Alert archive / Alabama / Etowah County
Weather alerts in Etowah County, Alabama, 2017
142 weather alerts in 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Etowah County and its neighbors
Each county as a circle sized by its count in 2017. Tap one for its archive.
- Alerts
- 142
- Warnings
- 23
- Watches
- 19
- Advisories
- 44
- Busiest month
- March20 alerts
- Busiest day
- April 5, 20178 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Etowah County, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 11 | 9 | 18% | 46 | 43% | 23 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2017
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Birmingham, AL: tornado warnings | 59 | 22 | 63% | 63 | 73% | 14 min |
| NWS Birmingham, AL: severe thunderstorm warnings | 170 | 108 | 36% | 708 | 57% | 21 min |
| NWS Birmingham, AL: flash flood warnings | 36 | 29 | 19% | 145 | 89% | 77 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, 7:11 PM CST | Dense Fog Advisory | BMX | 14 hr |
| Jan 2, 7:29 PM CST | Wind Advisory | BMX | 4 hr |
| Jan 4, 3:10 PM CST | Winter Storm Watch | BMX | 24 hr |
| Jan 5, 3:07 PM CST | Winter Storm Warning | BMX | 42 hr |
| Jan 5, 3:07 PM CST | Winter Weather Advisory | BMX | 42 hr |
| Jan 7, 11:55 AM CST | Hard Freeze Warning | BMX | 22 hr |
| Jan 14, 12:47 AM CST | Dense Fog Advisory | BMX | 8 hr |
| Jan 22, 1:31 AM CST | Severe Thunderstorm Warning | BMX | 40 min |
| Jan 22, 9:06 AM CST | Wind Advisory | BMX | 33 hr |
| Jan 22, 7:51 PM CST | Flash Flood Warning | BMX | 3 hr |
| Jan 22, 10:43 PM CST | Areal Flood Warning | BMX | 6 hr |
| Feb 6, 9:51 PM CST | Dense Fog Advisory | BMX | 8 hr |
| Feb 8, 1:29 AM CST | Dense Fog Advisory | BMX | 7 hr |
| Feb 8, 4:53 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Feb 8, 7:04 PM CST | Mesoscale Discussion | SPC | 86 min |
| Feb 8, 8:55 PM CST | Mesoscale Discussion | SPC | 65 min |
| Feb 19, 12:39 AM CST | Dense Fog Advisory | BMX | 8 hr |
| Feb 27, 10:25 PM CST | Dense Fog Advisory | BMX | 11 hr |
| Mar 1, 10:08 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 1, 11:48 AM CST | Tornado Watch | SPC | 6 hr |
| Mar 1, 2:11 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 9, 10:42 PM CST | Mesoscale Discussion | SPC | 63 min |
| Mar 9, 11:18 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 10, 12:50 AM CST | Mesoscale Discussion | SPC | 85 min |
| Mar 10, 1:21 AM CST | Special Weather Statement | BMX | 54 min |
| Mar 10, 3:56 PM CST | Frost Advisory | BMX | 15 hr |
| Mar 13, 3:19 PM CDT | Freeze Warning | BMX | 43 hr |
| Mar 14, 2:40 AM CDT | Freeze Warning | BMX | 55 hr |
| Mar 21, 1:53 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 21, 6:44 PM CDT | Special Weather Statement | BMX | 46 min |
| Mar 21, 7:24 PM CDT | Special Weather Statement | BMX | 51 min |
| Mar 27, 1:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Mar 27, 1:54 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 27, 3:33 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Mar 27, 6:19 PM CDT | Severe Thunderstorm Warning | BMX | 56 min |
| Mar 27, 7:12 PM CDT | Severe Thunderstorm Warning | BMX | 63 min |
| Mar 27, 8:29 PM CDT | Special Weather Statement | BMX | 46 min |
| Mar 27, 8:46 PM CDT | Severe Thunderstorm Warning | BMX | 29 min |
| Apr 3, 1:51 AM CDT | Mesoscale Discussion | SPC | 114 min |
