CDT | Severe Thunderstorm Warning | SHV | 53 min |
| Mar 19, 9:27 PM CDT | Severe Thunderstorm Warning | SHV | 33 min |
| Mar 20, 9:11 PM CDT | River Flood Warning | SHV | 12 hr |
| Mar 28, 10:27 AM CDT | Special Weather Statement | SHV | 48 min |
| Mar 28, 11:08 AM CDT | Special Weather Statement | SHV | 37 min |
| Mar 28, 11:12 AM CDT | Special Weather Statement | SHV | 48 min |
| Apr 12, 2:45 AM CDT | Lake Wind Advisory | SHV | 21 hr |
| Apr 12, 1:10 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 12, 2:51 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 12, 5:39 PM CDT | Severe Thunderstorm Warning | SHV | 66 min |
| Apr 12, 5:43 PM CDT | Special Weather Statement | SHV | 47 min |
| Apr 12, 6:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 14, 3:19 PM CDT | Freeze Warning | SHV | 17 hr |
| Apr 18, 8:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 18, 8:50 PM CDT | Special Weather Statement | SHV | 40 min |
| Apr 18, 9:30 PM CDT | Special Weather Statement | SHV | 15 min |
| Apr 19, 11:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 19, 2:46 PM CDT | Special Weather Statement | SHV | 44 min |
| Apr 19, 4:09 PM CDT | Severe Thunderstorm Warning | SHV | 35 min |
| Apr 19, 4:11 PM CDT | Special Weather Statement | SHV | 64 min |
| Apr 19, 4:27 PM CDT | Special Weather Statement | SHV | 63 min |
| Apr 22, 12:57 AM CDT | Special Weather Statement | SHV | 63 min |
| Apr 22, 1:21 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 22, 1:46 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 22, 2:32 AM CDT | Special Weather Statement | SHV | 43 min |
| Apr 22, 2:43 AM CDT | Severe Thunderstorm Warning | SHV | 34 min |
| Apr 22, 3:50 AM CDT | Lake Wind Advisory | SHV | 20 hr |
| Apr 22, 4:00 AM CDT | Special Weather Statement | SHV | 45 min |
| Apr 22, 9:32 AM CDT | Special Weather Statement | SHV | 43 min |
| Apr 22, 12:11 PM CDT | Special Weather Statement | SHV | 34 min |
| Apr 22, 6:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 22, 7:00 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 22, 7:01 PM CDT | Tornado Warning | SHV | 44 min |
| Apr 22, 7:41 PM CDT | Tornado Warning | SHV | 21 min |
| Apr 22, 8:08 PM CDT | Severe Thunderstorm Warning | SHV | 37 min |
| Apr 22, 8:12 PM CDT | Tornado Warning | SHV | 23 min |
| Apr 22, 8:25 PM CDT | Tornado Warning | SHV | 23 min |
| Apr 22, 8:41 PM CDT | Severe Thunderstorm Warning | SHV | 49 min |
| Apr 22, 9:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 22, 9:22 PM CDT | Severe Thunderstorm Warning | SHV | 38 min |
| Apr 24, 3:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 24, 4:49 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 24, 7:19 PM CDT | Mesoscale Discussion | SPC | 101 min |
| Apr 24, 7:50 PM CDT | Special Weather Statement | SHV | 40 min |
| Apr 24, 9:09 PM CDT | Special Weather Statement | SHV | 51 min |
| Apr 28, 8:25 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 28, 9:17 PM CDT | Severe Thunderstorm Warning | SHV | 43 min |
| Apr 28, 9:24 PM CDT | Severe Thunderstorm Warning | SHV | 36 min |
| Apr 28, 9:33 PM CDT | Tornado Warning | SHV | 42 min |
| Apr 28, 9:42 PM CDT | Severe Thunderstorm Warning | SHV | 12 min |
| Apr 28, 9:51 PM CDT | Severe Thunderstorm Warning | SHV | 39 min |
| Apr 28, 10:00 PM CDT | Tornado Warning | SHV | 16 min |
| Apr 28, 10:08 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Apr 28, 10:25 PM CDT | Severe Thunderstorm Warning | SHV | 50 min |
| Apr 28, 11:01 PM CDT | Severe Thunderstorm Warning | SHV | 44 min |
| Apr 29, 3:21 PM CDT | Lake Wind Advisory | SHV | 4 hr |
| May 5, 12:53 AM CDT | Severe Thunderstorm Warning | SHV | 52 min |
| May 5, 1:45 AM CDT | Severe Thunderstorm Warning | SHV | 45 min |
| May 5, 2:34 AM CDT | Special Weather Statement | SHV | 41 min |
| May 5, 2:45 AM CDT | Severe Thunderstorm Warning | SHV | 45 min |
| May 5, 3:15 AM CDT | Special Weather Statement | SHV | 45 min |
| May 5, 5:00 AM CDT | Severe Thunderstorm Warning | SHV | 60 min |
| May 8, 1:12 AM CDT | Lake Wind Advisory | SHV | 18 hr |
