Alert archive / Arkansas / Union County
Weather alerts in Union County, Arkansas, 2026
110 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Union County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 110
- Warnings
- 29
- Watches
- 14
- Advisories
- 19
- Busiest month
- April22 alerts
- Busiest day
- March 15, 20267 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Union County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 17 | 13 | 24% | 15 | 80% | 23 min |
| Flash flood warnings | 4 | 2 | 50% | 2 | 100% | 37 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Shreveport, LA: tornado warnings | 49 | 6 | 88% | 16 | 50% | 17 min |
| NWS Shreveport, LA: severe thunderstorm warnings | 299 | 193 | 35% | 427 | 87% | 25 min |
| NWS Shreveport, LA: flash flood warnings | 74 | 42 | 43% | 114 | 96% | 86 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
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 6, 11:15 PM CST | Dense Fog Advisory | SHV | 11 hr |
| Jan 9, 8:33 AM CST | Dense Fog Advisory | SHV | 2 hr |
| Jan 20, 1:24 PM CST | Winter Storm Watch | SHV | 70 hr |
| Jan 22, 11:18 AM CST | Extreme Cold Watch | SHV | 25 hr |
| Jan 22, 12:00 PM CST | Winter Storm Warning | SHV | 3 days |
| Jan 23, 11:49 AM CST | Ice Storm Warning | SHV | 48 hr |
| Jan 23, 12:23 PM CST | Extreme Cold Warning | SHV | 4 days |
| Jan 23, 5:50 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 23, 11:26 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 8:53 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 7:46 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 28, 3:42 AM CST | Freezing Fog Advisory | SHV | 8 hr |
| Jan 29, 9:05 AM CST | Cold Weather Advisory | SHV | 51 hr |
| Feb 15, 11:39 PM CST | Dense Fog Advisory | SHV | 11 hr |
| Feb 16, 9:26 AM CST | River Flood Warning | LZK | 46 hr |
| Mar 7, 6:24 AM CST | Mesoscale Discussion | SPC | 96 min |
| Mar 9, 8:46 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 11, 7:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 14, 11:31 AM CDT | Wind Advisory | SHV | 55 hr |
| Mar 14, 11:34 PM CDT | Freeze Warning | SHV | 33 hr |
| Mar 15, 12:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Mar 15, 1:53 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 15, 3:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Mar 15, 5:37 PM CDT | Severe Thunderstorm Warning | SHV | 53 min |
| Mar 15, 6:17 PM CDT | Severe Thunderstorm Warning | SHV | 58 min |
| Mar 15, 6:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 15, 7:07 PM CDT | Severe Thunderstorm Warning | SHV | 53 min |
| Mar 15, 11:37 PM CDT | Freeze Warning | SHV | 33 hr |
| Apr 3, 4:33 PM CDT | Special Weather Statement | SHV | 42 min |
| Apr 4, 12:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 2:36 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 24, 5:58 PM CDT | Severe Thunderstorm Warning | SHV | 28 min |
| Apr 24, 7:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 25, 9:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 25, 10:12 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 25, 11:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 12:40 AM CDT | Severe Thunderstorm Warning | SHV | 65 min |
| Apr 26, 1:23 AM CDT | Severe Thunderstorm Warning | SHV | 67 min |
| Apr 26, 1:31 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 26, 2:13 AM CDT | Severe Thunderstorm Warning | SHV | 62 min |
| Apr 27, 3:24 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 28, 9:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 28, 10:45 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 28, 12:44 PM CDT | Special Weather Statement | SHV | 46 min |
| Apr 28, 3:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 28, 5:45 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 29, 11:16 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Apr 29, 12:53 PM CDT | Severe Thunderstorm Warning | SHV | 67 min |
| Apr 29, 1:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 29, 11:27 PM CDT | Special Weather Statement | SHV | 63 min |
