Alert archive / Texas / Galveston County
Weather alerts in Galveston County, Texas, 2013
106 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Galveston County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 106
- Warnings
- 28
- Watches
- 11
- Advisories
- 45
- Busiest month
- January18 alerts
- Busiest day
- April 3, 20138 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 Galveston County in 2013 had a tornado report inside them.
Galveston County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 15 | 5 | 67% | 7 | 86% | 27 min |
| Flash flood warnings | 3 | 1 | 67% | 8 | 25% | 88 min |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Houston/Galveston, TX: tornado warnings | 11 | 1 | 91% | 2 | 50% | 17 min |
| NWS Houston/Galveston, TX: severe thunderstorm warnings | 135 | 52 | 61% | 110 | 79% | 20 min |
| NWS Houston/Galveston, TX: flash flood warnings | 22 | 5 | 77% | 27 | 26% | 81 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, 3:35 AM CST | Areal Flood Advisory | HGX | 115 min |
| Jan 1, 5:18 AM CST | Flash Flood Warning | HGX | 117 min |
| Jan 1, 9:36 AM CST | Areal Flood Advisory | HGX | 114 min |
| Jan 7, 3:23 PM CST | Flash Flood Watch | HGX | 54 hr |
| Jan 8, 7:02 AM CST | Mesoscale Discussion | SPC | 88 min |
| Jan 8, 7:45 AM CST | Special Weather Statement | HGX | 45 min |
| Jan 9, 1:03 PM CST | Special Weather Statement | HGX | 57 min |
| Jan 9, 1:07 PM CST | Special Weather Statement | HGX | 53 min |
| Jan 9, 1:15 PM CST | Areal Flood Advisory | HGX | 3 hr |
| Jan 9, 1:34 PM CST | Flash Flood Warning | HGX | 86 min |
| Jan 11, 9:17 PM CST | Dense Fog Advisory | HGX | 12 hr |
| Jan 19, 11:12 PM CST | Dense Fog Advisory | HGX | 10 hr |
| Jan 20, 11:51 PM CST | Dense Fog Advisory | HGX | 10 hr |
| Jan 22, 10:56 PM CST | Dense Fog Advisory | HGX | 11 hr |
| Jan 26, 3:27 PM CST | Dense Fog Advisory | HGX | 6 hr |
| Jan 26, 9:38 PM CST | Dense Fog Advisory | HGX | 5 hr |
| Jan 30, 4:23 AM CST | Wind Advisory | HGX | 12 hr |
| Jan 30, 7:33 AM CST | Red Flag Warning | HGX | 10 hr |
| Feb 5, 12:54 AM CST | Dense Fog Advisory | HGX | 8 hr |
| Feb 5, 2:47 PM CST | Dense Fog Advisory | HGX | 18 hr |
| Feb 18, 5:29 AM CST | Wind Advisory | HGX | 11 hr |
| Feb 24, 6:16 AM CST | Fire Weather Watch | HGX | 9 hr |
| Feb 24, 3:13 PM CST | Red Flag Warning | HGX | 30 hr |
| Feb 24, 3:14 PM CST | Wind Advisory | HGX | 42 hr |
| Mar 4, 2:58 AM CST | Fire Weather Watch | HGX | 12 hr |
| Mar 4, 3:31 AM CST | Wind Advisory | HGX | 14 hr |
| Mar 4, 3:08 PM CST | Red Flag Warning | HGX | 27 hr |
| Mar 5, 4:39 AM CST | Wind Advisory | HGX | 13 hr |
| Mar 10, 9:43 AM CDT | Special Weather Statement | HGX | 77 min |
| Mar 11, 4:38 AM CDT | Red Flag Warning | HGX | 13 hr |
| Mar 23, 5:28 AM CDT | Fire Weather Watch | HGX | 9 hr |
| Mar 23, 2:49 PM CDT | Wind Advisory | HGX | 25 hr |
| Mar 23, 2:57 PM CDT | Red Flag Warning | HGX | 28 hr |
| Mar 23, 10:25 PM CDT | Dense Fog Advisory | HGX | 6 hr |
| Mar 31, 2:48 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 31, 5:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Mar 31, 5:31 PM CDT | Special Weather Statement | HGX | 44 min |
| Mar 31, 6:14 PM CDT | Special Weather Statement | HGX | 46 min |
| Apr 2, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 2, 10:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 2, 10:11 PM CDT | Severe Thunderstorm Warning | HGX | 49 min |
| Apr 2, 10:39 PM CDT | Areal Flood Advisory | HGX | 111 min |
| Apr 2, 10:56 PM CDT | Severe Thunderstorm Warning | HGX | 49 min |
| Apr 2, 11:30 PM CDT | Severe Thunderstorm Warning | HGX | 45 min |
| Apr 2, 11:31 PM CDT | Severe Thunderstorm Warning | HGX | 44 min |
| Apr 2, 11:38 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Apr 3, 1:36 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 10, 5:05 AM CDT | Rip Current Statement | HGX | 14 hr |
| Apr 11, 5:55 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Apr 18, 2:56 PM CDT | Wind Advisory | HGX | 18 hr |