| May 8, 2:30 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 8, 3:06 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 8, 3:24 AM CDT | Severe Thunderstorm Warning | SHV | 66 min |
| May 8, 4:05 AM CDT | Severe Thunderstorm Warning | SHV | 40 min |
| May 15, 1:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 1:39 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 15, 3:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 16, 1:16 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 2:33 PM CDT | Tornado Warning | SHV | 42 min |
| May 16, 3:10 PM CDT | Tornado Warning | SHV | 50 min |
| May 16, 3:11 PM CDT | Tornado Warning | SHV | 49 min |
| May 16, 3:27 PM CDT | Tornado Watch | SPC | 6 hr |
| May 16, 3:44 PM CDT | Tornado Warning | SHV | 46 min |
| May 16, 3:47 PM CDT | Tornado Warning | SHV | 43 min |
| May 16, 4:23 PM CDT | Tornado Warning | SHV | 52 min |
| May 16, 4:37 PM CDT | Flash Flood Watch | SHV | 14 hr |
| May 16, 4:37 PM CDT | Tornado Warning | SHV | 38 min |
| May 16, 5:12 PM CDT | Tornado Warning | SHV | 48 min |
| May 16, 5:31 PM CDT | Mesoscale Discussion | SPC | 59 min |
| May 16, 5:42 PM CDT | Flash Flood Warning | SHV | 4 hr |
| May 16, 6:36 PM CDT | Flash Flood Warning | SHV | 3 hr |
| May 16, 9:15 PM CDT | Areal Flood Warning | SHV | 3 hr |
| May 17, 12:14 AM CDT | Areal Flood Advisory | SHV | 3 hr |
| May 22, 10:14 AM CDT | Special Weather Statement | SHV | 46 min |
| May 22, 11:18 AM CDT | Special Weather Statement | SHV | 42 min |
| May 22, 4:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 7:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 22, 7:34 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 22, 11:48 PM CDT | Special Weather Statement | SHV | 57 min |
| May 22, 11:56 PM CDT | Severe Thunderstorm Warning | SHV | 64 min |
| May 22, 11:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 23, 12:21 AM CDT | Special Weather Statement | SHV | 54 min |
| May 23, 12:46 AM CDT | Severe Thunderstorm Warning | SHV | 59 min |
| May 23, 1:57 AM CDT | Special Weather Statement | SHV | 63 min |
| May 23, 2:19 AM CDT | Severe Thunderstorm Warning | SHV | 56 min |
| May 23, 3:15 AM CDT | Special Weather Statement | SHV | 30 min |
| May 24, 4:41 PM CDT | Special Weather Statement | SHV | 49 min |
| May 24, 5:15 PM CDT | Special Weather Statement | SHV | 60 min |
| May 24, 5:22 PM CDT | Areal Flood Advisory | SHV | 3 hr |
| May 24, 5:32 PM CDT | Severe Thunderstorm Warning | SHV | 43 min |
| May 25, 2:45 AM CDT | Flash Flood Watch | SHV | 36 hr |
| May 25, 1:50 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 25, 8:04 PM CDT | Areal Flood Advisory | SHV | 3 hr |
| May 25, 8:16 PM CDT | River Flood Warning | SHV | 61 hr |
| May 25, 8:21 PM CDT | River Flood Warning | SHV | 23 hr |
| May 25, 8:22 PM CDT | River Flood Warning | SHV | 36 hr |
| May 25, 8:23 PM CDT | River Flood Warning | SHV | 14 hr |
| Jun 4, 12:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 9, 4:24 AM CDT | Lake Wind Advisory | SHV | 14 hr |
| Jun 10, 4:33 AM CDT | Lake Wind Advisory | SHV | 13 hr |
| Jun 21, 8:30 AM CDT | Special Weather Statement | SHV | 45 min |
| Jun 21, 8:33 AM CDT | Severe Thunderstorm Warning | SHV | 42 min |
| Jun 21, 9:15 AM CDT | Special Weather Statement | SHV | 45 min |
| Jun 21, 9:46 AM CDT | Flash Flood Warning | SHV | 3 hr |
| Jun 21, 12:45 PM CDT | Flash Flood Warning | SHV | 5 hr |
| Jun 23, 9:13 AM CDT | Special Weather Statement | SHV | 62 min |
| Jun 30, 4:09 AM CDT | Lake Wind Advisory | SHV | 14 hr |
| Jun 30, 1:26 PM CDT | Heat Advisory | SHV | 54 hr |
| Jul 3, 3:51 AM CDT | Heat Advisory | SHV | 11 hr |
| Jul 9, 10:46 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 10, 4:47 AM CDT | Heat Advisory | SHV | 5 days |
| Jul 10, 2:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 2:11 PM CDT | Special Weather Statement | SHV | 64 min |
| Jul 11, 10:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jul 11, 11:19 PM CDT | Severe Thunderstorm Warning | SHV | 56 min |
| Jul 12, 12:17 AM CDT | Severe Thunderstorm Warning | SHV | 43 min |
| Jul 12, 1:05 AM CDT | Special Weather Statement | SHV | 40 min |