| May 8, 9:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| May 19, 2:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 5:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 10:15 PM CDT | Special Weather Statement | SHV | 30 min |
| Jun 1, 10:44 PM CDT | Special Weather Statement | SHV | 31 min |
| Jun 1, 11:30 PM CDT | Special Weather Statement | SHV | 30 min |
| Jun 1, 11:35 PM CDT | Special Weather Statement | SHV | 40 min |
| Jun 2, 12:00 AM CDT | Special Weather Statement | SHV | 30 min |
| Jun 2, 12:15 AM CDT | Special Weather Statement | SHV | 30 min |
| Jun 2, 1:05 PM CDT | Severe Thunderstorm Warning | SHV | 40 min |
| Jun 19, 9:10 AM CDT | Flood Watch | SHV | 10 hr |
| Jun 20, 3:11 AM CDT | Flood Watch | SHV | 12 hr |
| Jun 20, 3:50 AM CDT | Flash Flood Warning | SHV | 5 hr |
| Jun 20, 12:03 PM CDT | Flash Flood Warning | SHV | 3 hr |
| Jun 21, 1:04 PM CDT | Special Weather Statement | SHV | 56 min |
| Jun 22, 3:50 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 22, 8:31 AM CDT | Special Weather Statement | SHV | 44 min |
| Jun 22, 9:06 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Jun 22, 11:33 AM CDT | Flood Watch | SHV | 3 days |
| Jun 22, 11:43 PM CDT | Special Weather Statement | SHV | 32 min |
| Jun 23, 9:39 PM CDT | Severe Thunderstorm Warning | SHV | 51 min |
| Jun 23, 10:25 PM CDT | Severe Thunderstorm Warning | SHV | 50 min |
| Jun 24, 5:10 AM CDT | Flash Flood Warning | SHV | 6 hr |
| Jul 1, 6:05 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 4, 4:21 PM CDT | Severe Thunderstorm Warning | SHV | 39 min |
| Jul 4, 4:55 PM CDT | Severe Thunderstorm Warning | SHV | 50 min |
| Jul 4, 5:06 PM CDT | Flash Flood Warning | SHV | 3 hr |
| Jul 4, 5:45 PM CDT | Severe Thunderstorm Warning | SHV | 60 min |
| Jul 6, 3:17 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 4:26 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 12, 6:23 PM CDT | Areal Flood Advisory | SHV | 67 min |
| Jul 13, 5:35 PM CDT | Areal Flood Advisory | SHV | 55 min |
| Jul 13, 6:46 PM CDT | Areal Flood Advisory | SHV | 59 min |
| Jul 19, 1:31 PM CDT | Heat Advisory | SHV | 58 hr |
| Jul 20, 10:20 PM CDT | Extreme Heat Warning | SHV | 26 hr |
| Jul 22, 12:09 AM CDT | Heat Advisory | SHV | 20 hr |
| Jul 25, 12:01 PM CDT | Heat Advisory | SHV | 6 days |
| Aug 7, 6:54 PM CDT | Severe Thunderstorm Warning | SHV | 36 min |
| Aug 8, 4:15 PM CDT | Special Weather Statement | SHV | 45 min |
| Aug 11, 12:33 PM CDT | Heat Advisory | SHV | 13 days |
| Aug 20, 6:27 PM CDT | Severe Thunderstorm Warning | SHV | 63 min |
| Aug 21, 12:29 AM CDT | Extreme Heat Warning | SHV | 20 hr |
| Aug 26, 3:09 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 26, 9:03 PM CDT | Special Weather Statement | SHV | 57 min |
| Sep 5, 12:33 AM CDT | Heat Advisory | SHV | 18 hr |
| Sep 5, 11:54 AM CDT | Heat Advisory | SHV | 31 hr |
| Sep 6, 11:48 AM CDT | Heat Advisory | SHV | 31 hr |
| Sep 6, 4:37 PM CDT | Special Weather Statement | SHV | 38 min |
| Sep 7, 11:52 AM CDT | Heat Advisory | SHV | 31 hr |
| Sep 8, 12:47 PM CDT | Heat Advisory | SHV | 30 hr |
| Sep 11, 11:15 PM CDT | Heat Advisory | SHV | 5 days |
| Sep 12, 4:55 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Sep 12, 6:21 PM CDT | Special Weather Statement | SHV | 54 min |
| Sep 12, 6:49 PM CDT | Special Weather Statement | SHV | 26 min |
| Sep 12, 7:17 PM CDT | Special Weather Statement | SHV | 43 min |
| Sep 12, 7:28 PM CDT | Severe Thunderstorm Warning | SHV | 37 min |
| Sep 12, 7:56 PM CDT | Special Weather Statement | SHV | 49 min |
| Sep 14, 6:38 PM CDT | Special Weather Statement | SHV | 52 min |
| Sep 21, 4:24 PM CDT | Special Weather Statement | SHV | 36 min |
| Sep 21, 5:40 PM CDT | Special Weather Statement | SHV | 35 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 | 17 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 22 |
| Flooding | |
| Flash Flood Warning | 4 |
| River Flood Warning | 1 |
| Flood Watch | 3 |
| Areal Flood Advisory | 3 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Heat | |
| Extreme Heat Warning | 2 |
| Heat Advisory | 10 |
| Cold | |
| Extreme Cold Warning | 1 |
| Freeze Warning | 2 |
| Extreme Cold Watch | 1 |
| Cold Weather Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.