Alert archive / Texas / Comal County
Weather alerts in Comal County, Texas, 2019
130 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Comal County and its neighbors
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Alerts
- 130
- Warnings
- 27
- Watches
- 13
- Advisories
- 47
- Busiest month
- April27 alerts
- Busiest day
- April 7, 20198 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Comal County, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 21 | 17 | 19% | 20 | 70% | 16 min |
| Flash flood warnings | 2 | 2 | 0% | 2 | 100% | 43 min |
Each office's whole area, 2019
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Austin/San Antonio, TX: tornado warnings | 28 | 3 | 89% | 4 | 75% | 5 min |
| NWS Austin/San Antonio, TX: severe thunderstorm warnings | 231 | 96 | 58% | 209 | 89% | 24 min |
| NWS Austin/San Antonio, TX: flash flood warnings | 41 | 22 | 46% | 59 | 93% | 66 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, 3:17 AM CST | Dense Fog Advisory | EWX | 4 hr |
| Jan 2, 9:03 AM CST | Flash Flood Watch | EWX | 12 hr |
| Jan 2, 4:38 PM CST | Areal Flood Advisory | EWX | 6 hr |
| Jan 8, 2:57 AM CST | Dense Fog Advisory | EWX | 9 hr |
| Jan 11, 11:31 PM CST | Dense Fog Advisory | EWX | 5 hr |
| Jan 19, 3:33 AM CST | Wind Advisory | EWX | 13 hr |
| Feb 2, 6:27 AM CST | Dense Fog Advisory | EWX | 4 hr |
| Feb 2, 10:04 AM CST | Dense Fog Advisory | EWX | 56 min |
| Feb 2, 9:05 PM CST | Dense Fog Advisory | EWX | 13 hr |
| Feb 4, 1:10 AM CST | Dense Fog Advisory | EWX | 9 hr |
| Feb 4, 9:59 PM CST | Dense Fog Advisory | EWX | 12 hr |
| Feb 22, 8:10 AM CST | Dense Fog Advisory | EWX | 4 hr |
| Feb 22, 10:52 PM CST | Dense Fog Advisory | EWX | 10 hr |
| Feb 27, 2:11 AM CST | Dense Fog Advisory | EWX | 8 hr |
| Mar 2, 3:50 AM CST | Dense Fog Advisory | EWX | 6 hr |
| Mar 3, 4:01 PM CST | Freeze Warning | EWX | 23 hr |
| Mar 4, 2:58 PM CST | Freeze Warning | EWX | 20 hr |
| Mar 5, 2:51 PM CST | Freeze Warning | EWX | 18 hr |
| Mar 12, 5:16 AM CDT | Dense Fog Advisory | EWX | 6 hr |
| Mar 12, 11:57 PM CDT | Wind Advisory | EWX | 8 hr |
| Apr 6, 9:08 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 6, 10:35 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 6, 1:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 6, 3:03 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Apr 6, 7:50 PM CDT | Special Weather Statement | EWX | 40 min |
| Apr 6, 8:19 PM CDT | Severe Thunderstorm Warning | EWX | 41 min |
| Apr 6, 8:54 PM CDT | Severe Thunderstorm Warning | EWX | 66 min |
| Apr 6, 8:59 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| Apr 7, 6:09 AM CDT | Special Weather Statement | EWX | 66 min |
| Apr 7, 6:38 AM CDT | Severe Thunderstorm Warning | EWX | 67 min |
| Apr 7, 6:41 AM CDT | Mesoscale Discussion | SPC | 94 min |
| Apr 7, 6:46 AM CDT | Special Weather Statement | EWX | 59 min |
| Apr 13, 3:24 AM CDT | Wind Advisory | EWX | 22 hr |
| Apr 13, 7:11 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 13, 8:38 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 13, 9:37 AM CDT | Severe Thunderstorm Warning | EWX | 53 min |
| Apr 13, 9:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 13, 10:09 AM CDT | Special Weather Statement | EWX | 66 min |
| Apr 13, 10:29 AM CDT | Severe Thunderstorm Warning | EWX | 29 min |
| Apr 17, 7:18 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 17, 11:30 PM CDT | Special Weather Statement | EWX | 60 min |
| Apr 17, 11:52 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 17, 11:53 PM CDT | Severe Thunderstorm Warning | EWX | 41 min |
| Apr 24, 10:11 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 24, 11:51 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 24, 12:11 PM CDT | Special Weather Statement | EWX | 49 min |
| Apr 24, 2:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| May 2, 4:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 3, 4:23 PM CDT | Mesoscale Discussion | SPC | 67 min |
| May 3, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 3, 6:48 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 3, 7:51 PM CDT | Special Weather Statement | EWX | 69 min |
| May 3, 8:18 PM CDT | Severe Thunderstorm Warning | EWX | 57 min |
| May 3, 8:36 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| May 8, 6:29 AM CDT | Mesoscale Discussion | SPC | 61 min |
| May 8, 6:54 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 8, 7:19 AM CDT | Special Weather Statement | EWX | 41 min |
| May 8, 10:11 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 8, 11:01 AM CDT | Special Weather Statement | EWX | 59 min |
| May 8, 12:16 PM CDT | Flash Flood Warning | EWX | 6 hr |
| May 9, 4:30 AM CDT | Flash Flood Watch | EWX | 58 hr |
