Alert archive / Arkansas / Woodruff County
Weather alerts in Woodruff County, Arkansas, 2017
171 weather alerts in 2017, 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 2017. Tap one for its archive.
- Alerts
- 171
- Warnings
- 58
- Watches
- 18
- Advisories
- 42
- Busiest month
- April37 alerts
- Busiest day
- April 30, 201719 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 5 tornado warnings covering Woodruff County in 2017 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 22 minutes after it went out.
Woodruff County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 2 | 60% | 1 | 100% | 22 min |
| Severe thunderstorm warnings | 23 | 6 | 74% | 3 | 100% | 8 min |
| Flash flood warnings | 11 | 6 | 45% | 3 | 100% | 119 min |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Little Rock, AR: tornado warnings | 53 | 6 | 89% | 19 | 47% | 21 min |
| NWS Little Rock, AR: severe thunderstorm warnings | 327 | 143 | 56% | 323 | 81% | 23 min |
| NWS Little Rock, AR: flash flood warnings | 83 | 44 | 47% | 77 | 97% | 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 |
|---|---|---|---|
| Dec 31, 9:11 PM CST | Dense Fog Advisory | LZK | 13 hr |
| Jan 2, 1:32 AM CST | Dense Fog Advisory | LZK | 8 hr |
| Jan 2, 7:24 AM CST | Special Weather Statement | LZK | 36 min |
| Jan 2, 9:15 AM CST | Special Weather Statement | LZK | 30 min |
| Jan 2, 5:39 PM CST | Dense Fog Advisory | LZK | 17 hr |
| Jan 5, 2:10 PM CST | Winter Weather Advisory | LZK | 28 hr |
| Jan 9, 3:27 AM CST | Lake Wind Advisory | LZK | 39 hr |
| Jan 9, 12:06 PM CST | Wind Advisory | LZK | 30 hr |
| Jan 11, 3:50 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Jan 13, 6:10 PM CST | Dense Fog Advisory | LZK | 17 hr |
| Jan 15, 12:25 AM CST | Dense Fog Advisory | LZK | 11 hr |
| Jan 15, 6:17 PM CST | Dense Fog Advisory | LZK | 14 hr |
| Jan 18, 9:32 PM CST | River Flood Warning | LZK | 7 days |
| Jan 22, 3:22 AM CST | Lake Wind Advisory | LZK | 24 hr |
| Feb 6, 6:19 AM CST | Dense Fog Advisory | LZK | 5 hr |
| Feb 6, 10:31 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 6, 10:59 PM CST | Severe Thunderstorm Watch | SPC | 9 hr |
| Feb 7, 1:52 AM CST | Mesoscale Discussion | SPC | 113 min |
| Feb 7, 4:37 AM CST | Special Weather Statement | LZK | 53 min |
| Feb 7, 4:43 AM CST | Severe Thunderstorm Warning | LZK | 47 min |
| Feb 7, 6:18 AM CST | Severe Thunderstorm Warning | LZK | 42 min |
| Feb 7, 6:56 AM CST | Severe Thunderstorm Warning | LZK | 34 min |
| Feb 9, 2:12 PM CST | Lake Wind Advisory | LZK | 28 hr |
| Feb 11, 10:33 AM CST | Lake Wind Advisory | LZK | 7 hr |
| Feb 19, 2:18 AM CST | Dense Fog Advisory | LZK | 7 hr |
| Feb 21, 9:31 PM CST | Dense Fog Advisory | LZK | 11 hr |
| Feb 23, 4:10 AM CST | Dense Fog Advisory | LZK | 5 hr |
| Feb 28, 1:46 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 28, 2:57 PM CST | Lake Wind Advisory | LZK | 27 hr |
| Feb 28, 3:40 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 28, 5:28 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 28, 7:09 PM CST | Severe Thunderstorm Warning | LZK | 51 min |
| Feb 28, 7:14 PM CST | Tornado Warning | LZK | 35 min |
| Feb 28, 7:46 PM CST | Mesoscale Discussion | SPC | 119 min |
| Feb 28, 7:52 PM CST | Severe Thunderstorm Warning | LZK | 23 min |
| Mar 1, 2:09 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 1, 3:05 AM CST | Severe Thunderstorm Warning | LZK | 40 min |
| Mar 1, 3:16 AM CST | Special Weather Statement | LZK | 44 min |
| Mar 1, 5:12 AM CST | Severe Thunderstorm Warning | LZK | 48 min |
| Mar 6, 9:21 PM CST | Tornado Watch | SPC | 8 hr |
| Mar 7, 2:58 AM CST | Mesoscale Discussion | SPC | 92 min |
| Mar 7, 4:38 AM CST | Special Weather Statement | LZK | 37 min |
| Mar 8, 9:34 AM CST | River Flood Warning | LZK | 11 days |
| Mar 9, 5:36 PM CST | Mesoscale Discussion | SPC | 84 min |
| Mar 9, 6:42 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 9, 9:30 PM CST | Mesoscale Discussion | SPC | 90 min |
| Mar 9, 10:11 PM CST | Severe Thunderstorm Warning | LZK | 49 min |