| Apr 27, 5:05 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 1, 9:56 PM CDT | Wind Advisory | HGX | 45 hr |
| May 3, 2:14 PM CDT | Red Flag Warning | HGX | 5 hr |
| May 10, 9:02 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 10, 11:05 AM CDT | Tornado Warning | HGX | 25 min |
| May 10, 11:07 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| May 10, 11:25 AM CDT | Severe Thunderstorm Warning | HGX | 50 min |
| May 10, 11:43 PM CDT | Severe Thunderstorm Warning | HGX | 32 min |
| Jun 1, 9:43 AM CDT | Rip Current Statement | HGX | 9 hr |
| Jun 6, 12:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jun 6, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 6, 4:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 6:34 PM CDT | Severe Thunderstorm Warning | HGX | 41 min |
| Jun 6, 7:45 PM CDT | Severe Thunderstorm Warning | HGX | 30 min |
| Jun 6, 8:00 PM CDT | Severe Thunderstorm Warning | HGX | 30 min |
| Jun 6, 8:06 PM CDT | Severe Thunderstorm Warning | HGX | 24 min |
| Jun 6, 8:33 PM CDT | Severe Thunderstorm Warning | HGX | 42 min |
| Jun 8, 2:13 PM CDT | Special Weather Statement | HGX | 47 min |
| Jul 14, 12:20 PM CDT | Special Weather Statement | HGX | 25 min |
| Jul 27, 4:29 PM CDT | Special Weather Statement | HGX | 46 min |
| Jul 27, 4:55 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 4, 4:00 PM CDT | Heat Advisory | HGX | 5 days |
| Aug 16, 6:13 PM CDT | Severe Thunderstorm Warning | HGX | 32 min |
| Aug 16, 6:15 PM CDT | Areal Flood Advisory | HGX | 60 min |
| Aug 16, 6:43 PM CDT | Severe Thunderstorm Warning | HGX | 32 min |
| Sep 16, 12:57 PM CDT | Rip Current Statement | HGX | 7 hr |
| Oct 1, 11:26 AM CDT | Areal Flood Advisory | HGX | 109 min |
| Oct 1, 2:51 PM CDT | Areal Flood Advisory | HGX | 54 min |
| Oct 2, 1:04 PM CDT | Areal Flood Advisory | HGX | 56 min |
| Oct 4, 6:07 PM CDT | Coastal Flood Statement | HGX | 31 hr |
| Oct 12, 2:04 PM CDT | Areal Flood Advisory | HGX | 116 min |
| Oct 12, 2:57 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Oct 27, 6:28 AM CDT | Severe Thunderstorm Warning | HGX | 62 min |
| Oct 27, 7:01 AM CDT | Severe Thunderstorm Warning | HGX | 59 min |
| Oct 30, 2:39 PM CDT | Flash Flood Watch | HGX | 25 hr |
| Oct 31, 8:02 AM CDT | Areal Flood Advisory | HGX | 118 min |
| Oct 31, 10:15 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Oct 31, 10:35 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Oct 31, 11:02 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Oct 31, 12:06 PM CDT | River Flood Warning | HGX | 22 hr |
| Oct 31, 12:45 PM CDT | River Flood Warning | HGX | 22 hr |
| Oct 31, 10:32 PM CDT | Dense Fog Advisory | HGX | 10 hr |
| Nov 12, 5:08 AM CST | Wind Advisory | HGX | 22 hr |
| Nov 17, 5:54 PM CST | Dense Fog Advisory | HGX | 18 hr |
| Nov 23, 1:31 PM CST | Wind Advisory | HGX | 19 hr |
| Nov 26, 4:25 AM CST | Wind Advisory | HGX | 8 hr |
| Nov 27, 3:50 PM CST | Freeze Warning | HGX | 16 hr |
| Dec 4, 7:57 AM CST | Dense Fog Advisory | HGX | 2 hr |
| Dec 5, 9:31 PM CST | Wind Advisory | HGX | 6 hr |
| Dec 9, 3:41 PM CST | Wind Advisory | HGX | 17 hr |
| Dec 14, 2:42 AM CST | Dense Fog Advisory | HGX | 7 hr |
| Dec 14, 2:26 PM CST | Wind Advisory | HGX | 10 hr |
| Dec 18, 1:55 AM CST | Dense Fog Advisory | HGX | 7 hr |
| Dec 21, 7:57 AM CST | Mesoscale Discussion | SPC | 63 min |
| Dec 21, 9:46 AM CST | Tornado Watch | SPC | 8 hr |
| Dec 21, 12:30 PM CST | Mesoscale Discussion | SPC | 60 min |
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 | 15 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 9 |
| Special Weather Statement | 9 |
| Flooding | |
| Flash Flood Warning | 3 |
| River Flood Warning | 2 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 16 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| Wind Advisory | 14 |
| Fire | |
| Red Flag Warning | 6 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 14 |
| Coast and beach | |
| Coastal Flood Statement | 1 |
| Rip Current Statement | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.