Alert archive / Texas / La Salle County
Weather alerts in La Salle County, Texas, 2011
94 weather alerts in 2011, 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 2011. Tap one for its archive.
- Alerts
- 94
- Warnings
- 41
- Watches
- 22
- Advisories
- 17
- Busiest month
- February14 alerts
- Busiest day
- May 12, 20117 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, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 0 | 100% | 0 | ||
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Corpus Christi, TX: tornado warnings | 10 | 0 | 100% | 4 | 0% | |
| NWS Corpus Christi, TX: severe thunderstorm warnings | 52 | 11 | 79% | 47 | 70% | 40 min |
| NWS Corpus Christi, TX: flash flood warnings | 2 | 1 | 50% | 1 | 100% | 43 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 5, 1:33 AM CST | Dense Fog Advisory | CRP | 6 hr |
| Jan 11, 3:45 AM CST | Freeze Warning | CRP | 26 hr |
| Jan 17, 12:41 AM CST | Dense Fog Advisory | CRP | 9 hr |
| Jan 17, 10:03 AM CST | Dense Fog Advisory | CRP | 112 min |
| Jan 18, 12:39 AM CST | Dense Fog Advisory | CRP | 8 hr |
| Jan 20, 8:30 PM CST | Freeze Warning | CRP | 13 hr |
| Jan 21, 3:12 PM CST | Freeze Warning | CRP | 18 hr |
| Jan 25, 12:58 PM CST | Red Flag Warning | CRP | 4 hr |
| Jan 31, 7:08 AM CST | Fire Weather Watch | CRP | 8 hr |
| Jan 31, 3:22 PM CST | Red Flag Warning | CRP | 29 hr |
| Jan 31, 3:38 PM CST | Hard Freeze Watch | CRP | 13 hr |
| Feb 1, 4:53 AM CST | Hard Freeze Warning | CRP | 33 hr |
| Feb 1, 4:53 AM CST | Wind Advisory | CRP | 19 hr |
| Feb 2, 2:58 PM CST | Hard Freeze Warning | CRP | 47 hr |
| Feb 3, 1:17 PM CST | Winter Weather Advisory | CRP | 15 hr |
| Feb 4, 1:35 PM CST | Hard Freeze Warning | CRP | 20 hr |
| Feb 8, 4:01 PM CST | Hard Freeze Watch | CRP | 13 hr |
| Feb 8, 8:00 PM CST | Wind Advisory | CRP | 20 hr |
| Feb 9, 4:33 AM CST | Hard Freeze Warning | CRP | 30 hr |
| Feb 9, 9:19 AM CST | Freezing Rain Advisory | CRP | 5 hr |
| Feb 10, 3:06 PM CST | Hard Freeze Warning | CRP | 18 hr |
| Feb 11, 8:18 PM CST | Freeze Warning | CRP | 13 hr |
| Feb 26, 5:44 AM CST | Fire Weather Watch | CRP | 23 hr |
| Feb 27, 5:00 AM CST | Red Flag Warning | CRP | 37 hr |
| Feb 27, 9:19 PM CST | Wind Advisory | CRP | 9 hr |
| Mar 5, 5:41 AM CST | Red Flag Warning | CRP | 11 hr |
| Mar 5, 6:58 AM CST | Severe Thunderstorm Warning | CRP | 62 min |
| Mar 10, 3:42 AM CST | Fire Weather Watch | CRP | 24 hr |
| Mar 11, 4:10 AM CST | Red Flag Warning | CRP | 14 hr |
| Mar 29, 2:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Mar 29, 3:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 29, 5:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 29, 8:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Mar 29, 10:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Mar 29, 10:47 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 3, 4:28 AM CDT | Fire Weather Watch | CRP | 11 hr |
| Apr 3, 3:56 PM CDT | Red Flag Warning | CRP | 30 hr |
| Apr 4, 3:37 AM CDT | Wind Advisory | CRP | 15 hr |
| Apr 10, 5:09 AM CDT | Fire Weather Watch | CRP | 10 hr |
| Apr 10, 2:45 PM CDT | Red Flag Warning | CRP | 30 hr |
| Apr 14, 4:03 AM CDT | Fire Weather Watch | CRP | 11 hr |
| Apr 14, 2:58 PM CDT | Red Flag Warning | CRP | 28 hr |
| Apr 16, 11:44 AM CDT | Red Flag Warning | CRP | 4 hr |
| Apr 25, 4:49 AM CDT | Fire Weather Watch | CRP | 35 hr |
| Apr 26, 3:37 PM CDT | Red Flag Warning | CRP | 28 hr |