| Mar 9, 10:50 PM CST | Severe Thunderstorm Warning | LZK | 25 min |
| Mar 10, 4:22 AM CST | Lake Wind Advisory | LZK | 11 hr |
| Mar 11, 2:46 AM CST | Freeze Warning | LZK | 29 hr |
| Mar 13, 3:57 PM CDT | Freeze Watch | LZK | 227 days |
| Mar 14, 3:50 AM CDT | Freeze Warning | LZK | 31 hr |
| Mar 15, 12:44 PM CDT | Freeze Warning | LZK | 15 hr |
| Mar 17, 6:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 23, 2:40 PM CDT | Lake Wind Advisory | LZK | 31 hr |
| Mar 24, 9:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Mar 25, 12:14 AM CDT | Severe Thunderstorm Warning | LZK | 61 min |
| Mar 25, 12:49 AM CDT | Special Weather Statement | LZK | 41 min |
| Mar 25, 10:15 AM CDT | River Flood Warning | LZK | 11 days |
| Mar 27, 10:29 AM CDT | River Flood Warning | LZK | 14 days |
| Apr 4, 9:30 PM CDT | Lake Wind Advisory | LZK | 24 hr |
| Apr 8, 2:58 PM CDT | Lake Wind Advisory | LZK | 29 hr |
| Apr 21, 1:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Apr 22, 10:22 AM CDT | River Flood Warning | LZK | 60 days |
| Apr 23, 9:55 AM CDT | River Flood Warning | LZK | 48 days |
| Apr 25, 11:48 AM CDT | Lake Wind Advisory | LZK | 7 hr |
| Apr 26, 4:19 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| Apr 26, 9:39 AM CDT | Mesoscale Discussion | SPC | 36 min |
| Apr 26, 10:08 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 4:21 PM CDT | Tornado Warning | LZK | 39 min |
| Apr 26, 4:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 26, 4:33 PM CDT | Severe Thunderstorm Warning | LZK | 42 min |
| Apr 26, 4:44 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 26, 4:46 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Apr 27, 4:33 AM CDT | Flash Flood Watch | LZK | 3 days |
| Apr 27, 11:50 AM CDT | River Flood Warning | LZK | 48 days |
| Apr 28, 2:31 PM CDT | Lake Wind Advisory | LZK | 44 hr |
| Apr 29, 6:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 29, 9:10 PM CDT | Severe Thunderstorm Warning | LZK | 50 min |
| Apr 29, 9:58 PM CDT | Special Weather Statement | LZK | 47 min |
| Apr 29, 10:23 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 29, 11:37 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 30, 12:35 AM CDT | Tornado Warning | LZK | 25 min |
| Apr 30, 12:54 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 30, 12:56 AM CDT | Tornado Warning | LZK | 23 min |
| Apr 30, 1:06 AM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| Apr 30, 2:54 AM CDT | Flash Flood Warning | LZK | 4 hr |
| Apr 30, 2:57 AM CDT | Special Weather Statement | LZK | 48 min |
| Apr 30, 3:12 AM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| Apr 30, 3:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 30, 3:53 AM CDT | Special Weather Statement | LZK | 52 min |
| Apr 30, 4:45 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 30, 4:52 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 30, 5:14 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 30, 5:41 AM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 30, 8:12 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 30, 11:07 AM CDT | Areal Flood Warning | LZK | 9 hr |
| May 1, 4:02 AM CDT | Lake Wind Advisory | LZK | 15 hr |
| May 4, 3:09 AM CDT | Lake Wind Advisory | LZK | 16 hr |
| May 5, 8:57 AM CDT | Lake Wind Advisory | LZK | 9 hr |
| May 11, 3:17 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 11, 5:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 17, 4:17 AM CDT | Lake Wind Advisory | LZK | 16 hr |
| May 19, 4:20 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| May 19, 5:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 23, 6:19 PM CDT | Special Weather Statement | LZK | 41 min |
| May 26, 10:11 AM CDT | Lake Wind Advisory | LZK | 9 hr |
| May 27, 9:49 PM CDT | Special Weather Statement | LZK | 41 min |
| May 27, 10:28 PM CDT | Special Weather Statement | LZK | 47 min |
| May 28, 12:18 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 30, 3:09 PM CDT | Special Weather Statement | LZK | 36 min |
| May 30, 3:45 PM CDT | Special Weather Statement | LZK | 15 min |
