Alert archive / Arkansas / Clark County
Weather alerts in Clark County, Arkansas, 2019
140 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Clark County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 140
- Warnings
- 49
- Watches
- 19
- Advisories
- 28
- Busiest month
- May22 alerts
- Busiest day
- July 16, 20198 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Clark County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 5 | 67% | 0 | ||
| Flash flood warnings | 16 | 8 | 50% | 6 | 100% | 152 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Little Rock, AR: tornado warnings | 41 | 8 | 80% | 29 | 69% | 7 min |
| NWS Little Rock, AR: severe thunderstorm warnings | 305 | 131 | 57% | 300 | 82% | 22 min |
| NWS Little Rock, AR: flash flood warnings | 117 | 49 | 58% | 110 | 92% | 108 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 4, 11:37 AM CST | River Flood Warning | LZK | 24 hr |
| Jan 5, 7:14 PM CST | Dense Fog Advisory | LZK | 11 hr |
| Jan 8, 4:16 AM CST | Dense Fog Advisory | LZK | 6 hr |
| Jan 18, 2:21 PM CST | Wind Advisory | LZK | 34 hr |
| Jan 18, 5:50 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 19, 2:06 AM CST | Special Weather Statement | LZK | 39 min |
| Feb 12, 3:48 AM CST | Dense Fog Advisory | LZK | 4 hr |
| Feb 12, 5:20 AM CST | River Flood Warning | LZK | 15 hr |
| Feb 19, 9:40 AM CST | River Flood Warning | LZK | 23 hr |
| Feb 19, 2:57 PM CST | Special Weather Statement | LZK | 33 min |
| Feb 19, 9:40 PM CST | Flash Flood Warning | LZK | 3 hr |
| Feb 21, 2:27 PM CST | Flash Flood Watch | LZK | 48 hr |
| Feb 22, 2:07 AM CST | Special Weather Statement | LZK | 38 min |
| Feb 22, 2:37 PM CST | Wind Advisory | LZK | 38 hr |
| Feb 23, 1:09 AM CST | Dense Fog Advisory | LZK | 11 hr |
| Feb 23, 3:45 PM CST | River Flood Warning | LZK | 23 hr |
| Mar 8, 9:16 AM CST | Dense Fog Advisory | LZK | 104 min |
| Mar 9, 3:03 AM CST | Mesoscale Discussion | SPC | 117 min |
| Mar 9, 6:58 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 9, 7:18 AM CST | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 9, 9:01 AM CST | Severe Thunderstorm Warning | LZK | 44 min |
| Mar 12, 2:29 PM CDT | Wind Advisory | LZK | 29 hr |
| Mar 14, 3:06 AM CDT | Special Weather Statement | LZK | 24 min |
| Mar 14, 3:24 AM CDT | Special Weather Statement | LZK | 36 min |
| Mar 21, 1:23 AM CDT | Dense Fog Advisory | LZK | 4 hr |
| Mar 24, 3:28 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 24, 5:08 PM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| Mar 24, 6:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Mar 24, 10:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 24, 11:46 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Mar 25, 2:26 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Mar 30, 4:01 AM CDT | Freeze Watch | LZK | 23 hr |
| Mar 31, 2:49 AM CDT | Freeze Warning | LZK | 30 hr |
| Apr 5, 2:11 AM CDT | Dense Fog Advisory | LZK | 7 hr |
| Apr 6, 1:22 PM CDT | Special Weather Statement | LZK | 23 min |
| Apr 6, 1:51 PM CDT | Severe Thunderstorm Warning | LZK | 26 min |
| Apr 6, 3:20 PM CDT | Special Weather Statement | LZK | 40 min |
| Apr 7, 5:29 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 12:44 PM CDT | Special Weather Statement | LZK | 31 min |
| Apr 7, 1:45 PM CDT | Flash Flood Warning | LZK | 2 hr |
| Apr 12, 12:16 PM CDT | River Flood Warning | LZK | 46 hr |
| Apr 13, 4:04 AM CDT | Flash Flood Watch | LZK | 18 hr |
| Apr 13, 4:11 AM CDT | Wind Advisory | LZK | 20 hr |
| Apr 17, 2:55 PM CDT | Flood Watch | LZK | 11 hr |
| Apr 18, 1:15 AM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 18, 1:53 AM CDT | Flash Flood Watch | LZK | 17 hr |
| Apr 18, 4:30 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Apr 18, 8:45 AM CDT | River Flood Warning | LZK | 26 hr |
| Apr 18, 8:48 AM CDT | River Flood Warning | LZK | 26 hr |
| Apr 25, 1:08 AM CDT | Special Weather Statement | LZK | 52 min |
| May 1, 8:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 11:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| May 2, 8:54 PM CDT | Flash Flood Watch | LZK | 31 hr |
| May 3, 1:44 AM CDT | River Flood Warning | LZK | 39 hr |
| May 7, 3:26 AM CDT | Flash Flood Watch | LZK | 54 hr |
| May 7, 10:36 AM CDT | River Flood Warning | LZK | 62 hr |
| May 7, 10:37 AM CDT | River Flood Warning | LZK | 34 hr |
| May 8, 4:21 PM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| May 8, 5:09 PM CDT | Flash Flood Warning | LZK | 3 hr |
| May 8, 11:50 PM CDT | River Flood Warning | LZK | 25 hr |
| May 18, 12:48 PM CDT | Tornado Watch | SPC | 7 hr |
| May 18, 3:30 PM CDT | Severe Thunderstorm Warning | LZK | 60 min |
| May 18, 3:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 18, 4:05 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| May 18, 4:21 PM CDT | Severe Thunderstorm Warning | LZK | 54 min |
| May 18, 11:55 PM CDT | Severe Thunderstorm Warning | LZK | 50 min |
| May 19, 12:45 AM CDT | Special Weather Statement | LZK | 45 min |
