Alert archive / Texas / Shelby County
Weather alerts in Shelby County, Texas, 2026
117 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Shelby County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 117
- Warnings
- 34
- Watches
- 14
- Advisories
- 19
- Busiest month
- March22 alerts
- Busiest day
- March 11, 20268 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 3 tornado warnings covering Shelby County in 2026 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Shelby County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 22 | 14 | 36% | 3 | 100% | 8 min |
| Flash flood warnings | 3 | 3 | 0% | 0 |
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 9, 2:13 PM CST | Special Weather Statement | SHV | 32 min |
| Jan 9, 2:40 PM CST | Special Weather Statement | SHV | 50 min |
| 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 23, 11:49 AM CST | Ice Storm Warning | SHV | 48 hr |
| Jan 23, 12:23 PM CST | Extreme Cold Warning | SHV | 4 days |
| Jan 24, 8:53 AM CST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 10:52 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 29, 9:05 AM CST | Cold Weather Advisory | SHV | 51 hr |
| Feb 14, 2:05 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 14, 3:49 PM CST | Tornado Watch | SPC | 5 hr |
| Feb 14, 4:43 PM CST | Severe Thunderstorm Warning | SHV | 47 min |
| Feb 14, 5:29 PM CST | Severe Thunderstorm Warning | SHV | 46 min |
| Mar 7, 2:28 PM CST | Special Weather Statement | SHV | 32 min |
| Mar 7, 3:31 PM CST | Special Weather Statement | SHV | 44 min |
| Mar 11, 7:13 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 11, 7:49 AM CDT | Severe Thunderstorm Warning | SHV | 30 min |
| Mar 11, 8:10 AM CDT | Severe Thunderstorm Warning | SHV | 34 min |
| Mar 11, 8:16 AM CDT | Tornado Warning | SHV | 33 min |
| Mar 11, 10:37 AM CDT | Special Weather Statement | SHV | 23 min |
| Mar 11, 11:25 AM CDT | Tornado Watch | SPC | 9 hr |
| Mar 11, 12:44 PM CDT | Severe Thunderstorm Warning | SHV | 46 min |
| Mar 11, 3:19 PM CDT | Severe Thunderstorm Warning | SHV | 41 min |
| Mar 11, 8:07 PM CDT | River Flood Warning | SHV | 24 hr |
| Mar 14, 11:31 AM CDT | Wind Advisory | SHV | 55 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, 5:53 PM CDT | Severe Thunderstorm Warning | SHV | 56 min |
| Mar 15, 6:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 15, 6:23 PM CDT | Severe Thunderstorm Warning | SHV | 60 min |
| Mar 15, 6:37 PM CDT | Severe Thunderstorm Warning | SHV | 53 min |
| Mar 15, 7:15 PM CDT | Severe Thunderstorm Warning | SHV | 60 min |
| Mar 15, 11:37 PM CDT | Freeze Warning | SHV | 33 hr |
| Apr 4, 12:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 1:51 PM CDT | Tornado Warning | SHV | 39 min |
| Apr 4, 2:25 PM CDT | Tornado Warning | SHV | 50 min |
| Apr 22, 5:34 PM CDT | Special Weather Statement | SHV | 41 min |
| Apr 24, 8:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 8:47 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 24, 11:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 12:41 AM CDT | Special Weather Statement | SHV | 64 min |
| Apr 25, 1:36 AM CDT | Special Weather Statement | SHV | 54 min |
| Apr 25, 2:23 AM CDT | Special Weather Statement | SHV | 67 min |
| Apr 28, 5:45 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 29, 10:21 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 29, 11:16 AM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Apr 29, 1:37 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 29, 5:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 29, 7:40 PM CDT | Severe Thunderstorm Warning | SHV | 20 min |
| Apr 29, 9:32 PM CDT | Special Weather Statement | SHV | 28 min |
| Apr 29, 9:45 PM CDT | Severe Thunderstorm Warning | SHV | 45 min |
| Apr 29, 10:23 PM CDT | Severe Thunderstorm Warning | SHV | 53 min |
| May 9, 1:21 AM CDT | Mesoscale Discussion | SPC | 114 min |
| May 10, 1:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 10, 4:24 PM CDT | Special Weather Statement | SHV | 51 min |
