Alert archive / Texas / Tom Green County
Weather alerts in Tom Green County, Texas, 2009
170 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Tom Green County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 170
- Warnings
- 53
- Watches
- 31
- Advisories
- 54
- Busiest month
- April56 alerts
- Busiest day
- April 27, 200918 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Tom Green County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 23 | 1 | 96% | 0 | ||
| Flash flood warnings | 5 | 1 | 80% | 1 | 100% | 167 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS San Angelo, TX: tornado warnings | 55 | 3 | 95% | 8 | 38% | 11 min |
| NWS San Angelo, TX: severe thunderstorm warnings | 259 | 61 | 76% | 123 | 72% | 24 min |
| NWS San Angelo, TX: flash flood warnings | 27 | 10 | 63% | 21 | 95% | 116 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 4, 3:51 PM CST | Winter Storm Watch | SJT | 5 hr |
| Jan 4, 3:51 PM CST | Freezing Rain Advisory | SJT | 24 hr |
| Jan 5, 5:02 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 6, 10:10 AM CST | Lake Wind Advisory | SJT | 8 hr |
| Jan 9, 8:55 PM CST | Lake Wind Advisory | SJT | 9 hr |
| Jan 19, 3:55 AM CST | Red Flag Warning | SJT | 14 hr |
| Jan 26, 1:52 PM CST | Freezing Rain Advisory | SJT | 21 hr |
| Jan 27, 11:17 AM CST | Ice Storm Warning | SJT | 16 hr |
| Feb 8, 1:15 PM CST | Lake Wind Advisory | SJT | 17 hr |
| Feb 8, 2:48 PM CST | Fire Weather Watch | SJT | 38 hr |
| Feb 10, 2:38 AM CST | Wind Advisory | SJT | 21 hr |
| Feb 10, 4:26 AM CST | Red Flag Warning | SJT | 17 hr |
| Feb 10, 12:17 PM CST | Mesoscale Discussion | SPC | 118 min |
| Feb 10, 3:45 PM CST | Mesoscale Discussion | SPC | 90 min |
| Feb 10, 4:15 PM CST | High Wind Warning | SJT | 5 hr |
| Feb 19, 1:54 PM CST | Fire Weather Watch | SJT | 14 hr |
| Feb 20, 3:48 AM CST | Lake Wind Advisory | SJT | 14 hr |
| Feb 20, 3:50 AM CST | Red Flag Warning | SJT | 14 hr |
| Feb 20, 6:04 PM CST | Fire Weather Watch | SJT | 9 hr |
| Feb 21, 4:20 AM CST | Wind Advisory | SJT | 8 hr |
| Feb 23, 10:48 AM CST | Red Flag Warning | SJT | 8 hr |
| Feb 27, 4:21 AM CST | Fire Weather Watch | SJT | 24 hr |
| Feb 27, 2:14 PM CST | Lake Wind Advisory | SJT | 28 hr |
| Mar 3, 4:54 AM CST | Red Flag Warning | SJT | 13 hr |
| Mar 22, 3:14 AM CDT | Lake Wind Advisory | SJT | 43 hr |
| Mar 25, 10:55 AM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 25, 11:27 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 25, 11:32 AM CDT | Severe Thunderstorm Warning | SJT | 43 min |
| Mar 25, 12:35 PM CDT | Severe Thunderstorm Warning | SJT | 40 min |
| Mar 25, 2:11 PM CDT | Severe Thunderstorm Warning | SJT | 34 min |
| Mar 25, 2:39 PM CDT | Severe Thunderstorm Warning | SJT | 36 min |
| Mar 26, 10:37 AM CDT | Red Flag Warning | SJT | 8 hr |
| Mar 26, 12:39 PM CDT | Lake Wind Advisory | SJT | 5 hr |
| Mar 27, 2:02 AM CDT | Wind Advisory | SJT | 20 hr |
| Mar 28, 4:35 AM CDT | Red Flag Warning | SJT | 13 hr |
| Mar 28, 2:17 PM CDT | Fire Weather Watch | SJT | 14 hr |
| Mar 28, 2:32 PM CDT | Freeze Warning | SJT | 18 hr |
| Mar 29, 4:05 AM CDT | Red Flag Warning | SJT | 14 hr |
| Mar 29, 1:29 PM CDT | Fire Weather Watch | SJT | 15 hr |
| Mar 29, 3:34 PM CDT | Lake Wind Advisory | SJT | 15 hr |
| Mar 29, 6:19 PM CDT | Red Flag Warning | SJT | 3 hr |
| Mar 30, 4:07 AM CDT | Red Flag Warning | SJT | 14 hr |
| Mar 30, 7:34 AM CDT | Lake Wind Advisory | SJT | 10 hr |
| Mar 30, 3:21 PM CDT | Fire Weather Watch | SJT | 36 hr |
| Mar 31, 3:01 PM CDT | Fire Weather Watch | SJT | 24 hr |
| Apr 1, 3:45 AM CDT | Lake Wind Advisory | SJT | 15 hr |
| Apr 1, 3:46 AM CDT | Red Flag Warning | SJT | 15 hr |
| Apr 1, 2:46 PM CDT | Red Flag Warning | SJT | 26 hr |
| Apr 2, 12:55 AM CDT | High Wind Warning | SJT | 2 hr |
| Apr 2, 2:12 AM CDT | Wind Advisory | SJT | 14 hr |
| Apr 2, 4:16 AM CDT | High Wind Warning | SJT | 6 hr |
| Apr 2, 3:08 PM CDT | Fire Weather Watch | SJT | 14 hr |
