Alert archive / Texas / Liberty County
Weather alerts in Liberty County, Texas, 2008
147 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Liberty County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 147
- Warnings
- 49
- Watches
- 23
- Advisories
- 37
- Busiest month
- February27 alerts
- Busiest day
- September 13, 200811 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 2 tornado warnings covering Liberty County in 2008 had a tornado report inside them.
Liberty County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 20 | 6 | 70% | 2 | 100% | 26 min |
| Flash flood warnings | 6 | 2 | 67% | 1 | 0% |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Houston/Galveston, TX: tornado warnings | 18 | 1 | 94% | 3 | 33% | 4 min |
| NWS Houston/Galveston, TX: severe thunderstorm warnings | 159 | 41 | 74% | 85 | 68% | 20 min |
| NWS Houston/Galveston, TX: flash flood warnings | 17 | 5 | 71% | 10 | 70% | 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, 5:08 AM CST | Red Flag Warning | HGX | 13 hr |
| Jan 2, 12:21 PM CST | Red Flag Warning | HGX | 6 hr |
| Jan 6, 4:09 AM CST | Dense Fog Advisory | HGX | 4 hr |
| Jan 10, 1:35 AM CST | Dense Fog Advisory | HGX | 6 hr |
| Jan 21, 6:23 PM CST | Dense Fog Advisory | HGX | 14 hr |
| Jan 28, 3:22 PM CST | Red Flag Warning | HGX | 29 hr |
| Jan 30, 11:47 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 31, 3:43 AM CST | Wind Advisory | HGX | 16 hr |
| Jan 31, 5:23 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Jan 31, 5:51 AM CST | Tornado Watch | SPC | 7 hr |
| Jan 31, 8:32 AM CST | Severe Thunderstorm Warning | HGX | 28 min |
| Jan 31, 8:54 AM CST | Severe Thunderstorm Warning | HGX | 51 min |
| Jan 31, 9:48 AM CST | Severe Thunderstorm Warning | HGX | 27 min |
| Feb 5, 5:54 PM CST | Mesoscale Discussion | SPC | 96 min |
| Feb 5, 8:06 PM CST | Severe Thunderstorm Warning | HGX | 22 min |
| Feb 10, 1:20 AM CST | Dense Fog Advisory | HGX | 7 hr |
| Feb 11, 1:34 PM CST | Mesoscale Discussion | SPC | 116 min |
| Feb 12, 7:50 AM CST | Mesoscale Discussion | SPC | 55 min |
| Feb 12, 11:25 AM CST | Severe Thunderstorm Warning | HGX | 65 min |
| Feb 12, 12:27 PM CST | Severe Thunderstorm Warning | HGX | 48 min |
| Feb 15, 10:38 PM CST | Mesoscale Discussion | SPC | 97 min |
| Feb 15, 11:28 PM CST | Severe Thunderstorm Warning | HGX | 32 min |
| Feb 16, 1:09 AM CST | Mesoscale Discussion | SPC | 66 min |
| Feb 16, 2:00 PM CST | Mesoscale Discussion | SPC | 90 min |
| Feb 16, 2:26 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 16, 5:57 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 16, 7:18 PM CST | Mesoscale Discussion | SPC | 87 min |
| Feb 16, 8:25 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 16, 9:01 PM CST | Severe Thunderstorm Warning | HGX | 59 min |
| Feb 18, 11:04 AM CST | River Flood Warning | HGX | 53 hr |
| Feb 18, 11:19 AM CST | River Flood Warning | HGX | 22 hr |
| Feb 18, 11:19 AM CST | River Flood Warning | HGX | 33 hr |
| Feb 20, 10:24 AM CST | River Flood Warning | HGX | 4 days |
| Feb 21, 3:22 AM CST | Dense Fog Advisory | HGX | 4 hr |
| Feb 21, 12:56 PM CST | Mesoscale Discussion | SPC | 64 min |
| Feb 21, 1:41 PM CST | Tornado Watch | SPC | 7 hr |
| Feb 23, 9:27 PM CST | Dense Fog Advisory | HGX | 12 hr |
| Feb 24, 7:21 PM CST | Dense Fog Advisory | HGX | 15 hr |
| Feb 25, 10:47 AM CST | Dense Fog Advisory | HGX | 73 min |
| Feb 26, 4:05 AM CST | Wind Advisory | HGX | 16 hr |
| Mar 2, 10:36 AM CST | Wind Advisory | HGX | 10 hr |
