Alert archive / Arkansas / Logan County
Weather alerts in Logan County, Arkansas, 2013
104 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Logan County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 104
- Warnings
- 39
- Watches
- 11
- Advisories
- 0
- Busiest month
- May23 alerts
- Busiest day
- May 21, 20138 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Logan County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 26 | 10 | 62% | 4 | 75% | 13 min |
| Flash flood warnings | 13 | 4 | 69% | 1 | 100% | 31 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Little Rock, AR: tornado warnings | 49 | 10 | 80% | 17 | 88% | 17 min |
| NWS Little Rock, AR: severe thunderstorm warnings | 442 | 136 | 69% | 222 | 83% | 18 min |
| NWS Little Rock, AR: flash flood warnings | 106 | 47 | 56% | 86 | 95% | 92 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 12, 4:01 PM CST | Flash Flood Warning | LZK | 3 hr |
| Jan 12, 6:49 PM CST | Flash Flood Warning | LZK | 5 hr |
| Jan 29, 9:46 AM CST | Mesoscale Discussion | SPC | 119 min |
| Jan 29, 10:59 AM CST | Tornado Watch | SPC | 8 hr |
| Jan 29, 2:15 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 29, 4:58 PM CST | Mesoscale Discussion | SPC | 92 min |
| Jan 29, 5:17 PM CST | Severe Thunderstorm Warning | LZK | 43 min |
| Jan 29, 5:37 PM CST | Tornado Watch | SPC | 8 hr |
| Jan 29, 5:57 PM CST | Severe Thunderstorm Warning | LZK | 48 min |
| Jan 29, 6:15 PM CST | Severe Thunderstorm Warning | LZK | 45 min |
| Jan 29, 6:22 PM CST | Severe Thunderstorm Warning | LZK | 23 min |
| Jan 29, 6:43 PM CST | Flash Flood Warning | LZK | 3 hr |
| Feb 18, 1:29 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 18, 2:19 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Feb 18, 3:27 PM CST | Special Weather Statement | LZK | 28 min |
| Feb 18, 3:34 PM CST | Severe Thunderstorm Warning | LZK | 26 min |
| Feb 18, 3:59 PM CST | Severe Thunderstorm Warning | LZK | 31 min |
| Feb 20, 11:30 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 21, 2:32 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 21, 8:05 AM CST | Special Weather Statement | LZK | 45 min |
| Feb 21, 8:54 AM CST | Severe Thunderstorm Warning | LZK | 51 min |
| Feb 25, 12:56 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Feb 25, 1:26 PM CST | Special Weather Statement | LZK | 44 min |
| Feb 25, 1:52 PM CST | Severe Thunderstorm Warning | LZK | 38 min |
| Mar 30, 10:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Mar 31, 12:43 AM CDT | Special Weather Statement | LZK | 47 min |
| Apr 18, 4:02 AM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 18, 6:54 AM CDT | Special Weather Statement | LZK | 61 min |
| Apr 18, 7:26 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 6:55 AM CDT | Special Weather Statement | LZK | 45 min |
| May 20, 6:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 20, 7:39 PM CDT | Tornado Watch | SPC | 6 hr |
| May 20, 9:38 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| May 20, 10:09 PM CDT | Severe Thunderstorm Warning | LZK | 51 min |
| May 21, 12:55 AM CDT | Special Weather Statement | LZK | 30 min |
| May 21, 3:12 AM CDT | Special Weather Statement | LZK | 28 min |
| May 21, 3:45 AM CDT | Special Weather Statement | LZK | 30 min |
| May 21, 4:06 AM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| May 21, 10:40 AM CDT | Flash Flood Warning | LZK | 110 min |
| May 30, 11:44 AM CDT | Mesoscale Discussion | SPC | 91 min |
| May 30, 12:15 PM CDT | Severe Thunderstorm Warning | LZK | 45 min |
| May 30, 12:59 PM CDT | Severe Thunderstorm Warning | LZK | 46 min |
| May 30, 1:21 PM CDT | Tornado Watch | SPC | 8 hr |
| May 30, 1:42 PM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| May 30, 1:46 PM CDT | Severe Thunderstorm Warning | LZK | 44 min |
| May 30, 2:35 PM CDT | Mesoscale Discussion | SPC | 55 min |