| Apr 2, 3:08 PM CDT | Fire Weather Watch | SJT | 37 hr |
| Apr 3, 11:18 AM CDT | Red Flag Warning | SJT | 9 hr |
| Apr 4, 3:20 AM CDT | Lake Wind Advisory | SJT | 16 hr |
| Apr 4, 3:44 AM CDT | Red Flag Warning | SJT | 16 hr |
| Apr 6, 6:49 PM CDT | Freeze Warning | SJT | 14 hr |
| Apr 6, 11:46 PM CDT | Fire Weather Watch | SJT | 35 hr |
| Apr 8, 10:55 AM CDT | Red Flag Warning | SJT | 34 hr |
| Apr 8, 3:23 PM CDT | High Wind Watch | SJT | 16 hr |
| Apr 9, 7:16 AM CDT | High Wind Warning | SJT | 9 hr |
| Apr 9, 7:16 AM CDT | Wind Advisory | SJT | 12 hr |
| Apr 11, 7:41 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 11, 9:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 11, 10:16 PM CDT | Severe Thunderstorm Warning | SJT | 44 min |
| Apr 11, 11:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 12, 12:39 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 16, 5:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 16, 8:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 16, 10:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 16, 11:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 16, 11:38 PM CDT | Severe Thunderstorm Warning | SJT | 52 min |
| Apr 17, 12:29 AM CDT | Severe Thunderstorm Warning | SJT | 46 min |
| Apr 17, 12:56 AM CDT | Severe Thunderstorm Warning | SJT | 49 min |
| Apr 17, 1:29 AM CDT | Severe Thunderstorm Warning | SJT | 46 min |
| Apr 23, 4:23 AM CDT | Red Flag Warning | SJT | 11 hr |
| Apr 24, 2:55 AM CDT | High Wind Warning | SJT | 3 hr |
| Apr 25, 8:52 PM CDT | Lake Wind Advisory | SJT | 21 hr |
| Apr 26, 3:01 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 26, 6:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 8:04 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 26, 10:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Apr 27, 12:14 AM CDT | Severe Thunderstorm Warning | SJT | 46 min |
| Apr 27, 12:46 AM CDT | Severe Thunderstorm Warning | SJT | 44 min |
| Apr 27, 12:58 AM CDT | Areal Flood Advisory | SJT | 3 hr |
| Apr 27, 1:04 AM CDT | Severe Thunderstorm Warning | SJT | 41 min |
| Apr 27, 1:27 AM CDT | Severe Thunderstorm Warning | SJT | 48 min |
| Apr 27, 1:49 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 27, 1:51 AM CDT | Severe Thunderstorm Warning | SJT | 39 min |
| Apr 27, 2:29 AM CDT | Severe Thunderstorm Warning | SJT | 46 min |
| Apr 27, 2:42 AM CDT | Flash Flood Warning | SJT | 4 hr |
| Apr 27, 2:44 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 27, 4:26 AM CDT | Flash Flood Watch | SJT | 9 hr |
| Apr 27, 5:13 AM CDT | Flash Flood Warning | SJT | 4 hr |
| Apr 27, 5:36 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 27, 6:12 AM CDT | Severe Thunderstorm Warning | SJT | 48 min |
| Apr 27, 6:55 AM CDT | Areal Flood Advisory | SJT | 6 hr |
| Apr 27, 7:43 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 28, 7:23 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 29, 2:33 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 29, 7:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 8, 5:08 PM CDT | Tornado Watch | SPC | 7 hr |
| May 8, 9:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 12, 5:41 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 23, 1:56 PM CDT | Areal Flood Advisory | SJT | 2 hr |
| May 28, 2:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 28, 7:09 PM CDT | Severe Thunderstorm Warning | SJT | 51 min |
| May 28, 7:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| May 31, 11:05 PM CDT | Areal Flood Advisory | SJT | 115 min |
| Jun 1, 4:27 AM CDT | Areal Flood Advisory | SJT | 2 hr |
| Jun 2, 2:46 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 2, 5:16 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 2, 7:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 2, 8:41 PM CDT | Severe Thunderstorm Warning | SJT | 49 min |
| Jun 2, 9:14 PM CDT | Severe Thunderstorm Warning | SJT | 46 min |