| Mar 3, 6:47 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 3, 10:18 AM CST | Mesoscale Discussion | SPC | 87 min |
| Mar 6, 3:40 PM CST | Wind Advisory | HGX | 26 hr |
| Mar 10, 11:11 AM CDT | Tornado Warning | HGX | 19 min |
| Mar 16, 5:21 PM CDT | Wind Advisory | HGX | 38 hr |
| Mar 18, 7:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Mar 18, 9:32 AM CDT | Wind Advisory | HGX | 21 hr |
| Mar 18, 10:59 AM CDT | Tornado Watch | SPC | 8 hr |
| Mar 18, 1:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Mar 18, 3:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 18, 6:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Mar 18, 6:47 PM CDT | Tornado Watch | SPC | 9 hr |
| Mar 29, 3:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 31, 8:36 PM CDT | River Flood Warning | HGX | 14 days |
| Apr 2, 11:40 AM CDT | River Flood Warning | HGX | 21 hr |
| Apr 4, 5:34 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 4, 1:10 PM CDT | Severe Thunderstorm Warning | HGX | 50 min |
| Apr 4, 1:56 PM CDT | Severe Thunderstorm Warning | HGX | 34 min |
| Apr 4, 2:30 PM CDT | Severe Thunderstorm Warning | HGX | 31 min |
| Apr 7, 4:36 AM CDT | Dense Fog Advisory | HGX | 5 hr |
| Apr 22, 3:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 9:43 AM CDT | Areal Flood Advisory | HGX | 2 hr |
| May 5, 9:45 AM CDT | Flash Flood Watch | HGX | 6 hr |
| May 5, 12:55 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| May 11, 1:39 AM CDT | Mesoscale Discussion | SPC | 96 min |
| May 14, 7:31 AM CDT | Mesoscale Discussion | SPC | 119 min |
| May 14, 7:50 AM CDT | Tornado Watch | SPC | 7 hr |
| May 14, 10:23 AM CDT | Mesoscale Discussion | SPC | 97 min |
| May 14, 11:20 AM CDT | Severe Thunderstorm Warning | HGX | 40 min |
| May 15, 1:16 AM CDT | Tornado Watch | SPC | 6 hr |
| May 27, 5:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 5:19 PM CDT | Severe Thunderstorm Warning | HGX | 56 min |
| Jun 17, 5:32 PM CDT | Severe Thunderstorm Warning | HGX | 45 min |
| Jun 19, 9:32 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 19, 2:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 21, 3:18 PM CDT | Severe Thunderstorm Warning | HGX | 20 min |
| Jun 25, 4:19 PM CDT | Severe Thunderstorm Warning | HGX | 41 min |
| Jun 26, 1:37 PM CDT | Severe Thunderstorm Warning | HGX | 23 min |
| Jun 29, 5:13 PM CDT | Severe Thunderstorm Warning | HGX | 47 min |
| Jul 24, 10:38 AM CDT | Areal Flood Advisory | HGX | 112 min |
| Aug 3, 10:50 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Aug 3, 1:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 3, 4:00 PM CDT | Tropical Storm Watch | NHC | 5 hr |
| Aug 3, 4:00 PM CDT | Tropical Storm Warning | NHC | 47 hr |
| Aug 3, 4:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Aug 3, 5:49 PM CDT | Tropical Storm Watch | HGX | 5 hr |
| Aug 3, 10:00 PM CDT | Hurricane Watch | NHC | 36 hr |
| Aug 3, 10:49 PM CDT | Hurricane Watch | HGX | 37 hr |
| Aug 4, 5:22 AM CDT | Tropical Storm Warning | HGX | 35 hr |
| Aug 4, 5:31 AM CDT | Flash Flood Watch | HGX | 45 hr |
| Aug 5, 9:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 5, 10:49 AM CDT | Areal Flood Advisory | HGX | 116 min |
| Aug 13, 5:03 AM CDT | Areal Flood Advisory | HGX | 68 min |
| Aug 21, 3:03 PM CDT | Areal Flood Advisory | HGX | 117 min |
| Aug 29, 4:26 PM CDT | Severe Thunderstorm Warning | HGX | 49 min |
| Sep 1, 6:32 PM CDT | Wind Advisory | HGX | 10 hr |
| Sep 7, 10:00 AM CDT | Hurricane Watch | NHC | 4 days |
| Sep 8, 4:00 AM CDT | Tropical Storm Warning | NHC | 6 days |
| Sep 10, 12:38 PM CDT | Hurricane Local Statement | HGX | 5 hr |
