Alert archive / Texas / San Jacinto County
Weather alerts in San Jacinto County, Texas, 2013
115 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
San Jacinto County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 115
- Warnings
- 36
- Watches
- 16
- Advisories
- 27
- Busiest month
- May22 alerts
- Busiest day
- May 9, 20137 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 5 tornado warnings covering San Jacinto County in 2013 had a tornado report inside them; 1 of 1 tornado reports fell inside a warning, on average 17 minutes after it went out.
San Jacinto County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 1 | 100% | 17 min |
| Severe thunderstorm warnings | 21 | 12 | 43% | 4 | 50% | 16 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
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 7, 3:23 PM CST | Flash Flood Watch | HGX | 54 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 29, 10:25 PM CST | Severe Thunderstorm Warning | HGX | 50 min |
| 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 10, 6:20 AM CST | Mesoscale Discussion | SPC | 85 min |
| Feb 10, 6:58 AM CST | Tornado Watch | SPC | 7 hr |
| Feb 18, 5:29 AM CST | Wind Advisory | HGX | 11 hr |
| Feb 18, 1:31 PM CST | Tornado Warning | HGX | 29 min |
| Feb 18, 1:46 PM CST | Tornado Warning | HGX | 29 min |
| Feb 18, 2:05 PM CST | Tornado Warning | HGX | 25 min |
| Feb 18, 2:08 PM CST | Mesoscale Discussion | SPC | 67 min |
| Feb 18, 5:06 PM CST | Mesoscale Discussion | SPC | 84 min |
| Feb 21, 7:22 AM CST | Mesoscale Discussion | SPC | 83 min |
| Feb 21, 10:53 AM CST | Mesoscale Discussion | SPC | 97 min |
| Feb 21, 11:36 AM CST | Special Weather Statement | HGX | 39 min |
| Feb 21, 12:01 PM CST | Severe Thunderstorm Warning | HGX | 29 min |
| Feb 21, 12:32 PM CST | Special Weather Statement | HGX | 43 min |
| Feb 21, 1:11 PM CST | Tornado Warning | HGX | 49 min |
| 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, 3:08 PM CST | Red Flag Warning | HGX | 27 hr |
| Mar 5, 4:39 AM CST | Wind Advisory | HGX | 13 hr |
| Mar 10, 7:00 AM CDT | Special Weather Statement | HGX | 60 min |
| Mar 10, 7:31 AM CDT | Severe Thunderstorm Warning | HGX | 44 min |
| Mar 10, 7:37 AM CDT | Tornado Warning | HGX | 23 min |
| 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 25, 3:22 PM CDT | Freeze Warning | HGX | 17 hr |
| Mar 31, 12:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 31, 12:54 PM CDT | Severe Thunderstorm Warning | HGX | 51 min |
| Mar 31, 1:44 PM CDT | Severe Thunderstorm Warning | HGX | 46 min |
| Mar 31, 2:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Mar 31, 3:08 PM CDT | Severe Thunderstorm Warning | HGX | 37 min |
| Apr 2, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 2, 8:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Apr 27, 5:05 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 27, 6:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 27, 10:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 1, 9:56 PM CDT | Wind Advisory | HGX | 45 hr |
| May 4, 10:15 AM CDT | Red Flag Warning | HGX | 8 hr |
| May 9, 2:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 9, 3:34 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 9, 5:22 PM CDT | Severe Thunderstorm Warning | HGX | 38 min |
| May 9, 5:57 PM CDT | Severe Thunderstorm Warning | HGX | 48 min |
| May 9, 6:17 PM CDT | Severe Thunderstorm Warning | HGX | 43 min |
| May 9, 6:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 6:41 PM CDT | Special Weather Statement | HGX | 64 min |
| May 9, 7:04 PM CDT | Severe Thunderstorm Warning | HGX | 41 min |
| May 9, 7:36 PM CDT | Severe Thunderstorm Warning | HGX | 39 min |
| May 9, 9:21 PM CDT | Areal Flood Advisory | HGX | 114 min |