| Jun 18, 8:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 18, 9:43 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 18, 12:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Jun 18, 1:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 22, 2:27 AM CDT | Flash Flood Watch | LZK | 32 hr |
| Jun 22, 6:59 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jun 23, 2:04 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 23, 4:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 4, 2:31 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Jul 4, 2:41 PM CDT | Tornado Warning | LZK | 17 min |
| Jul 5, 11:25 AM CDT | River Flood Warning | LZK | 7 days |
| Jul 5, 11:26 AM CDT | River Flood Warning | LZK | 8 days |
| Jul 7, 11:41 PM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Jul 8, 4:54 AM CDT | Special Weather Statement | LZK | 21 min |
| Jul 19, 2:51 PM CDT | Heat Advisory | LZK | 4 days |
| Jul 23, 3:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 24, 2:46 PM CDT | Heat Advisory | LZK | 3 days |
| Jul 27, 6:56 PM CDT | Severe Thunderstorm Warning | LZK | 37 min |
| Jul 27, 7:35 PM CDT | Special Weather Statement | LZK | 40 min |
| Jul 27, 7:46 PM CDT | Severe Thunderstorm Warning | LZK | 34 min |
| Aug 11, 12:31 PM CDT | Severe Thunderstorm Warning | LZK | 15 min |
| Aug 13, 4:41 PM CDT | River Flood Warning | LZK | 9 days |
| Aug 15, 6:42 AM CDT | Special Weather Statement | LZK | 63 min |
| Aug 19, 2:50 AM CDT | Heat Advisory | LZK | 40 hr |
| Aug 20, 1:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Aug 29, 6:54 PM CDT | Flash Flood Watch | LZK | 49 hr |
| Aug 30, 3:57 PM CDT | Wind Advisory | LZK | 27 hr |
| Aug 31, 6:22 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 31, 8:01 AM CDT | River Flood Warning | LZK | 6 days |
| Aug 31, 8:42 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 31, 9:13 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 31, 11:44 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 31, 12:10 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 31, 2:40 PM CDT | Flash Flood Warning | LZK | 110 min |
| Sep 18, 8:40 PM CDT | Special Weather Statement | LZK | 50 min |
| Sep 18, 9:01 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Oct 9, 5:56 AM CDT | Dense Fog Advisory | LZK | 4 hr |
| Oct 10, 5:19 AM CDT | Dense Fog Advisory | LZK | 4 hr |
| Oct 21, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 22, 4:23 AM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Oct 22, 4:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Oct 22, 5:04 AM CDT | Special Weather Statement | LZK | 26 min |
| Oct 23, 2:39 PM CDT | Lake Wind Advisory | LZK | 28 hr |
| Oct 27, 3:50 AM CDT | Freeze Warning | LZK | 54 hr |
| Nov 4, 3:01 AM CDT | Dense Fog Advisory | LZK | 7 hr |
| Nov 6, 10:10 AM CST | Special Weather Statement | LZK | 20 min |
| Nov 6, 10:43 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Nov 15, 7:42 PM CST | Dense Fog Advisory | LZK | 6 hr |
| Nov 17, 1:24 PM CST | Lake Wind Advisory | LZK | 29 hr |
| Nov 18, 12:36 PM CST | Special Weather Statement | LZK | 24 min |
| Dec 4, 10:57 PM CST | Special Weather Statement | LZK | 63 min |
| Dec 4, 11:57 PM CST | Special Weather Statement | LZK | 48 min |
| Dec 11, 3:26 AM CST | Red Flag Warning | LZK | 15 hr |
| Dec 13, 4:01 AM CST | Lake Wind Advisory | LZK | 14 hr |
| Dec 21, 3:33 AM CST | Dense Fog Advisory | LZK | 7 hr |
| Dec 21, 2:42 PM CST | Flash Flood Watch | LZK | 13 hr |
| Dec 22, 4:06 AM CST | Flash Flood Watch | LZK | 24 hr |
| Dec 22, 8:55 PM CST | Areal Flood Warning | LZK | 3 hr |
| Dec 23, 2:46 AM CST | River Flood Warning | LZK | 9 days |
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 | 23 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 23 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 11 |
| River Flood Warning | 12 |
| Flash Flood Watch | 5 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 1 |
| Wind and dust | |
| Lake Wind Advisory | 21 |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 15 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.