| Apr 5, 1:37 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 5, 6:54 AM CDT | Tornado Watch | SPC | 8 hr |
| Apr 5, 1:50 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 5, 3:51 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Apr 5, 4:10 PM CDT | Severe Thunderstorm Warning | BMX | 45 min |
| Apr 5, 4:37 PM CDT | Wind Advisory | BMX | 26 hr |
| Apr 5, 6:35 PM CDT | Severe Thunderstorm Warning | BMX | 25 min |
| Apr 5, 6:57 PM CDT | Mesoscale Discussion | SPC | 48 min |
| Apr 22, 4:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Apr 22, 6:40 PM CDT | Mesoscale Discussion | SPC | 65 min |
| Apr 22, 7:01 PM CDT | Special Weather Statement | BMX | 44 min |
| Apr 29, 3:06 AM CDT | Wind Advisory | BMX | 16 hr |
| Apr 29, 4:33 PM CDT | Wind Advisory | BMX | 50 hr |
| Apr 30, 1:21 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 30, 1:36 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 30, 2:41 PM CDT | Severe Thunderstorm Warning | BMX | 64 min |
| Apr 30, 3:35 PM CDT | Special Weather Statement | BMX | 40 min |
| May 3, 3:19 PM CDT | Wind Advisory | BMX | 30 hr |
| May 12, 10:56 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 12, 12:54 PM CDT | Special Weather Statement | BMX | 51 min |
| May 12, 1:06 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 10:34 PM CDT | Areal Flood Advisory | BMX | 116 min |
| May 20, 5:17 PM CDT | Special Weather Statement | BMX | 58 min |
| May 20, 6:07 PM CDT | Special Weather Statement | BMX | 53 min |
| May 20, 8:24 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| May 24, 6:41 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 24, 8:06 AM CDT | Special Weather Statement | BMX | 24 min |
| May 27, 9:07 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 27, 11:42 PM CDT | Special Weather Statement | BMX | 33 min |
| May 28, 2:11 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 2:47 AM CDT | Severe Thunderstorm Warning | BMX | 58 min |
| May 29, 7:01 PM CDT | Special Weather Statement | BMX | 44 min |
| May 30, 10:35 AM CDT | Special Weather Statement | BMX | 70 min |
| May 30, 2:08 PM CDT | Areal Flood Advisory | BMX | 2 hr |
| Jun 15, 2:33 PM CDT | Special Weather Statement | BMX | 42 min |
| Jun 15, 2:47 PM CDT | Severe Thunderstorm Warning | BMX | 28 min |
| Jun 15, 3:15 PM CDT | Severe Thunderstorm Warning | BMX | 60 min |
| Jun 16, 1:16 AM CDT | Dense Fog Advisory | BMX | 8 hr |
| Jun 21, 3:26 AM CDT | Flash Flood Watch | BMX | 64 hr |
| Jun 22, 1:04 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 22, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| Jun 22, 8:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 23, 12:16 PM CDT | Tornado Watch | SPC | 6 hr |
| Jun 23, 2:59 PM CDT | Special Weather Statement | BMX | 61 min |
| Jun 23, 3:17 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jun 23, 3:31 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| Jun 23, 5:29 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| Jun 23, 5:32 PM CDT | Areal Flood Warning | BMX | 3 hr |
| Jun 30, 9:36 AM CDT | Areal Flood Warning | BMX | 6 hr |
| Jul 1, 3:00 AM CDT | Flash Flood Watch | BMX | 16 hr |
| Jul 1, 12:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jul 2, 4:57 PM CDT | Special Weather Statement | BMX | 48 min |
| Jul 4, 3:39 PM CDT | Special Weather Statement | BMX | 66 min |
| Jul 5, 10:50 AM CDT | Special Weather Statement | BMX | 55 min |
| Jul 5, 11:48 AM CDT | Special Weather Statement | BMX | 42 min |
