Alert archive / Texas / Navarro County
Weather alerts in Navarro County, Texas, 2021
129 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Navarro County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 129
- Warnings
- 35
- Watches
- 20
- Advisories
- 33
- Busiest month
- May30 alerts
- Busiest day
- May 4, 20217 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Navarro County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 15 | 9 | 40% | 2 | 100% | 22 min |
| Flash flood warnings | 2 | 0 | 100% | 0 |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Fort Worth, TX: tornado warnings | 22 | 11 | 50% | 17 | 71% | 20 min |
| NWS Fort Worth, TX: severe thunderstorm warnings | 274 | 140 | 49% | 396 | 90% | 27 min |
| NWS Fort Worth, TX: flash flood warnings | 23 | 9 | 61% | 16 | 88% | 68 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, 11:43 AM CST | River Flood Warning | FWD | 3 days |
| Jan 8, 2:32 PM CST | Winter Storm Watch | FWD | 37 hr |
| Jan 9, 1:30 PM CST | Winter Storm Warning | FWD | 41 hr |
| Jan 11, 9:22 PM CST | Freezing Fog Advisory | FWD | 12 hr |
| Jan 14, 5:57 PM CST | Wind Advisory | FWD | 24 hr |
| Jan 21, 10:53 PM CST | Dense Fog Advisory | FWD | 10 hr |
| Jan 23, 5:31 PM CST | Dense Fog Advisory | FWD | 18 hr |
| Jan 25, 6:20 AM CST | Severe Thunderstorm Warning | FWD | 40 min |
| Jan 25, 6:56 AM CST | Severe Thunderstorm Warning | FWD | 53 min |
| Jan 29, 2:12 PM CST | Wind Advisory | FWD | 28 hr |
| Feb 9, 3:31 PM CST | Winter Weather Advisory | FWD | 62 hr |
| Feb 11, 3:51 PM CST | Winter Storm Watch | FWD | 23 hr |
| Feb 12, 2:49 PM CST | Winter Storm Warning | FWD | 66 hr |
| Feb 14, 5:49 PM CST | Wind Chill Warning | FWD | 42 hr |
| Feb 14, 5:54 PM CST | Hard Freeze Warning | FWD | 42 hr |
| Feb 15, 1:08 AM CST | Mesoscale Discussion | SPC | 6 hr |
| Feb 15, 2:31 PM CST | Winter Storm Warning | FWD | 53 hr |
| Feb 18, 10:37 AM CST | Hard Freeze Warning | FWD | 22 hr |
| Feb 27, 5:52 AM CST | Dense Fog Advisory | FWD | 6 hr |
| Mar 15, 4:03 AM CDT | Dense Fog Advisory | FWD | 5 hr |
| Mar 16, 2:56 PM CDT | Wind Advisory | FWD | 28 hr |
| Mar 17, 4:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Mar 17, 4:37 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 17, 4:57 AM CDT | Severe Thunderstorm Warning | FWD | 48 min |
| Mar 22, 6:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 22, 8:25 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 22, 10:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Mar 22, 10:24 PM CDT | Severe Thunderstorm Warning | FWD | 51 min |
| Mar 22, 11:05 PM CDT | Severe Thunderstorm Warning | FWD | 70 min |
| Mar 24, 3:22 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 24, 4:38 PM CDT | Tornado Watch | SPC | 5 hr |
| Mar 24, 6:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Mar 24, 9:52 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 25, 1:40 AM CDT | Mesoscale Discussion | SPC | 95 min |
| Mar 30, 6:47 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 6, 3:40 AM CDT | Wind Advisory | FWD | 20 hr |
| Apr 8, 7:14 PM CDT | Special Weather Statement | FWD | 31 min |
| Apr 8, 9:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 9, 4:27 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Apr 9, 7:27 PM CDT | Severe Thunderstorm Warning | FWD | 63 min |
| Apr 9, 8:08 PM CDT | Severe Thunderstorm Warning | FWD | 82 min |
| Apr 9, 8:21 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 20, 12:52 AM CDT | Frost Advisory | FWD | 32 hr |
| Apr 23, 11:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Apr 23, 12:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 28, 11:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 29, 1:09 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 1:35 AM CDT | River Flood Warning | FWD | 3 days |
| Apr 29, 2:01 AM CDT | Tornado Watch | SPC | 6 hr |
| May 1, 3:07 AM CDT | River Flood Warning | FWD | 65 hr |
| May 3, 3:48 PM CDT | Tornado Watch | SPC | 7 hr |
| May 3, 9:29 PM CDT | Severe Thunderstorm Warning | FWD | 31 min |
| May 3, 9:49 PM CDT | Severe Thunderstorm Warning | FWD | 71 min |
| May 3, 9:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| May 3, 10:22 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 3, 11:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 4, 12:18 AM CDT | Severe Thunderstorm Warning | FWD | 57 min |
| May 4, 8:08 AM CDT | River Flood Warning | FWD | 52 hr |
| May 8, 1:24 AM CDT | Wind Advisory | FWD | 27 hr |
| May 9, 12:14 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 9, 1:41 PM CDT | Mesoscale Discussion | SPC | 94 min |
