Alert archive / Alabama / Montgomery County
Weather alerts in Montgomery County, Alabama, 2016
120 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Montgomery County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 120
- Warnings
- 24
- Watches
- 12
- Advisories
- 42
- Busiest month
- July22 alerts
- Busiest day
- April 1, 20168 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 1 tornado warnings covering Montgomery County in 2016 had a tornado report inside them; 1 of 4 tornado reports fell inside a warning, on average 0 minutes after it went out.
Montgomery County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 1 | 0% | 4 | 25% | 0 min |
| Severe thunderstorm warnings | 11 | 6 | 45% | 9 | 56% | 32 min |
| Flash flood warnings | 2 | 2 | 0% | 0 |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Birmingham, AL: tornado warnings | 38 | 20 | 47% | 105 | 63% | 15 min |
| NWS Birmingham, AL: severe thunderstorm warnings | 99 | 61 | 38% | 383 | 45% | 29 min |
| NWS Birmingham, AL: flash flood warnings | 7 | 5 | 29% | 24 | 83% | 46 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, 1:43 PM CST | River Flood Warning | BMX | 40 hr |
| Jan 15, 9:11 PM CST | Dense Fog Advisory | BMX | 14 hr |
| Jan 21, 6:53 PM CST | Tornado Watch | SPC | 10 hr |
| Jan 22, 12:29 AM CST | Special Weather Statement | BMX | 76 min |
| Jan 22, 4:50 AM CST | Wind Advisory | BMX | 35 hr |
| Jan 23, 8:27 AM CST | River Flood Warning | BMX | 23 hr |
| Feb 1, 4:11 PM CST | Wind Advisory | BMX | 35 hr |
| Feb 2, 1:19 AM CST | Dense Fog Advisory | BMX | 7 hr |
| Feb 2, 9:59 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 3, 4:10 AM CST | Areal Flood Advisory | BMX | 4 hr |
| Feb 3, 4:10 AM CST | Flash Flood Watch | BMX | 11 hr |
| Feb 3, 9:24 AM CST | River Flood Warning | BMX | 53 hr |
| Feb 9, 3:00 AM CST | Wind Advisory | BMX | 15 hr |
| Feb 15, 11:50 AM CST | Mesoscale Discussion | SPC | 115 min |
| Feb 15, 12:02 PM CST | Tornado Watch | SPC | 9 hr |
| Feb 15, 1:51 PM CST | Mesoscale Discussion | SPC | 114 min |
| Feb 15, 3:19 PM CST | Special Weather Statement | BMX | 56 min |
| Feb 15, 4:05 PM CST | Tornado Warning | BMX | 25 min |
| Feb 15, 4:57 PM CST | Severe Thunderstorm Warning | BMX | 48 min |
| Feb 15, 5:50 PM CST | Severe Thunderstorm Warning | BMX | 55 min |
| Feb 23, 3:05 AM CST | Flash Flood Watch | BMX | 20 hr |
| Feb 23, 3:17 AM CST | Wind Advisory | BMX | 42 hr |
| Feb 23, 5:35 PM CST | Mesoscale Discussion | SPC | 115 min |
| Feb 23, 5:53 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 23, 9:07 PM CST | Mesoscale Discussion | SPC | 53 min |
| Feb 24, 8:44 AM CST | River Flood Warning | BMX | 66 hr |
| Mar 1, 7:33 AM CST | Dense Fog Advisory | BMX | 2 hr |
| Mar 1, 5:25 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 20, 3:36 PM CDT | Frost Advisory | BMX | 17 hr |
| Mar 21, 4:13 AM CDT | Frost Advisory | BMX | 28 hr |
| Mar 21, 4:13 AM CDT | Freeze Warning | BMX | 28 hr |
| Mar 24, 11:26 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 30, 2:55 PM CDT | Flash Flood Watch | BMX | 55 hr |
| Mar 31, 5:58 PM CDT | Tornado Watch | SPC | 7 hr |
| Mar 31, 10:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Mar 31, 10:42 PM CDT | Flash Flood Warning | BMX | 3 hr |
| Mar 31, 11:07 PM CDT | River Flood Warning | BMX | 69 hr |
| Mar 31, 11:17 PM CDT | Severe Thunderstorm Warning | BMX | 43 min |
| Apr 1, 2:03 AM CDT | Mesoscale Discussion | SPC | 57 min |
| Apr 1, 2:36 AM CDT | Flash Flood Warning | BMX | 3 hr |
| Apr 1, 10:23 AM CDT | Special Weather Statement | BMX | 52 min |
| Apr 1, 10:52 AM CDT | Areal Flood Advisory | BMX | 113 min |
| Apr 6, 4:19 AM CDT | Wind Advisory | BMX | 9 hr |
| Apr 6, 4:39 PM CDT | Wind Advisory | BMX | 5 hr |
| Apr 6, 7:59 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 6, 10:26 PM CDT | Special Weather Statement | BMX | 49 min |
