Alert archive / Texas / La Salle County
Weather alerts in La Salle County, Texas, 2018
95 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 95
- Warnings
- 25
- Watches
- 11
- Advisories
- 27
- Busiest month
- September20 alerts
- Busiest day
- March 28, 20185 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, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 5 | 3 | 40% | 4 | 50% | 11 min |
| Flash flood warnings | 3 | 0 | 100% | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Corpus Christi, TX: tornado warnings | 10 | 3 | 70% | 13 | 100% | 3 min |
| NWS Corpus Christi, TX: severe thunderstorm warnings | 29 | 13 | 55% | 24 | 88% | 23 min |
| NWS Corpus Christi, TX: flash flood warnings | 50 | 23 | 54% | 48 | 83% | 80 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 1, 3:42 AM CST | Freeze Warning | CRP | 8 hr |
| Jan 1, 3:42 AM CST | Freeze Warning | CRP | 31 hr |
| Jan 1, 4:47 AM CST | Winter Weather Advisory | CRP | 13 hr |
| Jan 2, 5:23 AM CST | Freeze Warning | CRP | 29 hr |
| Jan 3, 3:43 AM CST | Freeze Warning | CRP | 30 hr |
| Jan 10, 1:35 AM CST | Dense Fog Advisory | CRP | 8 hr |
| Jan 11, 3:53 AM CST | Red Flag Warning | CRP | 16 hr |
| Jan 11, 4:17 AM CST | Wind Advisory | CRP | 23 hr |
| Jan 15, 4:48 AM CST | Winter Weather Advisory | CRP | 40 hr |
| Jan 15, 2:59 PM CST | Freeze Warning | CRP | 46 hr |
| Jan 15, 3:38 PM CST | Wind Chill Advisory | CRP | 44 hr |
| Jan 17, 3:35 PM CST | Freeze Warning | CRP | 14 hr |
| Jan 20, 5:30 AM CST | Dense Fog Advisory | CRP | 6 hr |
| Mar 18, 3:50 AM CDT | Fire Weather Watch | CRP | 12 hr |
| Mar 18, 3:21 PM CDT | Red Flag Warning | CRP | 28 hr |
| Mar 27, 9:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 27, 9:51 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 27, 10:43 PM CDT | Special Weather Statement | CRP | 32 min |
| Mar 27, 11:15 PM CDT | Special Weather Statement | CRP | 30 min |
| Mar 27, 11:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 28, 7:36 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 28, 9:14 PM CDT | Special Weather Statement | CRP | 61 min |
| Mar 28, 10:01 PM CDT | Special Weather Statement | CRP | 29 min |
| Mar 28, 10:11 PM CDT | Severe Thunderstorm Warning | CRP | 34 min |
| Mar 28, 10:42 PM CDT | Severe Thunderstorm Warning | CRP | 48 min |
| Apr 13, 4:08 AM CDT | Fire Weather Watch | CRP | 24 hr |
| Apr 13, 11:46 PM CDT | Special Weather Statement | CRP | 59 min |
| Apr 14, 12:25 AM CDT | Severe Thunderstorm Warning | CRP | 50 min |
| Apr 14, 4:09 AM CDT | Red Flag Warning | CRP | 15 hr |
| Apr 15, 4:15 AM CDT | Fire Weather Watch | CRP | 24 hr |
| Apr 16, 4:05 AM CDT | Red Flag Warning | CRP | 16 hr |
| Apr 25, 3:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 5:29 PM CDT | Special Weather Statement | CRP | 61 min |
| Apr 25, 5:39 PM CDT | Severe Thunderstorm Warning | CRP | 51 min |
| Apr 25, 6:17 PM CDT | Severe Thunderstorm Warning | CRP | 43 min |
| May 3, 9:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 4, 7:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| May 20, 1:23 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 4:47 PM CDT | Special Weather Statement | CRP | 43 min |
| May 20, 5:38 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Jul 6, 6:15 PM CDT | Special Weather Statement | CRP | 45 min |
| Jul 23, 3:15 AM CDT | Heat Advisory | CRP | 17 hr |
| Jul 24, 3:13 PM CDT | Special Weather Statement | CRP | 47 min |
| Jul 24, 3:20 PM CDT | Special Weather Statement | CRP | 40 min |
| Jul 24, 4:08 PM CDT | Special Weather Statement | CRP | 52 min |
