Alert archive / Texas / Williamson County
Weather alerts in Williamson County, Texas, 2020
112 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Williamson County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 112
- Warnings
- 20
- Watches
- 12
- Advisories
- 36
- Busiest month
- April29 alerts
- Busiest day
- May 16, 20208 alerts
Over time
By month
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 10, 2:52 PM CST | Mesoscale Discussion | SPC | 113 min |
| Jan 10, 3:30 PM CST | Severe Thunderstorm Watch | SPC | 68 days |
| Jan 10, 6:30 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 10, 8:08 PM CST | Special Weather Statement | EWX | 52 min |
| Jan 10, 8:13 PM CST | Areal Flood Advisory | EWX | 4 hr |
| Jan 13, 4:33 AM CST | Dense Fog Advisory | EWX | 6 hr |
| Jan 13, 7:32 PM CST | Dense Fog Advisory | EWX | 14 hr |
| Jan 15, 4:07 AM CST | Dense Fog Advisory | EWX | 3 hr |
| Jan 22, 9:01 PM CST | Dense Fog Advisory | EWX | 10 hr |
| Jan 26, 12:42 AM CST | Dense Fog Advisory | EWX | 8 hr |
| Feb 17, 2:23 AM CST | Dense Fog Advisory | EWX | 8 hr |
| Mar 3, 9:05 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 2:28 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 4, 4:20 AM CST | Mesoscale Discussion | SPC | 115 min |
| Mar 4, 6:15 AM CST | Special Weather Statement | EWX | 45 min |
| Mar 4, 7:01 AM CST | Special Weather Statement | EWX | 44 min |
| Mar 10, 5:28 AM CDT | Dense Fog Advisory | EWX | 5 hr |
| Mar 23, 8:16 AM CDT | Dense Fog Advisory | EWX | 104 min |
| Mar 28, 7:40 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 30, 11:11 PM CDT | Dense Fog Advisory | EWX | 7 hr |
| Apr 3, 11:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 9, 12:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 2:23 PM CDT | Severe Thunderstorm Warning | EWX | 52 min |
| Apr 9, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 9, 2:54 PM CDT | Severe Thunderstorm Warning | EWX | 36 min |
| Apr 9, 2:59 PM CDT | Special Weather Statement | EWX | 61 min |
| Apr 9, 3:28 PM CDT | Severe Thunderstorm Warning | EWX | 62 min |
| Apr 11, 5:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Apr 12, 1:37 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 12, 1:59 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 12, 2:23 AM CDT | Wind Advisory | EWX | 17 hr |
| Apr 12, 4:15 AM CDT | Mesoscale Discussion | SPC | 90 min |
| Apr 12, 5:40 AM CDT | Tornado Warning | EWX | 35 min |
| Apr 12, 6:10 AM CDT | Special Weather Statement | EWX | 50 min |
| Apr 12, 6:28 AM CDT | Special Weather Statement | EWX | 47 min |
| Apr 19, 1:06 AM CDT | Dense Fog Advisory | EWX | 8 hr |
| Apr 19, 7:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 19, 9:07 AM CDT | Dense Fog Advisory | EWX | 113 min |
| Apr 22, 10:26 AM CDT | Severe Thunderstorm Warning | EWX | 49 min |
| Apr 22, 10:38 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 22, 10:55 AM CDT | Tornado Watch | SPC | 6 hr |
| Apr 22, 1:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 23, 1:07 AM CDT | Dense Fog Advisory | EWX | 5 hr |
| Apr 29, 1:54 AM CDT | Severe Thunderstorm Warning | EWX | 66 min |
| Apr 29, 1:56 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 2:40 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 29, 3:54 AM CDT | Severe Thunderstorm Warning | EWX | 66 min |
| Apr 29, 4:35 AM CDT | Severe Thunderstorm Warning | EWX | 55 min |
| Apr 29, 5:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| May 8, 3:33 AM CDT | Wind Advisory | EWX | 15 hr |
| May 12, 10:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 10:48 AM CDT | Tornado Watch | SPC | 6 hr |
| May 12, 2:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 15, 8:56 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 15, 9:14 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 15, 10:31 PM CDT | Severe Thunderstorm Warning | EWX | 59 min |
