Alert archive / Arkansas / Woodruff County
Weather alerts in Woodruff County, Arkansas, 2020
129 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Woodruff County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 129
- Warnings
- 45
- Watches
- 16
- Advisories
- 29
- Busiest month
- August22 alerts
- Busiest day
- August 27, 20208 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 6 tornado warnings covering Woodruff County in 2020 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 37 minutes after it went out.
Woodruff County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 3 | 50% | 1 | 100% | 37 min |
| Severe thunderstorm warnings | 17 | 7 | 59% | 2 | 100% | 29 min |
| Flash flood warnings | 4 | 1 | 75% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Little Rock, AR: tornado warnings | 54 | 11 | 80% | 30 | 70% | 16 min |
| NWS Little Rock, AR: severe thunderstorm warnings | 376 | 136 | 64% | 298 | 85% | 24 min |
| NWS Little Rock, AR: flash flood warnings | 107 | 43 | 60% | 104 | 84% | 82 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 9, 4:30 AM CST | Flash Flood Watch | LZK | 49 hr |
| Jan 9, 11:49 AM CST | River Flood Warning | LZK | 194 days |
| Jan 10, 4:53 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 2:25 PM CST | Wind Advisory | LZK | 21 hr |
| Jan 10, 4:55 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 5:34 PM CST | Tornado Watch | SPC | 11 hr |
| Jan 10, 10:40 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 11, 12:08 AM CST | Severe Thunderstorm Warning | LZK | 67 min |
| Jan 11, 1:17 AM CST | Severe Thunderstorm Warning | LZK | 58 min |
| Jan 11, 2:15 AM CST | Severe Thunderstorm Warning | LZK | 45 min |
| Jan 11, 9:46 AM CST | River Flood Warning | LZK | 63 days |
| Jan 14, 4:01 AM CST | Dense Fog Advisory | LZK | 5 hr |
| Jan 14, 9:22 AM CST | Dense Fog Advisory | LZK | 98 min |
| Jan 14, 6:24 PM CST | Dense Fog Advisory | LZK | 15 hr |
| Jan 15, 9:03 AM CST | Dense Fog Advisory | LZK | 117 min |
| Jan 26, 10:52 PM CST | Dense Fog Advisory | LZK | 11 hr |
| Feb 4, 10:21 AM CST | River Flood Warning | LZK | 29 days |
| Feb 10, 3:33 AM CST | Flash Flood Watch | LZK | 62 hr |
| Feb 24, 12:20 PM CST | Mesoscale Discussion | SPC | 115 min |
| Mar 11, 8:48 AM CDT | Severe Thunderstorm Warning | LZK | 42 min |
| Mar 11, 9:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 12, 3:44 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 15, 11:05 AM CDT | River Flood Warning | LZK | 36 days |
| Mar 18, 10:48 AM CDT | River Flood Warning | LZK | 47 days |
| Mar 19, 2:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Mar 19, 9:50 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 19, 11:14 PM CDT | Special Weather Statement | LZK | 46 min |
| Mar 24, 2:15 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 28, 12:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 28, 2:10 PM CDT | Tornado Watch | SPC | 5 hr |
| Mar 28, 2:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Mar 28, 3:59 PM CDT | Tornado Warning | LZK | 46 min |
| Mar 28, 5:56 PM CDT | Severe Thunderstorm Warning | LZK | 21 min |
| Apr 12, 3:17 AM CDT | Wind Advisory | LZK | 28 hr |
| Apr 12, 5:59 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 12, 7:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 12, 8:19 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Apr 12, 8:53 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| Apr 12, 9:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 14, 2:38 PM CDT | Frost Advisory | LZK | 18 hr |
| Apr 20, 1:33 AM CDT | Dense Fog Advisory | LZK | 9 hr |
| Apr 22, 3:38 PM CDT | Wind Advisory | LZK | 12 hr |
| Apr 24, 8:31 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 24, 11:50 PM CDT | Special Weather Statement | LZK | 55 min |
| Apr 25, 10:36 AM CDT | River Flood Warning | LZK | 30 days |
| Apr 25, 1:24 PM CDT | Wind Advisory | LZK | 6 hr |
| Apr 28, 6:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 28, 7:35 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 10:28 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Apr 28, 10:43 PM CDT | Severe Thunderstorm Warning | LZK | 32 min |
| Apr 28, 11:13 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| May 7, 2:52 PM CDT | Wind Advisory | LZK | 28 hr |
| May 17, 10:21 AM CDT | River Flood Warning | LZK | 21 days |
| May 22, 9:52 AM CDT | River Flood Warning | LZK | 28 days |
| May 22, 12:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 22, 2:55 PM CDT | Severe Thunderstorm Warning | LZK | 35 min |
| May 22, 3:18 PM CDT | Tornado Warning | LZK | 12 min |
| May 23, 3:08 AM CDT | Severe Thunderstorm Warning | LZK | 31 min |