| May 20, 4:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| May 20, 5:14 PM CDT | Tornado Watch | SPC | 8 hr |
| May 21, 9:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| May 29, 12:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 29, 6:22 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 3, 12:20 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 3:14 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 19, 3:58 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 21, 3:56 AM CDT | Heat Advisory | LZK | 15 hr |
| Jun 22, 3:38 AM CDT | Heat Advisory | LZK | 15 hr |
| Jun 23, 2:05 AM CDT | Flash Flood Watch | LZK | 25 hr |
| Jun 23, 12:27 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 23, 1:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 23, 3:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 23, 4:16 PM CDT | Special Weather Statement | LZK | 44 min |
| Jun 23, 5:02 PM CDT | Special Weather Statement | LZK | 43 min |
| Jun 23, 9:01 PM CDT | Special Weather Statement | LZK | 59 min |
| Jul 6, 1:24 PM CDT | Heat Advisory | LZK | 5 hr |
| Jul 6, 2:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 2:50 PM CDT | Heat Advisory | LZK | 29 hr |
| Jul 9, 2:05 PM CDT | Heat Advisory | LZK | 30 hr |
| Jul 10, 4:40 PM CDT | Severe Thunderstorm Warning | LZK | 50 min |
| Jul 10, 5:23 PM CDT | Severe Thunderstorm Warning | LZK | 38 min |
| Jul 10, 5:41 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Jul 10, 6:05 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Jul 12, 2:47 PM CDT | Flash Flood Watch | LZK | 4 days |
| Jul 15, 8:52 AM CDT | River Flood Warning | LZK | 49 hr |
| Jul 16, 1:51 AM CDT | Flash Flood Warning | LZK | 12 hr |
| Jul 16, 4:09 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Jul 16, 6:58 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Jul 16, 7:48 AM CDT | Flash Flood Warning | LZK | 7 hr |
| Jul 16, 8:06 AM CDT | River Flood Warning | LZK | 3 days |
| Jul 16, 9:54 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Jul 16, 12:41 PM CDT | Flash Flood Warning | LZK | 64 min |
| Jul 16, 2:59 PM CDT | Heat Advisory | LZK | 29 hr |
| Aug 3, 1:31 AM CDT | Flash Flood Warning | LZK | 3 hr |
| Aug 6, 3:02 PM CDT | Heat Advisory | LZK | 29 hr |
| Aug 7, 2:51 PM CDT | Heat Advisory | LZK | 29 hr |
| Aug 10, 3:56 AM CDT | Heat Advisory | LZK | 40 hr |
| Aug 10, 3:38 PM CDT | Excessive Heat Watch | LZK | 12 hr |
| Aug 11, 3:41 AM CDT | Excessive Heat Warning | LZK | 40 hr |
| Aug 12, 3:46 AM CDT | Excessive Heat Warning | LZK | 40 hr |
| Aug 13, 5:36 PM CDT | Special Weather Statement | LZK | 39 min |
| Aug 19, 3:52 AM CDT | Heat Advisory | LZK | 17 hr |
| Aug 19, 3:52 AM CDT | Heat Advisory | LZK | 40 hr |
| Aug 20, 4:02 AM CDT | Heat Advisory | LZK | 39 hr |
| Aug 20, 10:42 AM CDT | Excessive Heat Warning | LZK | 10 hr |
| Oct 4, 8:09 AM CDT | Special Weather Statement | LZK | 51 min |
| Oct 4, 9:28 AM CDT | Special Weather Statement | LZK | 47 min |
| Oct 4, 1:10 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Oct 4, 3:02 PM CDT | Flash Flood Warning | LZK | 118 min |
| Oct 6, 8:19 PM CDT | Special Weather Statement | LZK | 56 min |
| Oct 20, 11:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Oct 20, 11:48 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 21, 12:12 AM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| Oct 21, 12:46 AM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| Oct 21, 1:30 AM CDT | Severe Thunderstorm Warning | LZK | 30 min |
| Oct 21, 2:41 AM CDT | Severe Thunderstorm Warning | LZK | 49 min |
| Oct 21, 3:08 AM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| Oct 26, 10:08 PM CDT | Dense Fog Advisory | LZK | 13 hr |
| Oct 30, 11:16 AM CDT | Special Weather Statement | LZK | 29 min |
| Oct 30, 3:24 PM CDT | Freeze Watch | LZK | 13 hr |
| Oct 31, 4:15 AM CDT | Freeze Warning | LZK | 29 hr |
| Nov 11, 9:25 AM CST | Wind Advisory | LZK | 18 hr |
| Nov 26, 3:04 PM CST | Mesoscale Discussion | SPC | 116 min |
| Nov 30, 9:46 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Nov 30, 10:29 AM CST | Special Weather Statement | LZK | 46 min |
| Dec 7, 9:17 PM CST | Dense Fog Advisory | LZK | 13 hr |
| Dec 14, 3:33 AM CST | Dense Fog Advisory | LZK | 6 hr |
| Dec 16, 10:02 AM CST | Mesoscale Discussion | SPC | 118 min |
| Dec 28, 12:52 AM CST | Dense Fog Advisory | LZK | 9 hr |
| Dec 28, 8:44 PM CST | Special Weather Statement | LZK | 46 min |
| Dec 28, 9:45 PM CST | Special Weather Statement | LZK | 45 min |
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 | 15 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 21 |
| Flooding | |
| Flash Flood Warning | 16 |
| River Flood Warning | 13 |
| Flash Flood Watch | 7 |
| Flood Watch | 1 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 12 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 2 |
| Wind and dust | |
| Wind Advisory | 5 |
| 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 archive20182020
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.