Alert archive / Texas / Colorado County
Weather alerts in Colorado County, Texas, 2020
115 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Colorado County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 115
- Warnings
- 17
- Watches
- 13
- Advisories
- 52
- Busiest month
- April19 alerts
- Busiest day
- June 25, 202013 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Colorado County, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 8 | 1 | 88% | 2 | 0% | |
| Flash flood warnings | 5 | 1 | 80% | 3 | 67% | 94 min |
Each office's whole area, 2020
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Houston/Galveston, TX: tornado warnings | 25 | 5 | 80% | 14 | 86% | 15 min |
| NWS Houston/Galveston, TX: severe thunderstorm warnings | 116 | 53 | 54% | 222 | 79% | 22 min |
| NWS Houston/Galveston, TX: flash flood warnings | 33 | 15 | 55% | 46 | 91% | 54 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 2, 10:53 PM CST | Dense Fog Advisory | HGX | 9 hr |
| Jan 10, 8:49 PM CST | Mesoscale Discussion | SPC | 116 min |
| Jan 10, 9:09 PM CST | Tornado Watch | SPC | 5 hr |
| Jan 10, 9:56 PM CST | Special Weather Statement | HGX | 49 min |
| Jan 10, 10:19 PM CST | Special Weather Statement | HGX | 41 min |
| Jan 13, 6:35 PM CST | Dense Fog Advisory | HGX | 15 hr |
| Jan 14, 6:43 PM CST | Dense Fog Advisory | HGX | 13 hr |
| Jan 15, 5:36 PM CST | Dense Fog Advisory | HGX | 16 hr |
| Jan 26, 8:23 PM CST | Dense Fog Advisory | HGX | 15 hr |
| Feb 3, 4:00 AM CST | Wind Advisory | HGX | 14 hr |
| Feb 16, 12:36 AM CST | Dense Fog Advisory | HGX | 9 hr |
| Feb 16, 5:09 PM CST | Dense Fog Advisory | HGX | 19 hr |
| Feb 25, 3:00 PM CST | Wind Advisory | HGX | 30 hr |
| Mar 3, 1:17 AM CST | Dense Fog Advisory | HGX | 9 hr |
| Mar 10, 5:00 AM CDT | Dense Fog Advisory | HGX | 5 hr |
| Mar 11, 2:33 AM CDT | Dense Fog Advisory | HGX | 7 hr |
| Mar 20, 9:21 AM CDT | Special Weather Statement | HGX | 24 min |
| Mar 21, 10:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Mar 21, 3:18 PM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| Apr 2, 5:15 PM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 7, 1:56 AM CDT | Dense Fog Advisory | HGX | 6 hr |
| Apr 8, 2:38 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Apr 9, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 5:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 12, 2:21 AM CDT | Wind Advisory | HGX | 17 hr |
| Apr 19, 3:58 AM CDT | Dense Fog Advisory | HGX | 4 hr |
| Apr 19, 7:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 19, 8:41 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 25, 12:14 PM CDT | Special Weather Statement | HGX | 46 min |
| Apr 28, 12:47 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Apr 28, 2:29 PM CDT | Severe Thunderstorm Warning | HGX | 31 min |
| Apr 28, 3:00 PM CDT | Severe Thunderstorm Warning | HGX | 30 min |
| Apr 28, 3:06 PM CDT | Areal Flood Advisory | HGX | 54 min |
| Apr 28, 3:30 PM CDT | Severe Thunderstorm Warning | HGX | 30 min |
| Apr 29, 2:40 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 29, 5:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 29, 5:12 AM CDT | Severe Thunderstorm Warning | HGX | 33 min |
| Apr 29, 6:03 AM CDT | Special Weather Statement | HGX | 42 min |
| May 5, 3:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 4:42 PM CDT | Special Weather Statement | HGX | 63 min |
| May 12, 7:12 PM CDT | Special Weather Statement | HGX | 48 min |
| May 12, 9:37 PM CDT | Areal Flood Advisory | HGX | 113 min |
| May 15, 5:14 AM CDT | Flash Flood Watch | HGX | 26 hr |
| May 15, 8:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 11:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 12:54 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 16, 1:00 AM CDT | Special Weather Statement | HGX | 60 min |
| May 16, 1:25 AM CDT | Severe Thunderstorm Warning | HGX | 50 min |
| May 24, 12:39 PM CDT | Mesoscale Discussion | SPC | 96 min |
| May 24, 5:22 PM CDT | Areal Flood Advisory | HGX | 53 min |
| May 24, 8:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 25, 12:48 AM CDT | Special Weather Statement | HGX | 42 min |
