Alert archive / Texas / Henderson County
Weather alerts in Henderson County, Texas, 2010
116 weather alerts in 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Henderson County and its neighbors
Each county as a circle sized by its count in 2010. Tap one for its archive.
- Alerts
- 116
- Warnings
- 43
- Watches
- 16
- Advisories
- 23
- Busiest month
- October21 alerts
- Busiest day
- June 10, 201010 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 6 tornado warnings covering Henderson County in 2010 had a tornado report inside them; 0 of 1 tornado reports fell inside a warning.
Henderson County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 6 | 0 | 100% | 1 | 0% | |
| Severe thunderstorm warnings | 16 | 7 | 56% | 16 | 81% | 15 min |
| Flash flood warnings | 6 | 3 | 50% | 0 |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Fort Worth, TX: tornado warnings | 53 | 9 | 83% | 18 | 72% | 14 min |
| NWS Fort Worth, TX: severe thunderstorm warnings | 252 | 114 | 55% | 290 | 78% | 26 min |
| NWS Fort Worth, TX: flash flood warnings | 85 | 42 | 51% | 94 | 93% | 93 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 6, 3:42 PM CST | Wind Advisory | FWD | 26 hr |
| Jan 6, 9:18 PM CST | Winter Weather Advisory | FWD | 11 hr |
| Jan 16, 11:30 PM CST | Dense Fog Advisory | FWD | 11 hr |
| Jan 20, 3:52 PM CST | Tornado Watch | SPC | 6 hr |
| Jan 20, 5:51 PM CST | Special Weather Statement | FWD | 24 min |
| Jan 20, 6:15 PM CST | Special Weather Statement | FWD | 30 min |
| Jan 20, 6:25 PM CST | Severe Thunderstorm Warning | FWD | 35 min |
| Jan 20, 6:37 PM CST | Tornado Warning | FWD | 38 min |
| Jan 28, 2:36 PM CST | Mesoscale Discussion | SPC | 84 min |
| Jan 28, 9:49 PM CST | River Flood Warning | FWD | 27 days |
| Jan 31, 10:05 PM CST | Freezing Fog Advisory | FWD | 11 hr |
| Feb 10, 3:45 PM CST | Winter Weather Advisory | FWD | 38 hr |
| Feb 11, 3:00 AM CST | Winter Storm Warning | FWD | 27 hr |
| Feb 11, 6:51 AM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 11, 12:21 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Feb 11, 6:56 PM CST | Mesoscale Discussion | SPC | 5 hr |
| Feb 12, 2:58 PM CST | Freezing Fog Advisory | FWD | 19 hr |
| Feb 13, 9:37 AM CST | Dense Fog Advisory | FWD | 2 hr |
| Feb 13, 9:40 PM CST | Dense Fog Advisory | FWD | 12 hr |
| Feb 21, 3:18 PM CST | Winter Storm Watch | FWD | 22 hr |
| Feb 22, 1:39 PM CST | Winter Weather Advisory | FWD | 31 hr |
| Feb 23, 12:01 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 2, 10:30 AM CST | River Flood Warning | FWD | 34 hr |
| Mar 8, 5:18 PM CST | Mesoscale Discussion | SPC | 87 min |
| Mar 9, 12:01 AM CST | Mesoscale Discussion | SPC | 89 min |
| Mar 9, 3:23 AM CST | River Flood Warning | FWD | 6 days |
| Mar 10, 8:08 AM CST | Severe Thunderstorm Watch | SPC | 9 hr |
| Mar 10, 11:01 AM CST | Mesoscale Discussion | SPC | 89 min |
| Mar 10, 2:05 PM CST | Mesoscale Discussion | SPC | 85 min |
| Mar 10, 3:12 PM CST | Special Weather Statement | FWD | 33 min |
| Mar 10, 3:16 PM CST | Severe Thunderstorm Warning | FWD | 44 min |
| Mar 10, 4:28 PM CST | Special Weather Statement | FWD | 32 min |
| Mar 19, 3:18 PM CDT | Winter Weather Advisory | FWD | 49 hr |
| Mar 20, 8:06 AM CDT | Special Weather Statement | FWD | 54 min |
| Mar 21, 3:09 AM CDT | Wind Advisory | FWD | 15 hr |
| Mar 21, 10:54 AM CDT | River Flood Warning | FWD | 23 hr |
| Mar 25, 10:30 AM CDT | River Flood Warning | FWD | 5 days |
| Mar 27, 4:32 AM CDT | Wind Advisory | FWD | 14 hr |
| Apr 3, 3:06 AM CDT | Dense Fog Advisory | FWD | 5 hr |
| Apr 23, 8:28 AM CDT | Mesoscale Discussion | SPC | 62 min |
| Apr 23, 2:50 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 23, 5:24 PM CDT | Mesoscale Discussion | SPC | 36 min |
| Apr 23, 5:41 PM CDT | Tornado Watch | SPC | 9 hr |
| Apr 24, 1:23 AM CDT | Severe Thunderstorm Warning | FWD | 67 min |
| Apr 29, 3:54 AM CDT | Wind Advisory | FWD | 20 hr |
| May 1, 5:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 3:12 PM CDT | Flash Flood Warning | FWD | 3 hr |
| May 14, 6:08 PM CDT | Areal Flood Warning | FWD | 3 hr |
| May 17, 4:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 17, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 20, 11:28 AM CDT | Mesoscale Discussion | SPC | 62 min |
| May 20, 11:57 AM CDT | Tornado Watch | SPC | 8 hr |
