Alert archive / Alabama / Shelby County / 2021
Weather alerts in Shelby County, Alabama, December 2021
28 weather alerts in December 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 28
- Warnings
- 4
- Watches
- 3
- Advisories
- 11
- Busiest day
- December 30, 202113 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Dec 2, 8:42 PM CST | Dense Fog Advisory | BMX | 11 hr |
| Dec 3, 9:38 PM CST | Dense Fog Advisory | BMX | 12 hr |
| Dec 4, 9:42 PM CST | Dense Fog Advisory | BMX | 12 hr |
| Dec 6, 9:33 AM CST | Special Weather Statement | BMX | 42 min |
| Dec 6, 10:06 AM CST | Mesoscale Discussion | SPC | 114 min |
| Dec 6, 10:15 AM CST | Special Weather Statement | BMX | 45 min |
| Dec 9, 1:33 AM CST | Dense Fog Advisory | BMX | 7 hr |
| Dec 10, 12:38 PM CST | Wind Advisory | BMX | 24 hr |
| Dec 11, 7:34 AM CST | Mesoscale Discussion | SPC | 86 min |
| Dec 16, 9:14 PM CST | Dense Fog Advisory | BMX | 12 hr |
| Dec 18, 6:23 AM CST | Areal Flood Advisory | BMX | 2 hr |
| Dec 26, 7:52 PM CST | Dense Fog Advisory | BMX | 12 hr |
| Dec 29, 3:53 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 29, 7:27 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 29, 9:16 PM CST | Tornado Watch | SPC | 7 hr |
| Dec 29, 9:34 PM CST | Areal Flood Advisory | BMX | 116 min |
| Dec 29, 10:01 PM CST | Tornado Warning | BMX | 32 min |
| Dec 29, 10:39 PM CST | Flash Flood Warning | BMX | 2 hr |
| Dec 29, 10:50 PM CST | Flood Watch | BMX | 16 hr |
| Dec 30, 1:15 AM CST | Mesoscale Discussion | SPC | 90 min |
| Dec 30, 1:17 AM CST | Special Weather Statement | BMX | 28 min |
| Dec 30, 4:02 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 30, 6:44 AM CST | Special Weather Statement | BMX | 31 min |
| Dec 30, 7:05 AM CST | Areal Flood Advisory | BMX | 3 hr |
| Dec 30, 8:27 AM CST | Flash Flood Warning | BMX | 3 hr |
| Dec 30, 9:57 AM CST | Severe Thunderstorm Warning | BMX | 34 min |
| Dec 30, 6:44 PM CST | Dense Fog Advisory | BMX | 14 hr |
| Dec 31, 12:48 PM CST | Mesoscale Discussion | SPC | 57 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 | 1 |
| Tornado Warning | 1 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Warning | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 7 |
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.