Alert archive / Alabama / Marengo County
Weather alerts in Marengo County, Alabama, 2023
204 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Marengo County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 204
- Warnings
- 50
- Watches
- 30
- Advisories
- 45
- Busiest month
- June59 alerts
- Busiest day
- March 26, 202320 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
3 of 5 tornado warnings covering Marengo County in 2023 had a tornado report inside them; 3 of 4 tornado reports fell inside a warning, on average 6 minutes after it went out.
Marengo County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 3 | 40% | 4 | 75% | 6 min |
| Severe thunderstorm warnings | 18 | 13 | 28% | 24 | 75% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Birmingham, AL: tornado warnings | 44 | 25 | 43% | 93 | 72% | 27 min |
| NWS Birmingham, AL: severe thunderstorm warnings | 451 | 311 | 31% | 916 | 74% | 23 min |
| NWS Birmingham, AL: flash flood warnings | 23 | 17 | 26% | 40 | 93% | 83 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, 6:15 PM CST | Dense Fog Advisory | BMX | 15 hr |
| Jan 3, 1:42 AM CST | Flood Watch | BMX | 34 hr |
| Jan 3, 9:14 AM CST | Tornado Watch | SPC | 8 hr |
| Jan 3, 11:15 AM CST | Tornado Warning | BMX | 31 min |
| Jan 3, 11:38 AM CST | Mesoscale Discussion | SPC | 97 min |
| Jan 3, 12:07 PM CST | Tornado Warning | BMX | 38 min |
| Jan 3, 7:45 PM CST | Mesoscale Discussion | SPC | 90 min |
| Jan 3, 10:05 PM CST | Tornado Watch | SPC | 6 hr |
| Jan 3, 11:37 PM CST | Mesoscale Discussion | SPC | 83 min |
| Jan 10, 4:41 AM CST | Dense Fog Advisory | BMX | 3 hr |
| Jan 10, 4:41 AM CST | Freezing Fog Advisory | BMX | 3 hr |
| Jan 11, 2:17 PM CST | Wind Advisory | BMX | 31 hr |
| Jan 12, 9:54 AM CST | Mesoscale Discussion | SPC | 96 min |
| Jan 12, 10:12 AM CST | Tornado Warning | BMX | 63 min |
| Jan 12, 10:20 AM CST | Tornado Watch | SPC | 7 hr |
| Jan 12, 10:53 AM CST | Tornado Warning | BMX | 56 min |
| Jan 17, 6:06 PM CST | Dense Fog Advisory | BMX | 16 hr |
| Jan 23, 2:02 PM CST | Wind Advisory | BMX | 46 hr |
| Jan 31, 1:14 AM CST | Dense Fog Advisory | BMX | 9 hr |
| Feb 1, 10:02 AM CST | River Flood Warning | BMX | 23 hr |
| Feb 1, 10:03 AM CST | River Flood Warning | BMX | 4 days |
| Feb 3, 8:29 AM CST | River Flood Warning | BMX | 63 hr |
| Feb 11, 2:31 AM CST | Wind Advisory | BMX | 27 hr |
| Feb 12, 8:28 PM CST | River Flood Warning | BMX | 23 hr |
| Feb 12, 8:35 PM CST | River Flood Warning | BMX | 23 hr |
| Feb 16, 1:17 PM CST | Mesoscale Discussion | SPC | 88 min |
| Feb 16, 1:50 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 16, 5:56 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 16, 11:04 PM CST | Areal Flood Advisory | BMX | 2 hr |
| Feb 17, 9:14 AM CST | River Flood Warning | BMX | 3 days |
| Feb 17, 8:24 PM CST | River Flood Warning | BMX | 71 hr |
| Feb 22, 2:12 AM CST | Wind Advisory | BMX | 19 hr |
| Feb 26, 2:23 AM CST | Wind Advisory | BMX | 41 hr |
| Mar 2, 4:01 AM CST | Wind Advisory | BMX | 40 hr |
| Mar 9, 1:42 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Mar 12, 3:20 AM CDT | Mesoscale Discussion | SPC | 55 min |
| Mar 12, 5:38 AM CDT | Special Weather Statement | BMX | 52 min |
| Mar 12, 3:08 PM CDT | Freeze Watch | BMX | 36 hr |
| Mar 13, 2:52 AM CDT | Freeze Warning | BMX | 31 hr |
| Mar 14, 3:02 AM CDT | Freeze Warning | BMX | 30 hr |
| Mar 15, 3:19 AM CDT | Frost Advisory | BMX | 29 hr |
| Mar 17, 4:15 AM CDT | Freeze Watch | BMX | 23 hr |