| May 20, 2:54 PM CDT | Severe Thunderstorm Warning | FWD | 66 min |
| May 20, 2:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| May 20, 3:55 PM CDT | Severe Thunderstorm Warning | FWD | 65 min |
| May 20, 5:00 PM CDT | Severe Thunderstorm Warning | FWD | 60 min |
| May 20, 5:11 PM CDT | Tornado Warning | FWD | 49 min |
| Jun 3, 1:57 PM CDT | Special Weather Statement | FWD | 63 min |
| Jun 8, 3:12 PM CDT | Flash Flood Watch | FWD | 52 hr |
| Jun 9, 8:46 AM CDT | Tornado Watch | SPC | 7 hr |
| Jun 10, 1:09 AM CDT | Areal Flood Advisory | FWD | 2 hr |
| Jun 10, 2:19 AM CDT | Flash Flood Warning | FWD | 116 min |
| Jun 10, 2:50 AM CDT | Flash Flood Warning | FWD | 115 min |
| Jun 10, 4:14 AM CDT | Flash Flood Warning | FWD | 4 hr |
| Jun 10, 7:30 AM CDT | Flash Flood Warning | FWD | 4 hr |
| Jun 10, 10:42 AM CDT | River Flood Warning | FWD | 70 hr |
| Jun 10, 11:23 AM CDT | Flash Flood Warning | FWD | 3 hr |
| Jun 10, 11:29 AM CDT | Areal Flood Warning | FWD | 8 hr |
| Jun 10, 2:04 PM CDT | Areal Flood Warning | FWD | 6 hr |
| Jun 10, 4:20 PM CDT | Special Weather Statement | FWD | 25 min |
| Jul 6, 3:13 PM CDT | Flash Flood Watch | FWD | 3 days |
| Jul 14, 3:40 AM CDT | Heat Advisory | FWD | 5 days |
| Jul 26, 1:45 PM CDT | Severe Thunderstorm Warning | FWD | 45 min |
| Aug 2, 11:03 AM CDT | Heat Advisory | FWD | 15 days |
| Aug 15, 1:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 3:44 AM CDT | Heat Advisory | FWD | 5 days |
| Aug 19, 1:39 PM CDT | Special Weather Statement | FWD | 36 min |
| Aug 23, 6:08 PM CDT | Special Weather Statement | FWD | 37 min |
| Sep 6, 3:24 PM CDT | Flash Flood Watch | FWD | 60 hr |
| Sep 7, 12:12 PM CDT | Tornado Watch | SPC | 8 hr |
| Sep 7, 6:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 8, 10:02 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Sep 8, 4:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Sep 8, 5:36 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 8, 8:46 PM CDT | River Flood Warning | FWD | 7 days |
| Oct 11, 1:56 PM CDT | Severe Thunderstorm Warning | FWD | 64 min |
| Oct 11, 2:22 PM CDT | Areal Flood Advisory | FWD | 113 min |
| Oct 11, 2:27 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Oct 11, 3:02 PM CDT | Severe Thunderstorm Warning | FWD | 58 min |
| Oct 11, 3:48 PM CDT | Severe Thunderstorm Warning | FWD | 57 min |
| Oct 23, 11:42 AM CDT | Mesoscale Discussion | SPC | 63 min |
| Oct 23, 12:05 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 23, 3:34 PM CDT | Tornado Warning | FWD | 41 min |
| Oct 23, 4:34 PM CDT | Tornado Warning | FWD | 41 min |
| Oct 23, 5:12 PM CDT | Severe Thunderstorm Warning | FWD | 48 min |
| Oct 24, 12:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Oct 24, 1:51 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 24, 6:12 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Oct 24, 6:19 PM CDT | Severe Thunderstorm Warning | FWD | 86 min |
| Oct 24, 7:01 PM CDT | Severe Thunderstorm Warning | FWD | 89 min |
| Oct 24, 7:20 PM CDT | Tornado Warning | FWD | 40 min |
| Oct 24, 8:40 PM CDT | Severe Thunderstorm Warning | FWD | 65 min |
| Oct 24, 9:38 PM CDT | Severe Thunderstorm Warning | FWD | 37 min |
| Oct 24, 9:46 PM CDT | Tornado Warning | FWD | 14 min |
| Oct 24, 9:57 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 25, 3:51 AM CDT | Wind Advisory | FWD | 15 hr |
| Nov 5, 3:17 PM CDT | Freeze Warning | FWD | 18 hr |
| Nov 12, 3:04 PM CST | Severe Thunderstorm Warning | FWD | 56 min |
| Nov 24, 11:18 AM CST | Wind Advisory | FWD | 7 hr |
| Nov 25, 2:00 AM CST | Wind Advisory | FWD | 14 hr |
| Nov 25, 3:44 PM CST | Freeze Warning | FWD | 16 hr |
| Nov 26, 3:33 PM CST | Freeze Warning | FWD | 16 hr |
| Nov 29, 4:36 AM CST | Fire Weather Watch | FWD | 10 hr |
| Nov 29, 9:50 AM CST | Special Weather Statement | FWD | 25 min |
| Dec 12, 8:37 AM CST | Red Flag Warning | FWD | 8 hr |
| Dec 15, 12:06 PM CST | Wind Advisory | FWD | 6 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 | 16 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 8 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 10 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 6 |
| River Flood Warning | 7 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 2 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
| Freezing Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.