| May 19, 4:57 PM CDT | Special Weather Statement | SHV | 48 min |
| May 19, 5:50 PM CDT | Special Weather Statement | SHV | 55 min |
| May 22, 1:02 PM CDT | Flood Watch | SHV | 36 hr |
| May 23, 6:36 AM CDT | Severe Thunderstorm Warning | SHV | 54 min |
| May 23, 10:13 AM CDT | Flash Flood Warning | SHV | 3 hr |
| May 27, 5:57 AM CDT | Special Weather Statement | SHV | 48 min |
| May 27, 6:43 AM CDT | Special Weather Statement | SHV | 47 min |
| Jun 2, 1:08 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 2, 3:24 PM CDT | Special Weather Statement | SHV | 36 min |
| Jun 2, 3:40 PM CDT | Severe Thunderstorm Warning | SHV | 65 min |
| Jun 2, 4:05 PM CDT | Special Weather Statement | SHV | 55 min |
| Jun 2, 4:13 PM CDT | Severe Thunderstorm Warning | SHV | 62 min |
| Jun 14, 1:31 PM CDT | Areal Flood Advisory | SHV | 3 hr |
| Jun 14, 9:21 PM CDT | Flood Watch | SHV | 4 days |
| Jun 15, 6:26 AM CDT | Areal Flood Advisory | SHV | 3 hr |
| Jun 15, 10:39 AM CDT | Flash Flood Warning | SHV | 3 hr |
| Jun 15, 11:19 AM CDT | Flash Flood Warning | SHV | 3 hr |
| Jun 17, 11:28 PM CDT | Heat Advisory | SHV | 20 hr |
| Jun 19, 12:13 AM CDT | Heat Advisory | SHV | 19 hr |
| Jun 19, 10:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 20, 3:11 AM CDT | Flood Watch | SHV | 12 hr |
| Jul 6, 4:26 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 6, 4:48 PM CDT | Severe Thunderstorm Warning | SHV | 57 min |
| Jul 6, 5:15 PM CDT | Severe Thunderstorm Warning | SHV | 60 min |
| Jul 6, 5:38 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 5:45 PM CDT | Special Weather Statement | SHV | 45 min |
| Jul 6, 6:08 PM CDT | Severe Thunderstorm Warning | SHV | 67 min |
| Jul 7, 12:19 PM CDT | Special Weather Statement | SHV | 41 min |
| Jul 7, 12:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 12, 12:12 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 12, 4:49 PM CDT | Special Weather Statement | SHV | 26 min |
| Jul 12, 5:17 PM CDT | Areal Flood Advisory | SHV | 58 min |
| Jul 19, 1:31 PM CDT | Heat Advisory | SHV | 58 hr |
| Jul 22, 12:09 AM CDT | Extreme Heat Warning | SHV | 20 hr |
| Jul 23, 12:07 AM CDT | Heat Advisory | SHV | 20 hr |
| Jul 25, 12:01 PM CDT | Heat Advisory | SHV | 6 days |
| Aug 6, 5:43 PM CDT | Special Weather Statement | SHV | 32 min |
| Aug 8, 5:59 PM CDT | Special Weather Statement | SHV | 31 min |
| Aug 11, 12:33 PM CDT | Heat Advisory | SHV | 13 days |
| Aug 21, 12:29 AM CDT | Extreme Heat Warning | SHV | 20 hr |
| Aug 21, 1:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 3:28 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 21, 6:00 PM CDT | Special Weather Statement | SHV | 45 min |
| Aug 21, 6:03 PM CDT | Severe Thunderstorm Warning | SHV | 42 min |
| Aug 21, 6:18 PM CDT | Severe Thunderstorm Warning | SHV | 42 min |
| Aug 21, 6:39 PM CDT | Special Weather Statement | SHV | 51 min |
| Aug 22, 2:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Aug 25, 12:19 AM CDT | Heat Advisory | SHV | 20 hr |
| Aug 26, 12:00 AM CDT | Heat Advisory | SHV | 19 hr |
| Aug 27, 12:33 AM CDT | Special Weather Statement | SHV | 57 min |
| Sep 1, 1:41 PM CDT | Flood Watch | SHV | 53 hr |
| Sep 2, 5:57 PM CDT | Special Weather Statement | SHV | 48 min |
| Sep 5, 3:09 PM CDT | Special Weather Statement | SHV | 36 min |
| Sep 6, 11:48 AM CDT | Heat Advisory | SHV | 31 hr |
| 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 21, 2:25 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 | 22 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 22 |
| Special Weather Statement | 28 |
| Flooding | |
| Flash Flood Warning | 3 |
| River Flood Warning | 1 |
| Flood Watch | 4 |
| Areal Flood Advisory | 3 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Heat | |
| Extreme Heat Warning | 2 |
| Heat Advisory | 12 |
| Cold | |
| Extreme Cold Warning | 1 |
| Freeze Warning | 1 |
| Extreme Cold Watch | 1 |
| Cold Weather Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.