| Jul 5, 1:55 PM CDT | Special Weather Statement | BMX | 35 min |
| Jul 5, 2:30 PM CDT | Special Weather Statement | BMX | 45 min |
| Jul 6, 12:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Jul 6, 3:43 PM CDT | Severe Thunderstorm Warning | BMX | 47 min |
| Jul 17, 4:05 PM CDT | Special Weather Statement | BMX | 40 min |
| Jul 17, 5:04 PM CDT | Special Weather Statement | BMX | 26 min |
| Jul 25, 6:25 PM CDT | Special Weather Statement | BMX | 35 min |
| Jul 26, 1:49 PM CDT | Special Weather Statement | BMX | 26 min |
| Jul 27, 3:32 PM CDT | Flash Flood Watch | BMX | 27 hr |
| Aug 10, 10:13 PM CDT | Areal Flood Advisory | BMX | 2 hr |
| Aug 11, 3:10 AM CDT | Flash Flood Watch | BMX | 16 hr |
| Aug 12, 4:49 AM CDT | Dense Fog Advisory | BMX | 4 hr |
| Aug 31, 2:49 PM CDT | Wind Advisory | BMX | 27 hr |
| Aug 31, 10:15 PM CDT | Special Weather Statement | BMX | 45 min |
| Sep 5, 2:36 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Sep 5, 3:07 PM CDT | Special Weather Statement | BMX | 53 min |
| Sep 10, 4:45 AM CDT | Tropical Storm Warning | BMX | 41 hr |
| Sep 10, 4:07 PM CDT | Wind Advisory | BMX | 36 hr |
| Sep 17, 3:19 AM CDT | Dense Fog Advisory | BMX | 6 hr |
| Sep 18, 12:31 AM CDT | Dense Fog Advisory | BMX | 8 hr |
| Sep 19, 10:58 PM CDT | Dense Fog Advisory | BMX | 11 hr |
| Sep 23, 6:33 PM CDT | Special Weather Statement | BMX | 42 min |
| Oct 6, 4:14 PM CDT | Tropical Storm Watch | BMX | 42 hr |
| Oct 7, 2:51 AM CDT | Flash Flood Watch | BMX | 35 hr |
| Oct 7, 4:27 AM CDT | Tropical Storm Warning | BMX | 30 hr |
| Oct 7, 12:25 PM CDT | Wind Advisory | BMX | 31 hr |
| Oct 10, 10:14 PM CDT | Dense Fog Advisory | BMX | 11 hr |
| Oct 29, 3:07 AM CDT | Frost Advisory | BMX | 29 hr |
| Nov 3, 9:18 PM CDT | Dense Fog Advisory | BMX | 12 hr |
| Nov 5, 3:36 AM CST | Dense Fog Advisory | BMX | 5 hr |
| Nov 6, 8:26 PM CST | Dense Fog Advisory | BMX | 13 hr |
| Nov 10, 4:14 AM CST | Frost Advisory | BMX | 28 hr |
| Nov 13, 3:28 AM CST | Dense Fog Advisory | BMX | 5 hr |
| Nov 18, 10:04 AM CST | Wind Advisory | BMX | 16 hr |
| Nov 18, 3:23 PM CST | Freeze Watch | BMX | 11 hr |
| Nov 18, 7:03 PM CST | Special Weather Statement | BMX | 57 min |
| Nov 19, 2:45 AM CST | Freeze Warning | BMX | 29 hr |
| Nov 30, 6:07 PM CST | Dense Fog Advisory | BMX | 15 hr |
| Dec 1, 3:00 PM CST | Dense Fog Advisory | BMX | 18 hr |
| Dec 2, 2:24 PM CST | Dense Fog Advisory | BMX | 19 hr |
| Dec 7, 3:34 AM CST | Winter Weather Advisory | BMX | 51 hr |
| Dec 8, 7:55 AM CST | Mesoscale Discussion | SPC | 3 hr |
| Dec 17, 8:31 PM CST | Dense Fog Advisory | BMX | 12 hr |
| Dec 18, 5:48 PM CST | Dense Fog Advisory | BMX | 17 hr |
| Dec 19, 6:37 PM CST | Dense Fog Advisory | BMX | 11 hr |
| Dec 20, 8:00 AM CST | Flash Flood Warning | BMX | 3 hr |
| Dec 23, 9:12 AM CST | Wind Advisory | BMX | 5 hr |
| Dec 23, 9:26 AM CST | Special Weather Statement | BMX | 49 min |
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 | 11 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 30 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 5 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 3 |
| Hard Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 22 |
| Tropical | |
| Tropical Storm Warning | 2 |
| Tropical Storm Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20162018
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.