Alert archive / Texas / Brazoria County
Weather alerts in Brazoria County, Texas, 2008
131 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Brazoria County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 131
- Warnings
- 41
- Watches
- 21
- Advisories
- 48
- Busiest month
- June21 alerts
- Busiest day
- June 21, 20087 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 1 tornado warnings covering Brazoria County in 2008 had a tornado report inside them.
Brazoria County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 21 | 7 | 67% | 3 | 67% | 23 min |
| Flash flood warnings | 2 | 1 | 50% | 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 19, 6:57 AM CST | River Flood Warning | HGX | 38 hr |
| Jan 19, 9:07 AM CST | River Flood Warning | HGX | 24 hr |
| Jan 21, 6:23 PM CST | Dense Fog Advisory | HGX | 14 hr |
| Jan 23, 8:55 PM CST | River Flood Warning | HGX | 12 hr |
| Jan 28, 3:22 PM CST | Red Flag Warning | HGX | 29 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, 9:57 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 5, 5:54 PM CST | Mesoscale Discussion | SPC | 96 min |
| Feb 9, 12:56 AM CST | Dense Fog Advisory | HGX | 6 hr |
| Feb 10, 1:20 AM CST | Dense Fog Advisory | HGX | 7 hr |
| Feb 10, 8:34 AM CST | Dense Fog Advisory | HGX | 86 min |
| Feb 11, 1:34 PM CST | Mesoscale Discussion | SPC | 116 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, 8:25 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 16, 9:01 PM CST | Severe Thunderstorm Warning | HGX | 59 min |
| Feb 21, 3:22 AM CST | Dense Fog Advisory | HGX | 4 hr |
| Feb 21, 11:45 PM CST | Dense Fog Advisory | HGX | 3 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 3, 10:52 AM CST | Wind Advisory | HGX | 17 hr |
| Mar 6, 12:09 PM CST | Tornado Watch | SPC | 6 hr |
| Mar 6, 2:00 PM CST | Mesoscale Discussion | SPC | 90 min |
| Mar 6, 3:40 PM CST | Wind Advisory | HGX | 26 hr |
| Mar 6, 5:00 PM CST | Mesoscale Discussion | SPC | 60 min |
| Mar 6, 5:35 PM CST | Severe Thunderstorm Warning | HGX | 40 min |
| Mar 12, 6:01 AM CDT | Dense Fog Advisory | HGX | 4 hr |
| 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 |
| Apr 7, 4:36 AM CDT | Dense Fog Advisory | HGX | 5 hr |
| Apr 9, 9:29 PM CDT | Wind Advisory | HGX | 9 hr |
| Apr 10, 3:25 AM CDT | Coastal Flood Advisory | HGX | 6 hr |
| Apr 17, 4:45 AM CDT | Wind Advisory | HGX | 15 hr |
| Apr 18, 4:33 AM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| Apr 26, 1:30 AM CDT | Severe Thunderstorm Warning | HGX | 45 min |
| Apr 26, 1:48 AM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| Apr 26, 2:11 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 27, 3:21 PM CDT | Wind Advisory | HGX | 15 hr |
| May 27, 5:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 6:46 PM CDT | Areal Flood Advisory | HGX | 45 min |
| Jun 5, 5:33 AM CDT | Wind Advisory | HGX | 15 hr |
| Jun 5, 9:13 PM CDT | Wind Advisory | HGX | 7 hr |
| Jun 10, 1:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 10, 1:38 PM CDT | Severe Thunderstorm Warning | HGX | 52 min |
| Jun 10, 2:07 PM CDT | Areal Flood Advisory | HGX | 113 min |
| Jun 17, 8:08 PM CDT | Severe Thunderstorm Warning | HGX | 26 min |
| Jun 18, 8:52 PM CDT | Severe Thunderstorm Warning | HGX | 23 min |
| Jun 19, 4:10 PM CDT | Severe Thunderstorm Warning | HGX | 53 min |
| Jun 19, 4:30 PM CDT | Severe Thunderstorm Warning | HGX | 31 min |
| Jun 19, 4:55 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Jun 20, 3:00 PM CDT | Severe Thunderstorm Warning | HGX | 19 min |
| Jun 21, 5:13 PM CDT | Severe Thunderstorm Warning | HGX | 47 min |