| Jun 2, 9:51 PM CDT | Areal Flood Advisory | SJT | 54 min |
| Jun 7, 4:00 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jun 29, 5:19 PM CDT | Areal Flood Advisory | SJT | 116 min |
| Jul 6, 4:47 AM CDT | Areal Flood Advisory | SJT | 3 hr |
| Jul 9, 4:08 AM CDT | Heat Advisory | SJT | 39 hr |
| Jul 19, 2:58 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 19, 5:23 AM CDT | Areal Flood Advisory | SJT | 3 hr |
| Jul 20, 1:00 PM CDT | Areal Flood Advisory | SJT | 2 hr |
| Jul 22, 1:13 AM CDT | Areal Flood Advisory | SJT | 2 hr |
| Jul 22, 3:24 PM CDT | Areal Flood Advisory | SJT | 3 hr |
| Jul 29, 5:45 AM CDT | Areal Flood Advisory | SJT | 2 hr |
| Jul 29, 5:31 PM CDT | Severe Thunderstorm Warning | SJT | 44 min |
| Jul 30, 1:45 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Jul 30, 4:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jul 30, 6:43 AM CDT | Areal Flood Advisory | SJT | 2 hr |
| Jul 30, 7:24 AM CDT | Areal Flood Advisory | SJT | 111 min |
| Jul 31, 4:53 PM CDT | Areal Flood Advisory | SJT | 112 min |
| Aug 1, 5:30 AM CDT | Areal Flood Advisory | SJT | 2 hr |
| Aug 1, 8:20 PM CDT | Areal Flood Advisory | SJT | 115 min |
| Aug 1, 10:02 PM CDT | Flash Flood Warning | SJT | 118 min |
| Aug 1, 10:23 PM CDT | Areal Flood Advisory | SJT | 112 min |
| Aug 1, 11:42 PM CDT | Flash Flood Warning | SJT | 3 hr |
| Aug 11, 1:56 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Aug 22, 1:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Sep 5, 1:47 AM CDT | Areal Flood Advisory | SJT | 3 hr |
| Sep 5, 3:47 AM CDT | Areal Flood Advisory | SJT | 118 min |
| Sep 5, 4:51 AM CDT | Areal Flood Advisory | SJT | 114 min |
| Sep 9, 1:26 PM CDT | Areal Flood Advisory | SJT | 3 hr |
| Sep 10, 6:18 AM CDT | Areal Flood Advisory | SJT | 87 min |
| Sep 11, 12:01 PM CDT | Flash Flood Watch | SJT | 51 hr |
| Sep 12, 4:24 AM CDT | Areal Flood Advisory | SJT | 3 hr |
| Sep 12, 6:33 AM CDT | Flash Flood Warning | SJT | 117 min |
| Sep 12, 8:48 AM CDT | Areal Flood Advisory | SJT | 117 min |
| Oct 5, 8:39 AM CDT | Dense Fog Advisory | SJT | 3 hr |
| Oct 5, 6:53 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 6, 11:54 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Oct 6, 1:50 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Oct 8, 4:00 AM CDT | Flash Flood Watch | SJT | 23 hr |
| Oct 8, 4:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Oct 8, 4:56 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Oct 8, 8:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Oct 8, 11:42 PM CDT | Severe Thunderstorm Warning | SJT | 48 min |
| Oct 8, 11:52 PM CDT | Severe Thunderstorm Warning | SJT | 38 min |
| Oct 8, 11:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Oct 9, 12:05 AM CDT | Severe Thunderstorm Warning | SJT | 40 min |
| Oct 14, 5:13 AM CDT | Dense Fog Advisory | SJT | 4 hr |
| Nov 15, 3:28 PM CST | Freeze Watch | SJT | 20 hr |
| Nov 16, 11:31 AM CST | Freeze Warning | SJT | 21 hr |
| Dec 3, 3:02 PM CST | Winter Weather Advisory | SJT | 21 hr |
| Dec 7, 9:00 AM CST | Freezing Rain Advisory | SJT | 24 hr |
| Dec 8, 4:42 AM CST | Wind Advisory | SJT | 13 hr |
| Dec 17, 5:50 AM CST | Freezing Fog Advisory | SJT | 3 hr |
| Dec 28, 4:01 AM CST | Winter Storm Watch | SJT | 11 hr |
| Dec 28, 2:36 PM CST | Winter Weather Advisory | SJT | 27 hr |
| Dec 29, 9:08 PM CST | Dense Fog Advisory | SJT | 7 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 | 23 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 32 |
| Flooding | |
| Flash Flood Warning | 5 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 26 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Freezing Rain Advisory | 3 |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Wind and dust | |
| High Wind Warning | 5 |
| High Wind Watch | 1 |
| Lake Wind Advisory | 12 |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 16 |
| Fire Weather Watch | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.