Alert archive / Texas / Houston County
Weather alerts in Houston County, Texas, 2019
173 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Houston County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 173
- Warnings
- 62
- Watches
- 21
- Advisories
- 32
- Busiest month
- April52 alerts
- Busiest day
- April 13, 201917 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 10 tornado warnings covering Houston County in 2019 had a tornado report inside them; 5 of 5 tornado reports fell inside a warning, on average 8 minutes after it went out.
Houston County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 10 | 3 | 70% | 5 | 100% | 8 min |
| Severe thunderstorm warnings | 26 | 8 | 69% | 14 | 79% | 28 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Houston/Galveston, TX: tornado warnings | 45 | 8 | 82% | 18 | 72% | 8 min |
| NWS Houston/Galveston, TX: severe thunderstorm warnings | 158 | 64 | 59% | 147 | 72% | 21 min |
| NWS Houston/Galveston, TX: flash flood warnings | 67 | 29 | 57% | 89 | 89% | 101 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, 3:10 PM CST | Flash Flood Watch | HGX | 45 hr |
| Jan 2, 5:59 PM CST | Areal Flood Advisory | HGX | 3 hr |
| Jan 3, 2:13 AM CST | River Flood Warning | HGX | 21 days |
| Jan 6, 2:12 AM CST | Dense Fog Advisory | HGX | 8 hr |
| Jan 8, 6:20 AM CST | Dense Fog Advisory | HGX | 3 hr |
| Jan 8, 9:03 AM CST | Dense Fog Advisory | HGX | 57 min |
| Jan 19, 3:58 AM CST | Wind Advisory | HGX | 18 hr |
| Jan 23, 7:12 AM CST | River Flood Warning | SHV | 50 hr |
| Jan 27, 5:22 AM CST | Dense Fog Advisory | HGX | 6 hr |
| Jan 30, 9:58 AM CST | River Flood Warning | SHV | 21 days |
| Feb 13, 11:41 AM CST | River Flood Warning | SHV | 7 days |
| Feb 15, 12:58 AM CST | Dense Fog Advisory | HGX | 6 hr |
| Feb 19, 6:21 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 22, 5:39 PM CST | Dense Fog Advisory | HGX | 17 hr |
| Feb 22, 9:40 PM CST | River Flood Warning | SHV | 13 days |
| Feb 26, 11:42 PM CST | Dense Fog Advisory | HGX | 34 hr |
| Feb 28, 10:01 AM CST | River Flood Warning | SHV | 21 days |
| Mar 3, 3:27 PM CST | Freeze Watch | HGX | 24 hr |
| Mar 4, 3:21 PM CST | Hard Freeze Warning | HGX | 18 hr |
| Mar 5, 3:28 PM CST | Freeze Warning | HGX | 17 hr |
| Mar 9, 10:20 PM CST | Dense Fog Advisory | HGX | 12 hr |
| Mar 13, 2:54 AM CDT | Wind Advisory | HGX | 7 hr |
| Mar 13, 11:30 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 14, 1:59 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 14, 2:11 AM CDT | Special Weather Statement | HGX | 64 min |
| Mar 14, 3:20 AM CDT | Special Weather Statement | HGX | 40 min |
| Mar 14, 3:23 AM CDT | Severe Thunderstorm Warning | HGX | 37 min |
| Mar 14, 3:59 AM CDT | Severe Thunderstorm Warning | HGX | 27 min |
| Mar 14, 4:01 AM CDT | Special Weather Statement | HGX | 44 min |
| Mar 14, 4:07 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Mar 14, 9:42 AM CDT | River Flood Warning | SHV | 46 hr |
| Mar 14, 4:18 PM CDT | River Flood Warning | SHV | 7 days |
| Apr 6, 9:08 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 6, 10:35 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 6, 11:06 AM CDT | Severe Thunderstorm Warning | HGX | 39 min |
| Apr 6, 1:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 6, 3:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 6, 4:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 6, 5:39 PM CDT | Severe Thunderstorm Warning | HGX | 36 min |
| Apr 6, 5:54 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 6, 5:55 PM CDT | Tornado Warning | HGX | 20 min |
| Apr 6, 6:17 PM CDT | Severe Thunderstorm Warning | HGX | 13 min |
| Apr 6, 6:28 PM CDT | Tornado Warning | HGX | 32 min |
| Apr 6, 6:59 PM CDT | Severe Thunderstorm Warning | HGX | 46 min |
| Apr 6, 7:44 PM CDT | Severe Thunderstorm Warning | HGX | 46 min |
| Apr 6, 7:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 7, 7:11 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 7, 7:31 AM CDT | Areal Flood Advisory | HGX | 59 min |
| Apr 7, 8:09 AM CDT | Special Weather Statement | HGX | 51 min |
| Apr 7, 11:25 AM CDT | River Flood Warning | SHV | 68 days |