| Mar 18, 3:27 AM CDT | Freeze Warning | BMX | 31 hr |
| Mar 18, 3:27 AM CDT | Freeze Warning | BMX | 55 hr |
| Mar 19, 4:21 AM CDT | Freeze Watch | BMX | 22 hr |
| Mar 20, 2:06 AM CDT | Freeze Warning | BMX | 30 hr |
| Mar 24, 12:07 PM CDT | Wind Advisory | BMX | 19 hr |
| Mar 25, 10:40 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 26, 12:59 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 26, 4:01 AM CDT | Mesoscale Discussion | SPC | 119 min |
| Mar 26, 4:07 AM CDT | Severe Thunderstorm Warning | BMX | 53 min |
| Mar 26, 5:20 AM CDT | Severe Thunderstorm Warning | BMX | 40 min |
| Mar 26, 5:45 AM CDT | Severe Thunderstorm Warning | BMX | 45 min |
| Mar 26, 6:06 AM CDT | Areal Flood Advisory | BMX | 5 hr |
| Mar 26, 6:19 AM CDT | Mesoscale Discussion | SPC | 56 min |
| Mar 26, 6:34 AM CDT | Tornado Watch | SPC | 5 hr |
| Mar 26, 7:14 AM CDT | Severe Thunderstorm Warning | BMX | 48 min |
| Mar 26, 9:29 AM CDT | Mesoscale Discussion | SPC | 91 min |
| Mar 26, 9:32 AM CDT | Special Weather Statement | BMX | 43 min |
| Mar 26, 10:13 AM CDT | Flood Watch | BMX | 27 hr |
| Mar 26, 12:02 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 26, 5:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Mar 26, 5:32 PM CDT | Special Weather Statement | BMX | 58 min |
| Mar 26, 5:49 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 26, 5:50 PM CDT | Special Weather Statement | MOB | 40 min |
| Mar 26, 6:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Mar 26, 6:59 PM CDT | Severe Thunderstorm Warning | BMX | 50 min |
| Mar 26, 7:15 PM CDT | Tornado Warning | BMX | 21 min |
| Mar 26, 7:56 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| Mar 26, 7:57 PM CDT | Severe Thunderstorm Warning | BMX | 47 min |
| Mar 27, 12:31 AM CDT | Mesoscale Discussion | SPC | 29 min |
| Apr 1, 3:19 AM CDT | Tornado Watch | SPC | 5 hr |
| Apr 3, 4:57 AM CDT | Special Weather Statement | BMX | 33 min |
| Apr 3, 6:04 AM CDT | Special Weather Statement | BMX | 41 min |
| Apr 9, 10:11 AM CDT | River Flood Warning | BMX | 57 hr |
| Apr 9, 10:14 AM CDT | River Flood Warning | BMX | 47 hr |
| Apr 13, 10:04 AM CDT | Wind Advisory | BMX | 9 hr |
| May 11, 6:22 PM CDT | Special Weather Statement | BMX | 53 min |
| May 12, 6:47 PM CDT | Special Weather Statement | BMX | 43 min |
| May 16, 12:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 16, 1:37 PM CDT | Special Weather Statement | BMX | 38 min |
| May 17, 3:01 PM CDT | Special Weather Statement | BMX | 29 min |
| May 18, 7:03 AM CDT | Dense Fog Advisory | BMX | 117 min |
| May 18, 4:40 PM CDT | Special Weather Statement | BMX | 35 min |
| May 20, 1:35 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 20, 2:44 PM CDT | Special Weather Statement | BMX | 46 min |
| Jun 5, 5:09 PM CDT | Special Weather Statement | BMX | 21 min |
| Jun 5, 6:26 PM CDT | Special Weather Statement | BMX | 34 min |
| Jun 10, 4:28 PM CDT | Special Weather Statement | BMX | 62 min |
| Jun 10, 5:14 PM CDT | Special Weather Statement | BMX | 46 min |
| Jun 10, 5:22 PM CDT | Special Weather Statement | BMX | 38 min |
| Jun 10, 5:32 PM CDT | Severe Thunderstorm Warning | BMX | 43 min |
| Jun 10, 6:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 12, 12:57 AM CDT | Severe Thunderstorm Warning | BMX | 48 min |
| Jun 12, 1:16 AM CDT | Special Weather Statement | BMX | 44 min |
| Jun 12, 1:31 AM CDT | Severe Thunderstorm Warning | BMX | 44 min |
| Jun 12, 2:14 AM CDT | Special Weather Statement | BMX | 31 min |
| Jun 13, 10:37 AM CDT | Special Weather Statement | BMX | 38 min |