| Jun 21, 5:57 PM CDT | Severe Thunderstorm Warning | HGX | 48 min |
| Jun 21, 6:10 PM CDT | Severe Thunderstorm Warning | HGX | 50 min |
| Jun 21, 6:34 PM CDT | Severe Thunderstorm Warning | HGX | 41 min |
| Jun 21, 6:42 PM CDT | Tornado Warning | HGX | 31 min |
| Jun 21, 6:44 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Jun 21, 6:48 PM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| Jun 21, 7:25 PM CDT | Severe Thunderstorm Warning | HGX | 50 min |
| Jun 30, 2:27 PM CDT | Severe Thunderstorm Warning | HGX | 33 min |
| Jun 30, 3:11 PM CDT | Severe Thunderstorm Warning | HGX | 34 min |
| Jul 1, 3:28 PM CDT | Severe Thunderstorm Warning | HGX | 47 min |
| Jul 1, 4:23 PM CDT | Areal Flood Advisory | HGX | 62 min |
| Jul 21, 10:00 AM CDT | Tropical Storm Watch | NHC | 12 hr |
| Jul 21, 11:49 AM CDT | Tropical Storm Watch | HGX | 11 hr |
| Jul 21, 10:00 PM CDT | Tropical Storm Warning | NHC | 66 hr |
| Jul 21, 10:46 PM CDT | Tropical Storm Warning | HGX | 36 hr |
| Jul 23, 9:39 AM CDT | Tornado Watch | SPC | 113 min |
| Jul 24, 6:24 AM CDT | Mesoscale Discussion | SPC | 96 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, 5:49 PM CDT | Tropical Storm Watch | HGX | 5 hr |
| Aug 3, 7:53 PM CDT | Severe Thunderstorm Warning | HGX | 37 min |
| 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 16, 10:10 AM CDT | Areal Flood Advisory | HGX | 110 min |
| Aug 20, 2:51 PM CDT | Areal Flood Advisory | HGX | 114 min |
| 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, 7:54 PM CDT | Tornado Watch | SPC | 14 hr |
| Sep 13, 3:04 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Sep 13, 5:05 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Sep 13, 7:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Sep 13, 11:28 AM CDT | Tropical Storm Warning | HGX | 5 hr |
| Sep 13, 4:34 PM CDT | Coastal Flood Statement | HGX | 46 hr |
| Sep 14, 8:36 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Sep 23, 3:16 PM CDT | Coastal Flood Advisory | HGX | 21 hr |
| Sep 24, 3:24 PM CDT | Coastal Flood Statement | HGX | 15 hr |
| Oct 7, 7:47 AM CDT | Mesoscale Discussion | SPC | 88 min |
| Oct 22, 7:37 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Oct 22, 9:13 PM CDT | Wind Advisory | HGX | 7 hr |
| Oct 26, 8:52 PM CDT | Wind Advisory | HGX | 15 hr |
| Oct 27, 6:44 AM CDT | Red Flag Warning | HGX | 11 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, 5:21 PM CST | Flood Watch | HGX | 16 hr |
| Nov 14, 7:42 AM CST | Fire Weather Watch | HGX | 20 hr |
| Nov 14, 5:58 PM CST | Wind Advisory | HGX | 21 hr |
| Nov 15, 3:53 AM CST | Red Flag Warning | HGX | 12 hr |
| Nov 27, 12:42 AM CST | Dense Fog Advisory | HGX | 8 hr |
| Nov 30, 10:13 PM CST | Red Flag Warning | HGX | 20 hr |
| 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 19, 8:35 PM CST | Dense Fog Advisory | HGX | 15 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 | 21 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 18 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 3 |
| Flash Flood Watch | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 9 |
| Winter | |
| Winter Weather Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 17 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 19 |
| Tropical | |
| Hurricane Warning | 2 |
| Tropical Storm Warning | 6 |
| Hurricane Watch | 4 |
| Tropical Storm Watch | 4 |
| Hurricane Local Statement | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 2 |
| Coastal Flood Statement | 2 |
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.