| May 26, 4:49 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 27, 12:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 1:24 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 27, 2:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 28, 6:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 3:08 PM CDT | Heat Advisory | HGX | 28 hr |
| Jun 23, 12:16 PM CDT | Flash Flood Watch | HGX | 19 hr |
| Jun 24, 10:25 PM CDT | Areal Flood Advisory | HGX | 110 min |
| Jun 24, 10:48 PM CDT | Flood Watch | HGX | 7 min |
| Jun 24, 10:57 PM CDT | Flash Flood Watch | HGX | 11 hr |
| Jun 25, 12:24 AM CDT | Areal Flood Advisory | HGX | 111 min |
| Jun 25, 1:45 AM CDT | Flash Flood Warning | HGX | 2 hr |
| Jun 25, 2:17 AM CDT | Areal Flood Advisory | HGX | 29 min |
| Jun 25, 2:46 AM CDT | Flash Flood Warning | HGX | 59 min |
| Jun 25, 3:53 AM CDT | Areal Flood Advisory | HGX | 112 min |
| Jun 25, 5:20 AM CDT | Areal Flood Warning | HGX | 115 min |
| Jun 25, 5:26 AM CDT | Flash Flood Warning | HGX | 109 min |
| Jun 25, 5:46 AM CDT | Areal Flood Advisory | HGX | 89 min |
| Jun 25, 7:12 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Jun 25, 9:42 AM CDT | Areal Flood Advisory | HGX | 108 min |
| Jul 10, 3:12 AM CDT | Heat Advisory | HGX | 16 hr |
| Jul 10, 3:55 PM CDT | Heat Advisory | HGX | 28 hr |
| Jul 11, 2:44 PM CDT | Heat Advisory | HGX | 29 hr |
| Jul 12, 3:16 PM CDT | Heat Advisory | HGX | 29 hr |
| Jul 13, 3:13 PM CDT | Heat Advisory | HGX | 29 hr |
| Jul 25, 6:59 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 29, 12:46 PM CDT | Special Weather Statement | HGX | 59 min |
| Aug 2, 3:25 PM CDT | Severe Thunderstorm Warning | HGX | 35 min |
| Aug 2, 4:05 PM CDT | Severe Thunderstorm Warning | HGX | 25 min |
| Aug 2, 4:06 PM CDT | Special Weather Statement | HGX | 39 min |
| Aug 2, 5:08 PM CDT | Special Weather Statement | HGX | 52 min |
| Aug 2, 5:55 PM CDT | Special Weather Statement | HGX | 50 min |
| Aug 12, 3:05 AM CDT | Heat Advisory | HGX | 5 days |
| Aug 18, 7:40 PM CDT | Special Weather Statement | HGX | 50 min |
| Aug 21, 4:45 PM CDT | Special Weather Statement | HGX | 45 min |
| Aug 28, 3:59 AM CDT | Heat Advisory | HGX | 18 hr |
| Aug 28, 3:07 PM CDT | Heat Advisory | HGX | 30 hr |
| Aug 30, 4:13 AM CDT | Heat Advisory | HGX | 40 hr |
| Aug 31, 3:47 PM CDT | Heat Advisory | HGX | 28 hr |
| Sep 19, 4:28 PM CDT | Flash Flood Watch | HGX | 3 days |
| Sep 22, 12:24 AM CDT | Flash Flood Warning | HGX | 111 min |
| Sep 22, 9:05 PM CDT | River Flood Warning | HGX | 60 hr |
| Sep 26, 7:06 AM CDT | Dense Fog Advisory | HGX | 114 min |
| Sep 28, 4:06 AM CDT | Wind Advisory | HGX | 17 hr |
| Oct 11, 1:51 AM CDT | Dense Fog Advisory | HGX | 7 hr |
| Oct 14, 6:47 AM CDT | Dense Fog Advisory | HGX | 3 hr |
| Oct 21, 4:30 AM CDT | Dense Fog Advisory | HGX | 5 hr |
| Nov 5, 7:42 AM CST | Dense Fog Advisory | HGX | 78 min |
| Nov 8, 12:47 AM CST | Dense Fog Advisory | HGX | 8 hr |
| Nov 8, 9:08 AM CST | Dense Fog Advisory | HGX | 52 min |
| Nov 13, 2:20 AM CST | Dense Fog Advisory | HGX | 7 hr |
| Nov 20, 3:03 AM CST | Dense Fog Advisory | HGX | 6 hr |
| Nov 21, 2:09 AM CST | Dense Fog Advisory | HGX | 7 hr |
| Nov 29, 2:59 PM CST | Freeze Watch | HGX | 12 hr |
| Nov 30, 3:12 AM CST | Freeze Warning | HGX | 29 hr |
| Dec 11, 7:46 PM CST | Dense Fog Advisory | HGX | 7 hr |
| Dec 12, 4:02 AM CST | Dense Fog Advisory | HGX | 5 hr |
| Dec 13, 3:16 PM CST | Wind Advisory | HGX | 13 hr |
| Dec 23, 3:00 AM CST | Wind Advisory | HGX | 33 hr |
| Dec 30, 11:29 AM CST | Flash Flood Watch | HGX | 28 hr |
| Dec 30, 7:31 PM CST | Areal Flood Advisory | HGX | 3 hr |
| Dec 31, 7:03 AM CST | Areal Flood Advisory | HGX | 3 hr |
| Dec 31, 7:42 AM CST | River Flood Warning | HGX | 4 days |
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 | 8 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 15 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 5 |
| River Flood Warning | 2 |
| Flash Flood Watch | 5 |
| Flood Watch | 1 |
| Areal Flood Advisory | 11 |
| Heat | |
| Heat Advisory | 11 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 24 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.