| May 9, 11:17 PM CDT | Areal Flood Advisory | HGX | 58 min |
| May 10, 4:18 AM CDT | Flash Flood Watch | HGX | 24 hr |
| May 10, 9:02 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 16, 1:26 AM CDT | Mesoscale Discussion | SPC | 94 min |
| May 21, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 21, 11:20 PM CDT | Mesoscale Discussion | SPC | 55 min |
| May 22, 12:27 AM CDT | Special Weather Statement | HGX | 63 min |
| May 22, 1:21 AM CDT | Special Weather Statement | HGX | 24 min |
| May 22, 3:35 AM CDT | Severe Thunderstorm Warning | HGX | 55 min |
| May 22, 3:49 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Jun 2, 5:29 AM CDT | Areal Flood Advisory | HGX | 2 hr |
| Jun 2, 5:50 AM CDT | Severe Thunderstorm Warning | HGX | 40 min |
| Jun 2, 6:29 AM CDT | Severe Thunderstorm Warning | HGX | 46 min |
| Jun 2, 6:56 AM CDT | Flash Flood Warning | HGX | 3 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, 4:13 PM CDT | Severe Thunderstorm Warning | HGX | 47 min |
| Jun 6, 4:41 PM CDT | Severe Thunderstorm Warning | HGX | 64 min |
| Jun 6, 4:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 5:09 PM CDT | Severe Thunderstorm Warning | HGX | 36 min |
| Jun 6, 5:34 PM CDT | Severe Thunderstorm Warning | HGX | 41 min |
| Jun 9, 2:17 PM CDT | Areal Flood Advisory | HGX | 118 min |
| Jun 18, 3:17 PM CDT | Special Weather Statement | HGX | 58 min |
| Jun 18, 4:19 PM CDT | Special Weather Statement | HGX | 41 min |
| Jul 16, 3:12 PM CDT | Special Weather Statement | HGX | 48 min |
| Aug 10, 2:30 PM CDT | Severe Thunderstorm Warning | HGX | 45 min |
| Aug 11, 4:10 PM CDT | Special Weather Statement | HGX | 50 min |
| Aug 14, 3:22 PM CDT | Severe Thunderstorm Warning | HGX | 38 min |
| Aug 16, 4:02 PM CDT | Special Weather Statement | HGX | 28 min |
| Sep 4, 5:48 PM CDT | Special Weather Statement | HGX | 27 min |
| Sep 4, 6:48 PM CDT | Areal Flood Advisory | HGX | 57 min |
| Sep 29, 9:33 AM CDT | Areal Flood Advisory | HGX | 3 hr |
| Oct 12, 11:38 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 12, 4:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Oct 12, 5:48 PM CDT | Areal Flood Advisory | HGX | 3 hr |
| Oct 12, 7:28 PM CDT | Areal Flood Advisory | HGX | 2 hr |
| Oct 30, 11:38 AM CDT | Special Weather Statement | HGX | 37 min |
| Oct 30, 12:17 PM CDT | Severe Thunderstorm Warning | HGX | 28 min |
| Oct 30, 2:39 PM CDT | Flash Flood Watch | HGX | 25 hr |
| Oct 31, 1:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Oct 31, 2:41 AM CDT | Areal Flood Advisory | HGX | 2 hr |
| Oct 31, 4:55 AM CDT | Flash Flood Warning | HGX | 3 hr |
| Oct 31, 10:32 PM CDT | Dense Fog Advisory | HGX | 10 hr |
| Nov 11, 3:21 PM CST | Freeze Watch | HGX | 24 hr |
| Nov 12, 3:21 PM CST | Freeze Warning | HGX | 17 hr |
| Nov 13, 3:44 PM CST | Freeze Warning | HGX | 16 hr |
| Nov 16, 8:02 AM CST | Dense Fog Advisory | HGX | 118 min |
| Nov 17, 5:54 PM CST | Dense Fog Advisory | HGX | 18 hr |
| Dec 14, 2:42 AM CST | Dense Fog Advisory | HGX | 7 hr |
| Dec 21, 2:31 AM CST | Mesoscale Discussion | SPC | 2 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, 10:35 AM CST | Special Weather Statement | HGX | 25 min |
| Dec 21, 12:30 PM CST | Mesoscale Discussion | SPC | 60 min |
| Dec 21, 12:49 PM CST | Special Weather Statement | HGX | 41 min |
| Dec 21, 8:21 PM CST | Dense Fog Advisory | HGX | 8 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 | 5 |
| Severe Thunderstorm Watch | 7 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 15 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 10 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fire | |
| Red Flag Warning | 5 |
| Fire Weather Watch | 3 |
| 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 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.