| Jun 13, 11:01 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 11:18 AM CDT | Special Weather Statement | BMX | 27 min |
| Jun 14, 2:34 AM CDT | Flood Watch | BMX | 39 hr |
| Jun 14, 10:09 AM CDT | Tornado Watch | SPC | 7 hr |
| Jun 14, 4:09 PM CDT | Severe Thunderstorm Warning | BMX | 52 min |
| Jun 14, 4:33 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 14, 4:34 PM CDT | Severe Thunderstorm Warning | BMX | 42 min |
| Jun 15, 12:17 AM CDT | Special Weather Statement | BMX | 43 min |
| Jun 15, 12:58 AM CDT | Severe Thunderstorm Warning | BMX | 62 min |
| Jun 15, 1:35 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 15, 6:41 AM CDT | Special Weather Statement | BMX | 64 min |
| Jun 15, 10:39 AM CDT | Severe Thunderstorm Warning | BMX | 66 min |
| Jun 15, 11:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Jun 15, 11:39 AM CDT | Special Weather Statement | BMX | 36 min |
| Jun 16, 6:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 7:09 AM CDT | Severe Thunderstorm Warning | BMX | 66 min |
| Jun 16, 4:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jun 16, 4:52 PM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 16, 6:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 16, 7:22 PM CDT | Areal Flood Advisory | BMX | 113 min |
| Jun 16, 7:37 PM CDT | Severe Thunderstorm Warning | BMX | 68 min |
| Jun 16, 8:09 PM CDT | Severe Thunderstorm Warning | BMX | 65 min |
| Jun 16, 8:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 17, 3:29 AM CDT | Dense Fog Advisory | BMX | 7 hr |
| Jun 18, 4:15 AM CDT | Dense Fog Advisory | BMX | 6 hr |
| Jun 18, 7:21 AM CDT | Special Weather Statement | BMX | 39 min |
| Jun 18, 11:23 AM CDT | Severe Thunderstorm Warning | BMX | 52 min |
| Jun 18, 1:33 PM CDT | Flood Watch | BMX | 17 hr |
| Jun 18, 8:43 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 18, 9:29 PM CDT | Tornado Watch | SPC | 4 hr |
| Jun 18, 10:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 19, 12:57 AM CDT | Tornado Watch | SPC | 7 hr |
| Jun 19, 2:43 AM CDT | Special Weather Statement | BMX | 47 min |
| Jun 19, 3:08 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 19, 3:21 AM CDT | Severe Thunderstorm Warning | BMX | 41 min |
| Jun 19, 3:29 AM CDT | Special Weather Statement | BMX | 31 min |
| Jun 19, 1:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 19, 2:34 PM CDT | Special Weather Statement | BMX | 41 min |
| Jun 20, 4:46 AM CDT | Dense Fog Advisory | BMX | 5 hr |
| Jun 25, 12:32 PM CDT | Heat Advisory | BMX | 8 hr |
| Jun 25, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 1:02 AM CDT | Special Weather Statement | BMX | 43 min |
| Jun 26, 2:43 AM CDT | Heat Advisory | BMX | 16 hr |
| Jun 27, 3:22 AM CDT | Excessive Heat Watch | BMX | 24 hr |
| Jun 27, 3:17 PM CDT | Special Weather Statement | BMX | 13 min |
| Jun 28, 3:00 AM CDT | Excessive Heat Warning | BMX | 4 days |
| Jun 28, 3:00 AM CDT | Heat Advisory | BMX | 5 days |
| Jul 2, 1:49 PM CDT | Special Weather Statement | BMX | 41 min |
| Jul 2, 3:56 PM CDT | Special Weather Statement | BMX | 79 min |
| Jul 4, 1:22 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Jul 8, 3:26 PM CDT | Special Weather Statement | BMX | 34 min |
| Jul 8, 5:37 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| Jul 13, 8:28 AM CDT | Flood Watch | BMX | 9 hr |
| Jul 14, 2:34 AM CDT | Heat Advisory | BMX | 15 hr |
| Jul 14, 2:15 PM CDT | Special Weather Statement | BMX | 30 min |
| Jul 15, 1:35 AM CDT | Heat Advisory | BMX | 19 hr |
