Alert archive / Texas / La Salle County
Weather alerts in La Salle County, Texas, 2020
107 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
La Salle County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 107
- Warnings
- 36
- Watches
- 8
- Advisories
- 24
- Busiest month
- April29 alerts
- Busiest day
- April 3, 20209 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
La Salle County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 28 | 5 | 82% | 2 | 100% | 24 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Corpus Christi, TX: tornado warnings | 27 | 1 | 96% | 2 | 50% | 13 min |
| NWS Corpus Christi, TX: severe thunderstorm warnings | 99 | 26 | 74% | 54 | 72% | 21 min |
| NWS Corpus Christi, TX: flash flood warnings | 8 | 5 | 38% | 19 | 63% | 41 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 10, 2:36 AM CST | Wind Advisory | CRP | 16 hr |
| Jan 10, 3:30 PM CST | Severe Thunderstorm Watch | SPC | 68 days |
| Jan 13, 9:14 PM CST | Dense Fog Advisory | CRP | 13 hr |
| Jan 22, 9:30 PM CST | Dense Fog Advisory | CRP | 12 hr |
| Feb 16, 6:29 AM CST | Dense Fog Advisory | CRP | 4 hr |
| Feb 26, 2:07 PM CST | Freeze Warning | CRP | 18 hr |
| Mar 3, 3:20 AM CST | Fire Weather Watch | CRP | 11 hr |
| Mar 3, 2:32 PM CST | Red Flag Warning | CRP | 28 hr |
| Mar 19, 7:23 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 19, 8:41 PM CDT | Severe Thunderstorm Warning | CRP | 64 min |
| Mar 21, 10:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 3, 11:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 3, 2:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 3, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 3, 3:29 PM CDT | Special Weather Statement | CRP | 46 min |
| Apr 3, 3:52 PM CDT | Special Weather Statement | CRP | 38 min |
| Apr 3, 4:37 PM CDT | Areal Flood Advisory | CRP | 53 min |
| Apr 3, 4:51 PM CDT | Severe Thunderstorm Warning | CRP | 39 min |
| Apr 3, 5:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 3, 6:47 PM CDT | Special Weather Statement | CRP | 28 min |
| Apr 3, 7:21 PM CDT | Severe Thunderstorm Warning | CRP | 39 min |
| Apr 3, 7:55 PM CDT | Severe Thunderstorm Warning | CRP | 50 min |
| Apr 3, 8:48 PM CDT | Severe Thunderstorm Warning | CRP | 42 min |
| Apr 3, 8:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 3, 9:29 PM CDT | Severe Thunderstorm Warning | CRP | 61 min |
| Apr 9, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 4:14 PM CDT | Special Weather Statement | CRP | 31 min |
| Apr 9, 5:01 PM CDT | Special Weather Statement | CRP | 29 min |
| Apr 9, 6:33 PM CDT | Severe Thunderstorm Warning | CRP | 42 min |
| Apr 9, 7:16 PM CDT | Severe Thunderstorm Warning | CRP | 44 min |
| Apr 9, 7:50 PM CDT | Severe Thunderstorm Warning | CRP | 40 min |
| Apr 9, 7:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 8:00 PM CDT | Severe Thunderstorm Warning | CRP | 30 min |
| Apr 9, 8:26 PM CDT | Severe Thunderstorm Warning | CRP | 49 min |
| Apr 9, 8:57 PM CDT | Severe Thunderstorm Warning | CRP | 48 min |
| Apr 9, 9:06 PM CDT | Special Weather Statement | CRP | 24 min |
| Apr 10, 3:06 PM CDT | Fire Weather Watch | CRP | 24 hr |
| Apr 11, 3:25 PM CDT | Red Flag Warning | CRP | 28 hr |
| Apr 11, 3:27 PM CDT | Wind Advisory | CRP | 28 hr |
| Apr 27, 11:14 PM CDT | Special Weather Statement | CRP | 46 min |
| May 15, 8:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 9:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 15, 9:58 PM CDT | Severe Thunderstorm Warning | CRP | 47 min |
| May 15, 10:41 PM CDT | Severe Thunderstorm Warning | CRP | 49 min |
| May 15, 11:12 PM CDT | Severe Thunderstorm Warning | CRP | 48 min |
| May 15, 11:31 PM CDT | Severe Thunderstorm Warning | CRP | 44 min |
| May 15, 11:57 PM CDT | Severe Thunderstorm Warning | CRP | 48 min |
| May 16, 12:21 AM CDT | Severe Thunderstorm Warning | CRP | 39 min |
| May 24, 12:43 AM CDT | Special Weather Statement | CRP | 47 min |