| Apr 28, 4:46 AM CDT | Fire Weather Watch | CRP | 10 hr |
| Apr 28, 2:59 PM CDT | Red Flag Warning | CRP | 30 hr |
| May 9, 5:11 AM CDT | Red Flag Warning | CRP | 16 hr |
| May 12, 2:57 AM CDT | Mesoscale Discussion | SPC | 33 min |
| May 12, 3:18 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 12, 7:27 AM CDT | Mesoscale Discussion | SPC | 33 min |
| May 12, 7:52 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 12, 9:27 AM CDT | Severe Thunderstorm Warning | CRP | 63 min |
| May 12, 10:29 AM CDT | Severe Thunderstorm Warning | CRP | 61 min |
| May 12, 11:30 AM CDT | Severe Thunderstorm Warning | CRP | 60 min |
| May 13, 4:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 28, 4:54 AM CDT | Red Flag Warning | CRP | 16 hr |
| May 28, 3:24 PM CDT | Red Flag Warning | CRP | 29 hr |
| May 29, 3:15 PM CDT | Red Flag Warning | CRP | 29 hr |
| Jun 16, 9:19 AM CDT | Red Flag Warning | CRP | 10 hr |
| Jun 17, 3:11 PM CDT | Fire Weather Watch | CRP | 14 hr |
| Jun 18, 2:38 PM CDT | Red Flag Warning | CRP | 30 hr |
| Jun 19, 3:38 PM CDT | Red Flag Warning | CRP | 28 hr |
| Jun 22, 12:47 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jun 22, 3:54 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Jul 19, 8:59 PM CDT | Areal Flood Advisory | CRP | 76 min |
| Aug 5, 4:14 AM CDT | Heat Advisory | CRP | 15 hr |
| Aug 11, 4:11 AM CDT | Heat Advisory | CRP | 15 hr |
| Aug 12, 4:00 AM CDT | Heat Advisory | CRP | 15 hr |
| Aug 25, 2:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Aug 25, 4:31 PM CDT | Severe Thunderstorm Warning | CRP | 59 min |
| Aug 28, 4:30 AM CDT | Heat Advisory | CRP | 16 hr |
| Sep 3, 1:44 PM CDT | Fire Weather Watch | CRP | 24 hr |
| Sep 3, 1:44 PM CDT | Red Flag Warning | CRP | 31 hr |
| Sep 4, 1:50 PM CDT | Red Flag Warning | CRP | 30 hr |
| Sep 29, 3:40 PM CDT | Severe Thunderstorm Warning | CRP | 16 min |
| Sep 29, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 1:48 AM CDT | Severe Thunderstorm Warning | CRP | 47 min |
| Oct 9, 2:40 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 16, 2:40 PM CDT | Fire Weather Watch | CRP | 24 hr |
| Oct 17, 2:32 PM CDT | Red Flag Warning | CRP | 30 hr |
| Oct 18, 4:04 AM CDT | Wind Advisory | CRP | 15 hr |
| Nov 15, 12:02 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 15, 2:14 AM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Nov 15, 5:35 AM CST | Mesoscale Discussion | SPC | 85 min |
| Nov 15, 10:35 AM CST | Mesoscale Discussion | SPC | 115 min |
| Nov 25, 3:16 PM CST | Fire Weather Watch | CRP | 23 hr |
| Nov 26, 4:24 AM CST | Freeze Watch | CRP | 35 hr |
| Nov 26, 2:30 PM CST | Red Flag Warning | CRP | 28 hr |
| Nov 27, 2:54 PM CST | Freeze Warning | CRP | 17 hr |
| Dec 5, 3:28 PM CST | Freeze Watch | CRP | 23 hr |
| Dec 6, 2:32 PM CST | Freeze Warning | CRP | 18 hr |
| Dec 7, 1:52 PM CST | Freeze Warning | CRP | 19 hr |
| Dec 13, 2:28 AM CST | Dense Fog Advisory | CRP | 8 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 | 7 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 14 |
| Flooding | |
| Areal Flood Advisory | 1 |
| Winter | |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 7 |
| Hard Freeze Warning | 5 |
| Freeze Watch | 2 |
| Hard Freeze Watch | 2 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 22 |
| Fire Weather Watch | 12 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.