| Jul 24, 6:41 PM CDT | Special Weather Statement | CRP | 34 min |
| Jul 24, 7:18 PM CDT | Special Weather Statement | CRP | 27 min |
| Jul 24, 7:44 PM CDT | Special Weather Statement | CRP | 31 min |
| Aug 10, 8:34 PM CDT | Special Weather Statement | CRP | 11 min |
| Aug 11, 6:13 PM CDT | Special Weather Statement | CRP | 32 min |
| Aug 11, 7:35 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Aug 11, 7:38 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Aug 11, 8:17 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Aug 11, 8:57 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Aug 12, 8:11 PM CDT | Areal Flood Advisory | CRP | 64 min |
| Sep 3, 6:21 PM CDT | Special Weather Statement | CRP | 24 min |
| Sep 3, 6:58 PM CDT | Special Weather Statement | CRP | 32 min |
| Sep 3, 7:02 PM CDT | Special Weather Statement | CRP | 28 min |
| Sep 3, 8:15 PM CDT | Special Weather Statement | CRP | 30 min |
| Sep 5, 5:50 PM CDT | Special Weather Statement | CRP | 25 min |
| Sep 7, 9:09 PM CDT | Special Weather Statement | CRP | 36 min |
| Sep 7, 9:50 PM CDT | Special Weather Statement | CRP | 25 min |
| Sep 8, 4:41 AM CDT | Flash Flood Watch | CRP | 3 days |
| Sep 9, 3:35 AM CDT | Areal Flood Advisory | CRP | 115 min |
| Sep 9, 4:15 AM CDT | Flash Flood Warning | CRP | 2 hr |
| Sep 9, 4:30 AM CDT | Flash Flood Warning | CRP | 3 hr |
| Sep 9, 7:58 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Sep 10, 2:54 AM CDT | Areal Flood Advisory | CRP | 2 hr |
| Sep 10, 4:09 AM CDT | Flash Flood Warning | CRP | 2 hr |
| Sep 10, 6:18 AM CDT | Areal Flood Advisory | CRP | 3 hr |
| Sep 12, 3:26 PM CDT | Flash Flood Watch | CRP | 4 days |
| Sep 14, 10:10 AM CDT | River Flood Warning | CRP | 4 days |
| Sep 15, 7:39 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Sep 16, 3:14 PM CDT | Areal Flood Advisory | CRP | 3 hr |
| Sep 18, 8:08 PM CDT | River Flood Warning | CRP | 4 days |
| Oct 8, 8:44 PM CDT | Areal Flood Advisory | CRP | 2 hr |
| Oct 9, 8:26 AM CDT | River Flood Warning | CRP | 19 days |
| Oct 9, 10:19 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Oct 31, 5:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 6, 1:30 AM CST | Dense Fog Advisory | CRP | 8 hr |
| Nov 12, 4:43 AM CST | Freeze Watch | CRP | 24 hr |
| Nov 13, 4:35 AM CST | Freeze Warning | CRP | 28 hr |
| Nov 30, 3:06 AM CST | Dense Fog Advisory | CRP | 6 hr |
| Dec 6, 3:38 AM CST | Flash Flood Watch | CRP | 47 hr |
| Dec 11, 2:19 PM CST | Fire Weather Watch | CRP | 26 hr |
| Dec 12, 4:03 PM CST | Wind Advisory | CRP | 36 hr |
| Dec 12, 4:11 PM CST | Fire Weather Watch | CRP | 36 hr |
| Dec 12, 4:11 PM CST | Red Flag Warning | CRP | 27 hr |
| Dec 14, 3:41 AM CST | Wind Advisory | CRP | 13 hr |
| Dec 14, 3:52 AM CST | Red Flag Warning | CRP | 14 hr |
| Dec 18, 12:47 AM CST | Dense Fog Advisory | CRP | 8 hr |
| Dec 18, 9:08 AM CST | Dense Fog Advisory | CRP | 52 min |
| Dec 18, 11:46 PM CST | Dense Fog Advisory | CRP | 10 hr |
| Dec 19, 4:19 PM CST | Red Flag Warning | CRP | 26 hr |
| Dec 27, 1:54 AM CST | Special Weather Statement | CRP | 36 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 | 5 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 24 |
| Flooding | |
| Flash Flood Warning | 3 |
| River Flood Warning | 3 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 13 |
| Winter | |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 7 |
| Freeze Watch | 1 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 7 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.