| May 23, 3:35 AM CDT | Severe Thunderstorm Warning | LZK | 25 min |
| May 23, 3:56 AM CDT | Special Weather Statement | LZK | 49 min |
| May 23, 4:00 AM CDT | Special Weather Statement | LZK | 45 min |
| May 24, 11:12 PM CDT | Special Weather Statement | LZK | 48 min |
| May 27, 8:06 AM CDT | Flash Flood Warning | LZK | 3 hr |
| May 27, 9:58 AM CDT | River Flood Warning | LZK | 7 days |
| Jun 5, 10:38 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 1:22 PM CDT | Special Weather Statement | LZK | 23 min |
| Jun 5, 1:28 PM CDT | Severe Thunderstorm Warning | LZK | 32 min |
| Jun 7, 2:50 AM CDT | Flash Flood Watch | LZK | 49 hr |
| Jun 7, 3:04 PM CDT | Wind Advisory | LZK | 52 hr |
| Jun 7, 8:46 PM CDT | River Flood Warning | LZK | 4 days |
| Jun 21, 5:23 PM CDT | Special Weather Statement | LZK | 52 min |
| Jun 23, 12:01 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 1:13 PM CDT | Severe Thunderstorm Warning | LZK | 47 min |
| Jun 28, 8:16 PM CDT | Special Weather Statement | LZK | 44 min |
| Jun 30, 2:22 PM CDT | Heat Advisory | LZK | 53 hr |
| Jul 1, 2:15 PM CDT | Special Weather Statement | LZK | 30 min |
| Jul 1, 2:49 PM CDT | Special Weather Statement | LZK | 41 min |
| Jul 1, 2:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 2, 4:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 1:23 PM CDT | Flash Flood Warning | LZK | 102 min |
| Jul 5, 6:23 PM CDT | Special Weather Statement | LZK | 52 min |
| Jul 9, 3:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jul 10, 9:19 PM CDT | Heat Advisory | LZK | 23 hr |
| Jul 14, 2:43 PM CDT | Heat Advisory | LZK | 29 hr |
| Jul 15, 2:22 PM CDT | Heat Advisory | LZK | 30 hr |
| Jul 16, 12:23 PM CDT | Special Weather Statement | LZK | 52 min |
| Jul 16, 12:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 3:22 AM CDT | Heat Advisory | LZK | 17 hr |
| Aug 11, 12:34 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 22, 3:16 AM CDT | Dense Fog Advisory | LZK | 6 hr |
| Aug 26, 3:11 AM CDT | Flash Flood Watch | LZK | 50 hr |
| Aug 26, 8:23 PM CDT | Special Weather Statement | LZK | 52 min |
| Aug 27, 3:32 AM CDT | Wind Advisory | LZK | 20 hr |
| Aug 27, 3:47 PM CDT | Tornado Watch | SPC | 8 hr |
| Aug 27, 5:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 27, 6:08 PM CDT | Tornado Warning | LZK | 52 min |
| Aug 27, 6:19 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 27, 6:44 PM CDT | Tornado Warning | LZK | 18 min |
| Aug 27, 6:54 PM CDT | Tornado Warning | LZK | 8 min |
| Aug 27, 7:14 PM CDT | Tornado Warning | LZK | 28 min |
| Aug 27, 7:21 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 27, 11:02 PM CDT | Wind Advisory | LZK | 8 hr |
| Aug 28, 10:51 AM CDT | River Flood Warning | LZK | 12 days |
| Aug 28, 10:57 AM CDT | River Flood Warning | LZK | 22 days |
| Aug 28, 2:43 PM CDT | Heat Advisory | LZK | 29 hr |
| Aug 29, 4:01 AM CDT | Flash Flood Watch | LZK | 27 hr |
| Aug 29, 11:56 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 29, 3:16 PM CDT | Special Weather Statement | LZK | 44 min |
| Aug 29, 3:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 1, 2:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Sep 1, 3:17 PM CDT | Tornado Watch | SPC | 4 hr |
| Sep 1, 4:30 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| Sep 1, 5:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Oct 28, 10:17 AM CDT | River Flood Advisory | LZK | 48 hr |
| Oct 28, 10:23 AM CDT | River Flood Warning | LZK | 16 days |
| Oct 28, 8:32 PM CDT | Areal Flood Warning | LZK | 3 hr |
| Oct 28, 9:31 PM CDT | Areal Flood Warning | LZK | 3 hr |
| Oct 30, 10:24 AM CDT | River Flood Warning | LZK | 7 days |
| Nov 1, 3:42 AM CST | Freeze Warning | LZK | 28 hr |
| Nov 15, 1:36 AM CST | Severe Thunderstorm Warning | LZK | 24 min |
| Nov 21, 12:10 AM CST | Dense Fog Advisory | LZK | 10 hr |
| Nov 21, 9:12 PM CST | Dense Fog Advisory | LZK | 6 hr |
| Nov 26, 10:02 AM CST | River Flood Warning | LZK | 7 days |
| Dec 19, 8:17 AM CST | River Flood Advisory | LZK | 46 hr |
| Dec 19, 9:29 PM CST | Dense Fog Advisory | LZK | 11 hr |
| Dec 21, 3:33 AM CST | Dense Fog Advisory | LZK | 5 hr |
| Dec 23, 3:46 PM CST | Mesoscale Discussion | SPC | 89 min |
| Dec 29, 9:26 PM CST | River Flood Advisory | LZK | 15 hr |
| Dec 30, 3:56 AM CST | Flash Flood Watch | LZK | 44 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 | 17 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 25 |
| Special Weather Statement | 14 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 4 |
| River Flood Warning | 15 |
| Flash Flood Watch | 6 |
| River Flood Advisory | 3 |
| Heat | |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
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.