| May 15, 11:28 PM CDT | Special Weather Statement | EWX | 47 min |
| May 15, 11:34 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| May 15, 11:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 12:08 AM CDT | Special Weather Statement | EWX | 52 min |
| May 16, 12:45 AM CDT | Special Weather Statement | EWX | 30 min |
| May 24, 2:13 PM CDT | Special Weather Statement | EWX | 47 min |
| May 24, 3:32 PM CDT | Special Weather Statement | EWX | 43 min |
| May 24, 6:23 PM CDT | Severe Thunderstorm Warning | EWX | 67 min |
| May 24, 6:54 PM CDT | Severe Thunderstorm Warning | EWX | 66 min |
| May 24, 7:05 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| 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, 1:57 PM CDT | Special Weather Statement | EWX | 48 min |
| May 27, 4:59 PM CDT | Special Weather Statement | EWX | 31 min |
| May 27, 5:23 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 27, 6:44 PM CDT | Severe Thunderstorm Warning | EWX | 24 min |
| May 27, 11:38 PM CDT | Severe Thunderstorm Warning | EWX | 56 min |
| May 28, 12:36 AM CDT | Special Weather Statement | EWX | 39 min |
| May 28, 6:29 PM CDT | Special Weather Statement | EWX | 61 min |
| Jun 8, 2:26 PM CDT | Heat Advisory | EWX | 29 hr |
| Jun 23, 7:42 AM CDT | Areal Flood Advisory | EWX | 3 hr |
| Jul 10, 2:12 PM CDT | Heat Advisory | EWX | 30 hr |
| Jul 11, 2:14 PM CDT | Excessive Heat Warning | EWX | 54 hr |
| Jul 13, 3:09 PM CDT | Heat Advisory | EWX | 29 hr |
| Jul 25, 6:14 PM CDT | Special Weather Statement | EWX | 46 min |
| Jul 26, 3:00 PM CDT | Special Weather Statement | EWX | 45 min |
| Jul 26, 3:18 PM CDT | Severe Thunderstorm Warning | EWX | 33 min |
| Jul 31, 2:50 PM CDT | Special Weather Statement | EWX | 25 min |
| Jul 31, 3:20 PM CDT | Severe Thunderstorm Warning | EWX | 19 min |
| Aug 12, 3:22 AM CDT | Heat Advisory | EWX | 16 hr |
| Aug 13, 4:05 AM CDT | Heat Advisory | EWX | 4 days |
| Aug 14, 1:40 PM CDT | Excessive Heat Warning | EWX | 29 hr |
| Aug 22, 3:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 22, 5:20 AM CDT | Special Weather Statement | EWX | 40 min |
| Aug 22, 6:01 AM CDT | Special Weather Statement | EWX | 44 min |
| Aug 28, 4:03 AM CDT | Heat Advisory | EWX | 16 hr |
| Aug 28, 2:46 PM CDT | Heat Advisory | EWX | 29 hr |
| Aug 30, 3:13 AM CDT | Heat Advisory | EWX | 65 hr |
| Sep 4, 8:37 AM CDT | Areal Flood Advisory | EWX | 3 hr |
| Sep 5, 5:00 PM CDT | Special Weather Statement | FWD | 30 min |
| Sep 5, 5:10 PM CDT | Special Weather Statement | EWX | 50 min |
| Sep 9, 3:53 AM CDT | Flash Flood Watch | EWX | 33 hr |
| Sep 9, 7:15 AM CDT | Areal Flood Advisory | EWX | 3 hr |
| Sep 9, 7:45 AM CDT | Flash Flood Warning | EWX | 4 hr |
| Sep 9, 1:14 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| Sep 9, 2:23 PM CDT | Flash Flood Warning | EWX | 3 hr |
| Sep 17, 2:39 PM CDT | Special Weather Statement | EWX | 51 min |
| Sep 26, 7:47 AM CDT | Dense Fog Advisory | EWX | 2 hr |
| Sep 27, 12:27 PM CDT | Wind Advisory | EWX | 25 hr |
| Nov 20, 3:33 AM CST | Dense Fog Advisory | EWX | 6 hr |
| Nov 30, 1:59 PM CST | Freeze Warning | EWX | 19 hr |
| Dec 11, 8:46 PM CST | Dense Fog Advisory | EWX | 10 hr |
| Dec 12, 7:34 PM CST | Wind Advisory | EWX | 28 hr |
| Dec 13, 9:07 AM CST | Dense Fog Advisory | EWX | 113 min |
| Dec 22, 7:28 AM CST | Dense Fog Advisory | EWX | 3 hr |
| Dec 23, 11:33 AM CST | Wind Advisory | EWX | 18 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 | 14 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 23 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| Heat | |
| Excessive Heat Warning | 2 |
| Heat Advisory | 8 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 17 |
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. Rebuilt daily.