| May 30, 5:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 8:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| May 30, 8:46 PM CDT | Tornado Watch | SPC | 7 hr |
| May 30, 10:50 PM CDT | Severe Thunderstorm Warning | LZK | 40 min |
| May 30, 11:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 1:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| May 31, 2:30 AM CDT | Flash Flood Warning | LZK | 3 hr |
| May 31, 11:23 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 1, 2:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 1, 3:46 AM CDT | Mesoscale Discussion | SPC | 29 min |
| Jun 1, 4:58 AM CDT | Special Weather Statement | LZK | 32 min |
| Jun 1, 5:03 AM CDT | Severe Thunderstorm Warning | LZK | 42 min |
| Jun 1, 6:50 AM CDT | Special Weather Statement | LZK | 45 min |
| Jun 1, 7:12 AM CDT | Severe Thunderstorm Warning | LZK | 48 min |
| Jun 1, 7:29 AM CDT | Flash Flood Warning | LZK | 4 hr |
| Jun 16, 4:33 PM CDT | Flash Flood Warning | LZK | 3 hr |
| Jun 28, 1:31 AM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 10, 7:51 PM CDT | Special Weather Statement | LZK | 44 min |
| Jul 22, 12:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jul 22, 1:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 22, 2:36 PM CDT | Special Weather Statement | LZK | 44 min |
| Jul 22, 3:53 PM CDT | Severe Thunderstorm Warning | LZK | 52 min |
| Jul 22, 4:44 PM CDT | Flash Flood Warning | LZK | 106 min |
| Jul 22, 5:06 PM CDT | Severe Thunderstorm Warning | LZK | 39 min |
| Jul 22, 5:53 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Jul 22, 7:28 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jul 23, 12:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 23, 3:02 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 6:34 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Jul 23, 7:13 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 23, 7:29 PM CDT | Special Weather Statement | LZK | 46 min |
| Jul 23, 8:35 PM CDT | Special Weather Statement | LZK | 30 min |
| Jul 23, 9:46 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Aug 8, 5:24 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 8, 5:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 8, 7:19 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Aug 8, 7:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Aug 8, 10:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Aug 9, 4:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 5:51 PM CDT | Severe Thunderstorm Warning | LZK | 24 min |
| Sep 1, 4:13 PM CDT | Special Weather Statement | LZK | 32 min |
| Sep 1, 4:32 PM CDT | Severe Thunderstorm Warning | LZK | 28 min |
| Sep 1, 4:58 PM CDT | Special Weather Statement | LZK | 32 min |
| Sep 1, 5:49 PM CDT | Severe Thunderstorm Warning | LZK | 41 min |
| Sep 18, 4:11 PM CDT | Special Weather Statement | LZK | 29 min |
| Sep 19, 3:05 PM CDT | Severe Thunderstorm Warning | LZK | 25 min |
| Sep 19, 4:50 PM CDT | Special Weather Statement | LZK | 25 min |
| Nov 25, 6:10 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 5, 7:07 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 5, 12:00 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 5, 6:25 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 6, 2:06 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Dec 6, 6:46 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Dec 21, 2:58 AM CST | Flash Flood Warning | LZK | 3 hr |
| Dec 21, 5:18 AM CST | Flash Flood Warning | LZK | 3 hr |
| Dec 21, 5:59 AM CST | Flash Flood Warning | LZK | 3 hr |
| Dec 21, 8:22 AM CST | Flash Flood Warning | LZK | 3 hr |
| Dec 21, 11:55 AM CST | Flash Flood Warning | LZK | 3 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 | 26 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 19 |
| Flooding | |
| Flash Flood Warning | 13 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.