| May 9, 3:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 9, 4:32 PM CDT | Severe Thunderstorm Warning | FWD | 28 min |
| May 9, 4:58 PM CDT | Severe Thunderstorm Warning | FWD | 62 min |
| May 9, 8:06 PM CDT | Mesoscale Discussion | SPC | 114 min |
| May 11, 3:20 AM CDT | Flash Flood Watch | FWD | 15 hr |
| May 11, 10:13 AM CDT | Mesoscale Discussion | SPC | 62 min |
| May 11, 1:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 1:06 AM CDT | River Flood Warning | FWD | 21 days |
| May 16, 3:34 AM CDT | Flash Flood Watch | FWD | 4 days |
| May 16, 12:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 2:40 PM CDT | River Flood Warning | FWD | 3 days |
| May 17, 3:27 PM CDT | River Flood Warning | FWD | 3 days |
| May 25, 11:41 AM CDT | Special Weather Statement | FWD | 34 min |
| May 25, 12:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 27, 1:48 PM CDT | River Flood Warning | FWD | 11 days |
| May 31, 2:54 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 31, 5:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| May 31, 6:01 PM CDT | Special Weather Statement | FWD | 59 min |
| May 31, 7:55 PM CDT | Areal Flood Advisory | FWD | 3 hr |
| May 31, 8:20 PM CDT | River Flood Warning | FWD | 37 hr |
| Jun 6, 2:19 PM CDT | Flash Flood Watch | FWD | 26 hr |
| Jun 7, 9:36 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 2:12 PM CDT | River Flood Warning | FWD | 11 days |
| Jun 8, 8:35 AM CDT | Special Weather Statement | FWD | 40 min |
| Jun 8, 8:38 AM CDT | Areal Flood Advisory | FWD | 112 min |
| Jun 8, 9:08 AM CDT | Flash Flood Warning | FWD | 82 min |
| Jun 14, 3:56 AM CDT | Heat Advisory | FWD | 15 hr |
| Jul 2, 12:47 PM CDT | Special Weather Statement | FWD | 28 min |
| Jul 3, 5:56 AM CDT | Areal Flood Advisory | FWD | 2 hr |
| Jul 3, 7:43 AM CDT | Flash Flood Warning | FWD | 2 hr |
| Jul 3, 8:24 AM CDT | Areal Flood Advisory | FWD | 2 hr |
| Jul 3, 10:23 AM CDT | Areal Flood Advisory | FWD | 3 hr |
| Jul 5, 3:47 PM CDT | Areal Flood Advisory | FWD | 3 hr |
| Jul 5, 5:37 PM CDT | Special Weather Statement | FWD | 23 min |
| Jul 11, 4:56 AM CDT | Special Weather Statement | FWD | 64 min |
| Jul 11, 6:32 AM CDT | Special Weather Statement | FWD | 28 min |
| Jul 11, 6:56 AM CDT | Special Weather Statement | FWD | 34 min |
| Jul 11, 7:31 AM CDT | Special Weather Statement | FWD | 29 min |
| Jul 11, 6:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Jul 19, 11:47 AM CDT | Areal Flood Advisory | FWD | 5 hr |
| Jul 20, 6:53 AM CDT | Dense Fog Advisory | FWD | 3 hr |
| Jul 28, 3:47 PM CDT | Severe Thunderstorm Warning | FWD | 43 min |
| Jul 28, 4:56 PM CDT | Special Weather Statement | FWD | 34 min |
| Jul 29, 12:44 PM CDT | Heat Advisory | FWD | 54 hr |
| Jul 31, 12:52 PM CDT | Heat Advisory | FWD | 30 hr |
| Aug 8, 1:05 PM CDT | Heat Advisory | FWD | 55 hr |
| Aug 21, 1:57 AM CDT | Heat Advisory | FWD | 42 hr |
| Aug 31, 1:45 PM CDT | Heat Advisory | FWD | 53 hr |
| Oct 10, 6:13 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 10, 8:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Oct 10, 10:10 PM CDT | Severe Thunderstorm Warning | FWD | 65 min |
| Oct 10, 10:16 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Oct 10, 11:04 PM CDT | Severe Thunderstorm Warning | FWD | 56 min |
| Oct 12, 3:50 AM CDT | Flood Watch | FWD | 50 hr |
| Oct 27, 1:32 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Oct 27, 2:08 PM CDT | Wind Advisory | FWD | 34 hr |
| Nov 10, 5:56 PM CST | Severe Thunderstorm Watch | SPC | 7 hr |
| Nov 10, 11:21 PM CST | Mesoscale Discussion | SPC | 114 min |
| Nov 18, 2:53 AM CST | Freeze Warning | FWD | 29 hr |
| Nov 25, 12:11 AM CST | Wind Advisory | FWD | 16 hr |
| Dec 2, 2:17 AM CST | Dense Fog Advisory | FWD | 8 hr |
| Dec 5, 2:32 PM CST | Wind Advisory | FWD | 23 hr |
| Dec 10, 4:20 PM CST | Mesoscale Discussion | SPC | 85 min |
| Dec 11, 3:07 PM CST | Freeze Warning | FWD | 17 hr |
| Dec 18, 1:17 AM CST | Mesoscale Discussion | SPC | 118 min |
| Dec 21, 4:39 AM CST | Dense Fog Advisory | FWD | 5 hr |
| Dec 26, 2:39 AM CST | Dense Fog Advisory | FWD | 7 hr |
| Dec 29, 10:52 PM CST | Dense Fog Advisory | FWD | 11 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 | 15 |
| Severe Thunderstorm Watch | 9 |
| Tornado Watch | 5 |
| Mesoscale Discussion | 30 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 10 |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
| Areal Flood Advisory | 7 |
| Winter | |
| Winter Storm Warning | 3 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 2 |
| Hard Freeze Warning | 2 |
| Wind Chill Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.