| Apr 7, 11:25 AM CDT | River Flood Warning | SHV | 6 days |
| Apr 7, 1:46 PM CDT | Severe Thunderstorm Warning | HGX | 44 min |
| Apr 7, 1:48 PM CDT | Tornado Warning | HGX | 27 min |
| Apr 7, 2:01 PM CDT | Severe Thunderstorm Warning | HGX | 44 min |
| Apr 7, 2:47 PM CDT | Special Weather Statement | HGX | 28 min |
| Apr 8, 10:13 AM CDT | River Flood Warning | SHV | 3 days |
| Apr 13, 1:52 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 13, 9:49 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 13, 10:01 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 13, 10:24 AM CDT | Special Weather Statement | HGX | 51 min |
| Apr 13, 11:10 AM CDT | Severe Thunderstorm Warning | HGX | 35 min |
| Apr 13, 11:26 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 13, 11:29 AM CDT | Tornado Warning | HGX | 31 min |
| Apr 13, 11:48 AM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| Apr 13, 11:50 AM CDT | Tornado Warning | HGX | 25 min |
| Apr 13, 11:52 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 13, 12:12 PM CDT | Tornado Warning | HGX | 48 min |
| Apr 13, 12:37 PM CDT | Tornado Warning | HGX | 23 min |
| Apr 13, 12:43 PM CDT | Tornado Warning | HGX | 47 min |
| Apr 13, 12:52 PM CDT | Tornado Warning | HGX | 38 min |
| Apr 13, 1:18 PM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| Apr 13, 1:30 PM CDT | Tornado Warning | HGX | 45 min |
| Apr 13, 1:55 PM CDT | Severe Thunderstorm Warning | HGX | 25 min |
| Apr 14, 1:12 AM CDT | River Flood Warning | SHV | 61 hr |
| Apr 17, 1:58 PM CDT | River Flood Warning | SHV | 44 days |
| Apr 18, 12:54 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 18, 1:09 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 18, 2:02 AM CDT | Severe Thunderstorm Warning | HGX | 43 min |
| Apr 18, 2:17 AM CDT | Severe Thunderstorm Warning | HGX | 43 min |
| Apr 18, 2:42 AM CDT | Severe Thunderstorm Warning | HGX | 48 min |
| Apr 18, 10:00 AM CDT | River Flood Warning | SHV | 49 days |
| Apr 24, 3:47 PM CDT | Mesoscale Discussion | SPC | 43 min |
| Apr 24, 4:49 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 24, 7:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 2, 3:53 AM CDT | Special Weather Statement | HGX | 37 min |
| May 2, 4:16 AM CDT | Severe Thunderstorm Warning | HGX | 29 min |
| May 2, 4:45 AM CDT | Severe Thunderstorm Warning | HGX | 30 min |
| May 2, 7:09 PM CDT | Special Weather Statement | HGX | 51 min |
| May 3, 10:05 AM CDT | River Flood Warning | HGX | 72 hr |
| May 3, 3:41 PM CDT | Flash Flood Watch | HGX | 12 hr |
| May 8, 12:21 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 8, 12:58 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 8, 2:16 PM CDT | Tornado Watch | SPC | 6 hr |
| May 8, 2:33 PM CDT | Special Weather Statement | HGX | 42 min |
| May 8, 10:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 9, 12:30 AM CDT | Special Weather Statement | HGX | 45 min |
| May 9, 4:34 AM CDT | Flash Flood Watch | HGX | 59 hr |
| May 9, 4:25 PM CDT | River Flood Warning | HGX | 16 days |
| May 18, 12:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 18, 1:16 PM CDT | Tornado Watch | SPC | 9 hr |
| May 18, 5:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 18, 6:35 PM CDT | Special Weather Statement | HGX | 40 min |
| May 18, 7:13 PM CDT | Mesoscale Discussion | SPC | 62 min |
| May 18, 8:04 PM CDT | Special Weather Statement | HGX | 41 min |
| May 18, 8:17 PM CDT | Severe Thunderstorm Warning | HGX | 43 min |
| May 18, 9:34 PM CDT | Special Weather Statement | HGX | 41 min |
| May 18, 9:45 PM CDT | Severe Thunderstorm Warning | HGX | 45 min |
| May 18, 10:16 PM CDT | Tornado Watch | SPC | 6 hr |
| May 18, 10:58 PM CDT | Severe Thunderstorm Warning | HGX | 47 min |
| May 18, 11:09 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| May 18, 11:44 PM CDT | Severe Thunderstorm Warning | HGX | 46 min |
| May 18, 11:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 19, 12:30 AM CDT | Special Weather Statement | HGX | 60 min |
| May 19, 1:03 AM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| May 19, 9:44 PM CDT | Special Weather Statement | HGX | 46 min |