| Jul 12, 1:17 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 13, 9:01 AM CDT | Special Weather Statement | SHV | 44 min |
| Jul 13, 9:45 AM CDT | Special Weather Statement | SHV | 45 min |
| Jul 14, 2:09 PM CDT | Heat Advisory | SHV | 53 hr |
| Jul 30, 3:09 PM CDT | Special Weather Statement | SHV | 36 min |
| Jul 30, 3:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 30, 8:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 30, 8:36 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 30, 9:04 PM CDT | Severe Thunderstorm Warning | SHV | 56 min |
| Jul 30, 9:55 PM CDT | Severe Thunderstorm Warning | SHV | 65 min |
| Jul 30, 10:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Aug 2, 4:14 PM CDT | Special Weather Statement | SHV | 31 min |
| Aug 11, 12:34 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 1:24 PM CDT | Special Weather Statement | SHV | 51 min |
| Aug 12, 4:16 AM CDT | Flood Watch | SHV | 9 hr |
| Aug 12, 7:37 AM CDT | Special Weather Statement | SHV | 38 min |
| Aug 12, 8:00 AM CDT | Flash Flood Warning | SHV | 4 hr |
| Aug 14, 2:42 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 3:02 AM CDT | Heat Advisory | SHV | 64 hr |
| Aug 16, 3:14 AM CDT | Heat Advisory | SHV | 16 hr |
| Aug 25, 2:49 PM CDT | Flash Flood Watch | SHV | 60 hr |
| Aug 26, 8:35 AM CDT | Areal Flood Advisory | SHV | 115 min |
| Aug 26, 9:12 AM CDT | Special Weather Statement | SHV | 63 min |
| Aug 26, 9:40 AM CDT | Areal Flood Advisory | SHV | 3 hr |
| Aug 26, 11:06 AM CDT | Flash Flood Warning | SHV | 3 hr |
| Aug 26, 10:19 PM CDT | Wind Advisory | SHV | 17 hr |
| Aug 27, 3:02 PM CDT | Heat Advisory | SHV | 52 hr |
| Aug 27, 3:02 PM CDT | Lake Wind Advisory | SHV | 2 hr |
| Aug 29, 11:45 AM CDT | Excessive Heat Warning | SHV | 7 hr |
| Aug 29, 5:07 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 29, 6:42 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 29, 8:03 PM CDT | Severe Thunderstorm Warning | SHV | 57 min |
| Aug 29, 8:29 PM CDT | Special Weather Statement | SHV | 61 min |
| Aug 29, 8:52 PM CDT | Severe Thunderstorm Warning | SHV | 53 min |
| Aug 29, 9:25 PM CDT | Severe Thunderstorm Warning | SHV | 65 min |
| Aug 29, 11:10 PM CDT | Areal Flood Advisory | SHV | 3 hr |
| Aug 29, 11:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 31, 1:39 PM CDT | Flash Flood Watch | SHV | 61 hr |
| Sep 1, 9:03 PM CDT | River Flood Warning | SHV | 6 hr |
| Sep 5, 2:17 PM CDT | Special Weather Statement | SHV | 43 min |
| Sep 26, 5:04 AM CDT | Dense Fog Advisory | SHV | 5 hr |
| Sep 27, 10:55 PM CDT | Special Weather Statement | TSA | 35 min |
| Sep 27, 11:11 PM CDT | Special Weather Statement | SHV | 64 min |
| Sep 28, 1:43 AM CDT | Lake Wind Advisory | SHV | 17 hr |
| Oct 28, 5:03 AM CDT | Special Weather Statement | SHV | 42 min |
| Oct 29, 3:03 AM CDT | Lake Wind Advisory | SHV | 15 hr |
| Nov 14, 1:04 AM CST | Lake Wind Advisory | SHV | 14 hr |
| Nov 21, 1:26 AM CST | Dense Fog Advisory | SHV | 8 hr |
| Nov 24, 8:03 PM CST | Mesoscale Discussion | SPC | 87 min |
| Nov 24, 8:29 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Nov 24, 9:43 PM CST | Special Weather Statement | SHV | 47 min |
| Nov 24, 10:02 PM CST | Severe Thunderstorm Warning | SHV | 43 min |
| Nov 24, 10:30 PM CST | Special Weather Statement | SHV | 45 min |
| Nov 24, 10:45 PM CST | Severe Thunderstorm Warning | SHV | 30 min |
| Nov 29, 2:11 PM CST | Freeze Warning | SHV | 19 hr |
| Dec 19, 9:38 PM CST | Dense Fog Advisory | SHV | 11 hr |
| Dec 23, 3:07 AM CST | Lake Wind Advisory | SHV | 38 hr |
| Dec 30, 3:12 AM CST | Flash Flood Watch | SHV | 45 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 | 35 |
| Tornado Warning | 16 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 37 |
| Special Weather Statement | 52 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 8 |
| River Flood Warning | 7 |
| Flash Flood Watch | 8 |
| Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 7 |
| Cold | |
| Freeze Warning | 2 |
| Wind and dust | |
| Lake Wind Advisory | 16 |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 8 |
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.