| May 9, 1:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 9, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | 11 hr |
| May 9, 3:52 PM CDT | Special Weather Statement | EWX | 53 min |
| May 9, 3:56 PM CDT | Severe Thunderstorm Warning | EWX | 64 min |
| May 9, 4:25 PM CDT | Flash Flood Warning | EWX | 3 hr |
| May 9, 4:35 PM CDT | Severe Thunderstorm Warning | EWX | 33 min |
| May 18, 1:16 PM CDT | Tornado Watch | SPC | 9 hr |
| May 20, 2:51 AM CDT | Wind Advisory | EWX | 22 hr |
| May 30, 2:21 AM CDT | Special Weather Statement | EWX | 39 min |
| May 30, 2:28 AM CDT | Severe Thunderstorm Warning | EWX | 34 min |
| Jun 6, 1:57 AM CDT | Special Weather Statement | EWX | 48 min |
| Jun 6, 1:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 2:29 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 6, 3:45 PM CDT | Special Weather Statement | EWX | 45 min |
| Jun 6, 3:51 PM CDT | Severe Thunderstorm Warning | EWX | 54 min |
| Jun 6, 4:45 PM CDT | Special Weather Statement | EWX | 45 min |
| Jun 6, 5:25 PM CDT | Areal Flood Advisory | EWX | 2 hr |
| Jun 9, 4:01 AM CDT | Heat Advisory | EWX | 16 hr |
| Jun 9, 2:46 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 9, 5:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jun 9, 7:35 PM CDT | Severe Thunderstorm Warning | EWX | 25 min |
| Jun 9, 7:46 PM CDT | Severe Thunderstorm Warning | EWX | 44 min |
| Jun 9, 8:17 PM CDT | Severe Thunderstorm Warning | EWX | 58 min |
| Jun 9, 8:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jun 9, 8:28 PM CDT | Severe Thunderstorm Warning | EWX | 47 min |
| Jun 16, 8:02 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 11:28 PM CDT | Severe Thunderstorm Warning | EWX | 62 min |
| Jun 17, 12:27 AM CDT | Severe Thunderstorm Warning | EWX | 63 min |
| Jun 19, 4:02 AM CDT | Heat Advisory | EWX | 15 hr |
| Jun 20, 2:47 AM CDT | Heat Advisory | EWX | 16 hr |
| Jun 20, 7:55 PM CDT | Heat Advisory | EWX | 23 hr |
| Jun 22, 1:58 AM CDT | Special Weather Statement | EWX | 47 min |
| Jun 24, 2:19 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| Jun 24, 2:44 PM CDT | Special Weather Statement | EWX | 61 min |
| Jun 30, 2:48 AM CDT | Areal Flood Advisory | EWX | 3 hr |
| Jul 10, 10:16 PM CDT | Special Weather Statement | EWX | 44 min |
| Jul 10, 11:00 PM CDT | Special Weather Statement | EWX | 60 min |
| Aug 7, 3:40 AM CDT | Heat Advisory | EWX | 15 hr |
| Aug 8, 2:32 AM CDT | Heat Advisory | EWX | 16 hr |
| Aug 9, 3:07 AM CDT | Heat Advisory | EWX | 17 hr |
| Aug 10, 3:39 AM CDT | Heat Advisory | EWX | 15 hr |
| Aug 11, 3:11 AM CDT | Heat Advisory | EWX | 17 hr |
| Aug 12, 2:26 AM CDT | Heat Advisory | EWX | 41 hr |
| Aug 14, 3:09 AM CDT | Heat Advisory | EWX | 16 hr |
| Aug 25, 2:38 PM CDT | Heat Advisory | EWX | 29 hr |
| Aug 26, 7:59 PM CDT | Heat Advisory | EWX | 23 hr |
| Sep 11, 2:57 PM CDT | Special Weather Statement | EWX | 48 min |
| Sep 11, 3:26 PM CDT | Special Weather Statement | EWX | 34 min |
| Sep 12, 6:16 PM CDT | Special Weather Statement | EWX | 29 min |
| Sep 12, 6:38 PM CDT | Special Weather Statement | EWX | 37 min |
| Sep 19, 8:37 PM CDT | Severe Thunderstorm Warning | EWX | 53 min |
| Oct 11, 4:02 AM CDT | Wind Advisory | EWX | 14 hr |
| Oct 15, 5:49 PM CDT | Severe Thunderstorm Warning | EWX | 56 min |
| Oct 15, 6:30 PM CDT | Severe Thunderstorm Warning | EWX | 22 min |
| Oct 20, 8:34 PM CDT | Special Weather Statement | EWX | 41 min |
| Oct 20, 8:47 PM CDT | Severe Thunderstorm Warning | EWX | 43 min |
| Oct 24, 10:51 AM CDT | Wind Advisory | EWX | 29 hr |
| Oct 24, 2:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Oct 24, 6:50 PM CDT | Special Weather Statement | EWX | 40 min |
| Oct 24, 7:13 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| Oct 24, 10:13 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| Oct 31, 1:23 PM CDT | Freeze Warning | EWX | 21 hr |
| Nov 10, 2:05 PM CST | Wind Advisory | EWX | 40 hr |
| Nov 29, 5:45 PM CST | Dense Fog Advisory | EWX | 10 hr |
| Dec 5, 2:52 AM CST | Dense Fog Advisory | EWX | 7 hr |
| Dec 9, 5:00 AM CST | Dense Fog Advisory | EWX | 5 hr |
| Dec 15, 7:57 AM CST | Dense Fog Advisory | EWX | 2 hr |
| Dec 25, 2:27 AM CST | Dense Fog Advisory | EWX | 8 hr |
| Dec 25, 2:10 PM CST | Dense Fog Advisory | EWX | 20 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 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 19 |
| Special Weather Statement | 24 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 2 |
| Areal Flood Advisory | 8 |
| Heat | |
| Heat Advisory | 13 |
| Cold | |
| Freeze Warning | 4 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 19 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20182020
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.