| May 20, 8:02 PM CDT | Wind Advisory | HGX | 22 hr |
| May 31, 1:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 1:40 PM CDT | Special Weather Statement | HGX | 35 min |
| May 31, 1:48 PM CDT | Areal Flood Advisory | HGX | 57 min |
| Jun 4, 6:14 AM CDT | Flash Flood Watch | HGX | 37 hr |
| Jun 4, 4:15 PM CDT | Special Weather Statement | HGX | 30 min |
| Jun 9, 3:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Jun 16, 11:53 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 12:07 PM CDT | Areal Flood Advisory | HGX | 113 min |
| Jun 16, 1:07 PM CDT | Severe Thunderstorm Warning | HGX | 38 min |
| Jun 16, 3:34 PM CDT | Areal Flood Advisory | HGX | 116 min |
| Jun 16, 7:40 PM CDT | Special Weather Statement | HGX | 50 min |
| Jun 16, 7:45 PM CDT | Flash Flood Warning | HGX | 2 hr |
| Jun 16, 9:10 PM CDT | River Flood Warning | SHV | 21 days |
| Jun 16, 9:10 PM CDT | River Flood Warning | SHV | 21 days |
| Jun 16, 9:10 PM CDT | River Flood Warning | SHV | 20 days |
| Jun 19, 8:51 PM CDT | Heat Advisory | HGX | 22 hr |
| Jun 19, 10:24 PM CDT | Mesoscale Discussion | SPC | 36 min |
| Jun 19, 10:50 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 20, 5:36 AM CDT | Severe Thunderstorm Warning | HGX | 39 min |
| Jun 20, 7:16 PM CDT | Heat Advisory | HGX | 24 hr |
| Jun 23, 8:59 AM CDT | River Flood Warning | SHV | 21 days |
| Jun 23, 3:46 PM CDT | Severe Thunderstorm Warning | HGX | 29 min |
| Jun 23, 4:29 PM CDT | Special Weather Statement | HGX | 46 min |
| Jun 23, 9:41 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 24, 12:18 AM CDT | Special Weather Statement | HGX | 42 min |
| Jun 24, 1:32 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 24, 1:38 AM CDT | Special Weather Statement | HGX | 37 min |
| Jun 24, 2:31 AM CDT | Special Weather Statement | HGX | 44 min |
| Jun 27, 2:39 PM CDT | Special Weather Statement | HGX | 66 min |
| Jun 29, 2:39 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Jun 29, 3:36 PM CDT | Special Weather Statement | HGX | 39 min |
| Jul 9, 4:51 AM CDT | Heat Advisory | HGX | 14 hr |
| Jul 10, 9:50 PM CDT | Special Weather Statement | HGX | 25 min |
| Jul 10, 10:15 PM CDT | Special Weather Statement | HGX | 30 min |
| Jul 22, 7:20 PM CDT | Special Weather Statement | HGX | 40 min |
| Jul 30, 4:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jul 30, 6:34 PM CDT | Special Weather Statement | HGX | 41 min |
| Aug 7, 10:06 AM CDT | Heat Advisory | HGX | 3 days |
| Aug 11, 4:21 AM CDT | Heat Advisory | HGX | 4 days |
| Aug 17, 4:20 AM CDT | Heat Advisory | HGX | 15 hr |
| Aug 25, 3:43 PM CDT | Heat Advisory | HGX | 27 hr |
| Aug 26, 9:23 PM CDT | Heat Advisory | HGX | 22 hr |
| Aug 28, 9:26 AM CDT | Areal Flood Advisory | HGX | 2 hr |
| Aug 31, 5:28 PM CDT | Areal Flood Advisory | HGX | 62 min |
| Sep 18, 9:08 AM CDT | River Flood Warning | SHV | 25 hr |
| Oct 10, 11:14 AM CDT | Wind Advisory | HGX | 38 hr |
| Oct 21, 1:50 AM CDT | Tornado Watch | SPC | 5 hr |
| Oct 21, 4:19 AM CDT | Special Weather Statement | HGX | 56 min |
| Oct 24, 9:03 PM CDT | Special Weather Statement | HGX | 72 min |
| Oct 31, 10:32 AM CDT | Freeze Warning | HGX | 22 hr |
| Nov 11, 3:33 AM CST | Wind Advisory | HGX | 35 hr |
| Nov 12, 3:48 AM CST | Hard Freeze Watch | HGX | 11 hr |
| Nov 12, 3:16 PM CST | Hard Freeze Warning | HGX | 17 hr |
| Nov 14, 10:13 PM CST | Dense Fog Advisory | HGX | 11 hr |
| Nov 30, 9:46 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Dec 24, 7:25 PM CST | Dense Fog Advisory | HGX | 15 hr |
| Dec 25, 7:48 PM CST | Dense Fog Advisory | HGX | 16 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 | 26 |
| Tornado Warning | 10 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 28 |
| Special Weather Statement | 30 |
| Flooding | |
| Flash Flood Warning | 1 |
| River Flood Warning | 21 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 8 |
| Heat | |
| Heat Advisory | 8 |
| Cold | |
| Freeze Warning | 2 |
| Hard Freeze Warning | 2 |
| Freeze Watch | 1 |
| Hard Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 11 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.