| Sep 10, 5:28 PM CDT | Hurricane Watch | HGX | 18 hr |
| Sep 11, 10:00 AM CDT | Hurricane Warning | NHC | 48 hr |
| Sep 11, 11:34 AM CDT | Hurricane Warning | HGX | 48 hr |
| Sep 11, 9:19 PM CDT | Flood Watch | HGX | 70 hr |
| Sep 12, 11:48 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 12, 5:55 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 12, 7:54 PM CDT | Tornado Watch | SPC | 14 hr |
| Sep 13, 12:03 AM CDT | Mesoscale Discussion | SPC | 87 min |
| Sep 13, 7:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 13, 9:06 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Sep 13, 9:29 AM CDT | River Flood Warning | HGX | 6 days |
| Sep 13, 11:28 AM CDT | Tropical Storm Warning | HGX | 5 hr |
| Sep 13, 11:57 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Sep 13, 2:35 PM CDT | Flash Flood Warning | HGX | 115 min |
| Sep 13, 4:34 PM CDT | Coastal Flood Statement | HGX | 46 hr |
| Sep 13, 4:46 PM CDT | Tornado Warning | HGX | 59 min |
| Sep 13, 4:47 PM CDT | Flash Flood Warning | HGX | 112 min |
| Sep 14, 5:05 AM CDT | Areal Flood Advisory | HGX | 55 min |
| Sep 14, 5:30 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Sep 14, 8:36 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Oct 7, 7:47 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Oct 15, 9:34 PM CDT | Areal Flood Advisory | HGX | 116 min |
| Oct 15, 11:40 PM CDT | Areal Flood Advisory | HGX | 110 min |
| Oct 26, 8:52 PM CDT | Wind Advisory | HGX | 15 hr |
| Oct 27, 6:44 AM CDT | Red Flag Warning | HGX | 11 hr |
| Oct 28, 3:48 PM CDT | Freeze Warning | HGX | 17 hr |
| Nov 1, 4:26 AM CDT | Dense Fog Advisory | HGX | 5 hr |
| Nov 10, 10:33 PM CST | Mesoscale Discussion | SPC | 117 min |
| Nov 11, 1:23 AM CST | Mesoscale Discussion | SPC | 97 min |
| Nov 11, 1:06 PM CST | Mesoscale Discussion | SPC | 54 min |
| Nov 11, 2:52 PM CST | Areal Flood Advisory | HGX | 113 min |
| Nov 11, 5:21 PM CST | Flood Watch | HGX | 16 hr |
| Nov 11, 11:40 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Nov 12, 1:47 AM CST | Areal Flood Advisory | HGX | 118 min |
| Nov 13, 7:55 PM CST | River Flood Warning | HGX | 61 hr |
| Nov 14, 7:42 AM CST | Fire Weather Watch | HGX | 20 hr |
| Nov 15, 3:53 AM CST | Red Flag Warning | HGX | 12 hr |
| Nov 30, 10:13 PM CST | Red Flag Warning | HGX | 20 hr |
| Dec 9, 2:30 PM CST | Severe Thunderstorm Warning | HGX | 45 min |
| Dec 9, 3:23 PM CST | Wind Advisory | HGX | 19 hr |
| Dec 10, 5:21 PM CST | Winter Weather Advisory | HGX | 16 hr |
| Dec 16, 5:33 PM CST | Dense Fog Advisory | HGX | 12 hr |
| Dec 17, 6:19 AM CST | Dense Fog Advisory | HGX | 6 hr |
| Dec 17, 5:09 PM CST | Dense Fog Advisory | HGX | 19 hr |
| Dec 18, 10:03 AM CST | Dense Fog Advisory | HGX | 117 min |
| Dec 18, 4:00 PM CST | Dense Fog Advisory | HGX | 18 hr |
| Dec 21, 5:36 AM CST | Wind Advisory | HGX | 13 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 | 20 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 36 |
| Flooding | |
| Flash Flood Warning | 6 |
| River Flood Warning | 8 |
| Flash Flood Watch | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 11 |
| Winter | |
| Winter Weather Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| Wind Advisory | 10 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 15 |
| Tropical | |
| Hurricane Warning | 2 |
| Tropical Storm Warning | 4 |
| Hurricane Watch | 4 |
| Tropical Storm Watch | 2 |
| Hurricane Local Statement | 1 |
| Coast and beach | |
| Coastal Flood Statement | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.