| May 24, 5:28 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 24, 5:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 24, 7:26 PM CDT | Special Weather Statement | CRP | 49 min |
| May 24, 7:49 PM CDT | Severe Thunderstorm Warning | CRP | 41 min |
| May 24, 8:21 PM CDT | Severe Thunderstorm Warning | CRP | 39 min |
| May 24, 8:53 PM CDT | Severe Thunderstorm Warning | CRP | 67 min |
| May 24, 10:00 PM CDT | Severe Thunderstorm Warning | CRP | 45 min |
| May 25, 7:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 25, 7:49 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 25, 11:39 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 3:16 AM CDT | Special Weather Statement | CRP | 29 min |
| May 28, 6:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 2:34 PM CDT | Heat Advisory | CRP | 28 hr |
| Jun 9, 10:40 PM CDT | Special Weather Statement | CRP | 65 min |
| Jun 9, 10:57 PM CDT | Severe Thunderstorm Warning | CRP | 48 min |
| Jun 9, 11:25 PM CDT | Special Weather Statement | CRP | 50 min |
| Jun 9, 11:44 PM CDT | Special Weather Statement | CRP | 46 min |
| Jun 9, 11:47 PM CDT | Severe Thunderstorm Warning | CRP | 43 min |
| Jun 10, 12:28 AM CDT | Severe Thunderstorm Warning | CRP | 47 min |
| Jun 10, 12:57 AM CDT | Areal Flood Advisory | CRP | 3 hr |
| Jun 10, 1:06 AM CDT | Severe Thunderstorm Warning | CRP | 39 min |
| Jun 10, 1:12 AM CDT | Special Weather Statement | CRP | 33 min |
| Jun 23, 10:40 AM CDT | Special Weather Statement | CRP | 65 min |
| Jun 23, 11:10 AM CDT | Special Weather Statement | CRP | 65 min |
| Jun 30, 3:30 AM CDT | Heat Advisory | CRP | 15 hr |
| Jul 8, 2:29 AM CDT | Heat Advisory | CRP | 16 hr |
| Jul 9, 3:06 AM CDT | Heat Advisory | CRP | 16 hr |
| Jul 10, 2:24 AM CDT | Heat Advisory | CRP | 17 hr |
| Jul 11, 2:42 AM CDT | Heat Advisory | CRP | 17 hr |
| Jul 12, 2:14 AM CDT | Heat Advisory | CRP | 17 hr |
| Jul 31, 8:41 PM CDT | Special Weather Statement | CRP | 34 min |
| Jul 31, 9:12 PM CDT | Special Weather Statement | CRP | 48 min |
| Jul 31, 10:04 PM CDT | Special Weather Statement | CRP | 41 min |
| Jul 31, 10:43 PM CDT | Special Weather Statement | CRP | 47 min |
| Jul 31, 10:59 PM CDT | Areal Flood Advisory | CRP | 91 min |
| Aug 17, 7:53 PM CDT | Special Weather Statement | CRP | 52 min |
| Aug 17, 10:15 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Aug 18, 4:41 PM CDT | Severe Thunderstorm Warning | CRP | 49 min |
| Aug 28, 3:18 AM CDT | Heat Advisory | CRP | 15 hr |
| Aug 28, 3:36 PM CDT | Heat Advisory | CRP | 27 hr |
| Aug 30, 3:03 AM CDT | Heat Advisory | CRP | 16 hr |
| Aug 30, 3:27 PM CDT | Heat Advisory | CRP | 28 hr |
| Aug 31, 3:09 PM CDT | Heat Advisory | CRP | 29 hr |
| Sep 3, 10:07 AM CDT | Special Weather Statement | CRP | 38 min |
| Sep 3, 2:46 PM CDT | Special Weather Statement | CRP | 29 min |
| Sep 3, 9:08 PM CDT | Special Weather Statement | CRP | 52 min |
| Sep 3, 9:37 PM CDT | Areal Flood Advisory | CRP | 113 min |
| Sep 3, 9:42 PM CDT | Severe Thunderstorm Warning | CRP | 48 min |
| Sep 3, 10:24 PM CDT | Flash Flood Warning | CRP | 111 min |
| Sep 16, 6:03 PM CDT | Special Weather Statement | CRP | 42 min |
| Sep 16, 6:31 PM CDT | Areal Flood Advisory | CRP | 2 hr |
| Sep 16, 6:41 PM CDT | Special Weather Statement | CRP | 49 min |
| Sep 16, 8:42 PM CDT | Areal Flood Advisory | CRP | 2 hr |
| Sep 17, 2:59 PM CDT | Special Weather Statement | CRP | 46 min |
| Nov 30, 3:16 AM CST | Freeze Warning | CRP | 29 hr |
| Dec 13, 3:54 AM CST | Red Flag Warning | CRP | 14 hr |
| Dec 16, 2:00 PM CST | Freeze Warning | CRP | 18 hr |
| Dec 24, 3:06 PM CST | Freeze Warning | CRP | 17 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 | 28 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 27 |
| Flooding | |
| Flash Flood Warning | 1 |
| Areal Flood Advisory | 7 |
| Heat | |
| Heat Advisory | 12 |
| Cold | |
| Freeze Warning | 4 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.