| Jul 18, 2:48 PM CDT | Heat Advisory | BMX | 3 days |
| Jul 21, 4:00 AM CDT | Excessive Heat Warning | BMX | 17 hr |
| Jul 21, 6:52 PM CDT | Special Weather Statement | BMX | 38 min |
| Jul 21, 7:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 22, 2:31 AM CDT | Special Weather Statement | BMX | 29 min |
| Jul 27, 1:48 PM CDT | Heat Advisory | BMX | 3 days |
| Jul 28, 1:17 PM CDT | Special Weather Statement | BMX | 28 min |
| Jul 28, 2:06 PM CDT | Special Weather Statement | BMX | 24 min |
| Jul 30, 2:06 PM CDT | Special Weather Statement | BMX | 39 min |
| Jul 30, 2:15 PM CDT | Special Weather Statement | BMX | 45 min |
| Jul 30, 2:40 PM CDT | Special Weather Statement | BMX | 35 min |
| Jul 31, 3:10 AM CDT | Dense Fog Advisory | BMX | 5 hr |
| Aug 2, 9:29 PM CDT | Heat Advisory | BMX | 46 hr |
| Aug 3, 3:24 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 4, 2:38 PM CDT | Special Weather Statement | BMX | 52 min |
| Aug 4, 3:07 PM CDT | Special Weather Statement | BMX | 23 min |
| Aug 4, 7:40 PM CDT | Heat Advisory | BMX | 69 hr |
| Aug 5, 5:44 AM CDT | Dense Fog Advisory | BMX | 2 hr |
| Aug 6, 3:00 AM CDT | Excessive Heat Warning | BMX | 18 hr |
| Aug 6, 3:00 AM CDT | Heat Advisory | BMX | 31 hr |
| Aug 6, 9:16 PM CDT | Excessive Heat Warning | BMX | 24 hr |
| Aug 8, 1:01 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Aug 9, 2:43 AM CDT | Heat Advisory | BMX | 33 hr |
| Aug 11, 3:58 AM CDT | Heat Advisory | BMX | 17 hr |
| Aug 11, 12:10 PM CDT | Excessive Heat Warning | BMX | 3 days |
| Aug 20, 2:29 PM CDT | Heat Advisory | BMX | 7 days |
| Aug 22, 2:25 PM CDT | Excessive Heat Warning | BMX | 3 days |
| Aug 23, 2:14 AM CDT | Heat Advisory | BMX | 5 days |
| Aug 25, 1:51 AM CDT | Excessive Heat Warning | BMX | 19 hr |
| Aug 28, 4:03 AM CDT | Heat Advisory | BMX | 12 hr |
| Aug 28, 6:11 PM CDT | Special Weather Statement | BMX | 34 min |
| Aug 28, 6:56 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| Sep 1, 3:08 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| Sep 1, 8:12 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| Sep 17, 4:20 AM CDT | Dense Fog Advisory | BMX | 5 hr |
| Oct 5, 1:38 PM CDT | Red Flag Warning | BMX | 53 hr |
| Oct 6, 2:51 PM CDT | Fire Weather Watch | BMX | 22 hr |
| Oct 7, 1:16 PM CDT | Red Flag Warning | BMX | 30 hr |
| Oct 29, 4:47 PM CDT | Fire Weather Watch | BMX | 20 hr |
| Oct 29, 4:47 PM CDT | Fire Weather Watch | BMX | 58 hr |
| Oct 30, 3:43 AM CDT | Freeze Watch | BMX | 47 hr |
| Oct 30, 12:28 PM CDT | Freeze Warning | BMX | 45 hr |
| Oct 30, 12:37 PM CDT | Red Flag Warning | BMX | 30 hr |
| Oct 31, 2:46 AM CDT | Freeze Watch | BMX | 24 hr |
| Nov 1, 2:17 AM CDT | Freeze Warning | BMX | 31 hr |
| Nov 1, 2:30 AM CDT | Red Flag Warning | BMX | 17 hr |
| Nov 8, 3:48 AM CST | Dense Fog Advisory | BMX | 5 hr |
| Dec 9, 8:29 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 9, 10:10 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 9, 11:53 PM CST | Mesoscale Discussion | SPC | 2 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 | 18 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 11 |
| Mesoscale Discussion | 35 |
| Special Weather Statement | 44 |
| Flooding | |
| River Flood Warning | 9 |
| Flood Watch | 5 |
| Areal Flood Advisory | 8 |
| Heat | |
| Excessive Heat Warning | 7 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 15 |
| Cold | |
| Freeze Warning | 7 |
| Freeze Watch | 5 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.