| Apr 6, 10:53 PM CDT | Severe Thunderstorm Warning | BMX | 67 min |
| Apr 7, 12:43 AM CDT | Dense Fog Advisory | BMX | 8 hr |
| Apr 27, 4:29 PM CDT | Severe Thunderstorm Warning | BMX | 46 min |
| Apr 27, 4:47 PM CDT | Severe Thunderstorm Warning | BMX | 25 min |
| Apr 29, 6:04 AM CDT | Dense Fog Advisory | BMX | 3 hr |
| Apr 29, 7:56 PM CDT | Severe Thunderstorm Warning | BMX | 49 min |
| May 1, 4:37 PM CDT | Special Weather Statement | BMX | 38 min |
| May 2, 6:00 PM CDT | Areal Flood Advisory | BMX | 3 hr |
| May 5, 6:06 AM CDT | Wind Advisory | BMX | 13 hr |
| May 12, 10:59 PM CDT | Special Weather Statement | BMX | 61 min |
| May 20, 4:13 AM CDT | Special Weather Statement | BMX | 62 min |
| Jun 13, 10:42 AM CDT | Heat Advisory | BMX | 10 hr |
| Jun 13, 3:01 PM CDT | Special Weather Statement | BMX | 29 min |
| Jun 17, 4:03 AM CDT | Heat Advisory | BMX | 17 hr |
| Jun 17, 11:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 17, 12:37 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 17, 4:39 PM CDT | Severe Thunderstorm Warning | BMX | 81 min |
| Jun 25, 3:43 AM CDT | Heat Advisory | BMX | 17 hr |
| Jun 26, 3:31 AM CDT | Heat Advisory | BMX | 17 hr |
| Jun 26, 3:24 PM CDT | Special Weather Statement | BMX | 51 min |
| Jun 27, 9:07 PM CDT | Areal Flood Advisory | BMX | 113 min |
| Jul 5, 12:45 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 5, 1:48 PM CDT | Special Weather Statement | BMX | 42 min |
| Jul 6, 2:19 PM CDT | Severe Thunderstorm Warning | BMX | 41 min |
| Jul 6, 3:05 PM CDT | Special Weather Statement | BMX | 55 min |
| Jul 9, 4:16 AM CDT | Heat Advisory | BMX | 15 hr |
| Jul 9, 2:30 PM CDT | Special Weather Statement | BMX | 30 min |
| Jul 9, 2:36 PM CDT | Severe Thunderstorm Warning | BMX | 24 min |
| Jul 9, 3:14 PM CDT | Special Weather Statement | BMX | 46 min |
| Jul 11, 1:19 PM CDT | Special Weather Statement | BMX | 26 min |
| Jul 11, 1:42 PM CDT | Special Weather Statement | BMX | 48 min |
| Jul 11, 2:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 11, 2:21 PM CDT | Severe Thunderstorm Warning | BMX | 24 min |
| Jul 11, 2:46 PM CDT | Areal Flood Advisory | BMX | 119 min |
| Jul 12, 5:56 AM CDT | Dense Fog Advisory | BMX | 3 hr |
| Jul 12, 2:27 PM CDT | Special Weather Statement | BMX | 48 min |
| Jul 19, 11:26 AM CDT | Special Weather Statement | BMX | 34 min |
| Jul 20, 11:41 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 21, 10:25 AM CDT | Heat Advisory | BMX | 11 hr |
| Jul 21, 1:17 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 21, 2:16 PM CDT | Special Weather Statement | BMX | 29 min |
| Jul 21, 3:16 PM CDT | Heat Advisory | BMX | 54 hr |
| Jul 21, 8:20 PM CDT | Areal Flood Advisory | BMX | 115 min |
| Aug 2, 3:24 PM CDT | Special Weather Statement | BMX | 66 min |
| Aug 3, 3:39 AM CDT | Heat Advisory | BMX | 17 hr |
| Aug 4, 2:50 AM CDT | Heat Advisory | BMX | 18 hr |
| Aug 5, 1:45 AM CDT | Heat Advisory | BMX | 19 hr |
| Aug 5, 9:34 PM CDT | Special Weather Statement | BMX | 41 min |
| Aug 6, 2:13 AM CDT | Heat Advisory | BMX | 19 hr |
| Aug 13, 4:44 PM CDT | Special Weather Statement | BMX | 31 min |
| Aug 14, 4:48 PM CDT | Special Weather Statement | BMX | 42 min |
| Aug 16, 7:16 PM CDT | Special Weather Statement | BMX | 29 min |
| Sep 19, 3:58 AM CDT | Dense Fog Advisory | BMX | 5 hr |
| Sep 24, 4:38 PM CDT | Special Weather Statement | BMX | 37 min |
| Sep 24, 5:55 PM CDT | Special Weather Statement | BMX | 35 min |
| Sep 25, 3:47 PM CDT | Special Weather Statement | BMX | 43 min |
| Oct 19, 5:00 AM CDT | Dense Fog Advisory | BMX | 4 hr |
| Oct 21, 4:12 AM CDT | Red Flag Warning | BMX | 14 hr |
| Nov 4, 4:31 AM CDT | Red Flag Warning | BMX | 14 hr |
| Nov 15, 10:37 PM CST | Dense Fog Advisory | BMX | 11 hr |
| Nov 19, 2:35 AM CST | Red Flag Warning | BMX | 14 hr |
| Nov 19, 3:02 AM CST | Freeze Watch | BMX | 24 hr |
| Nov 20, 2:46 AM CST | Freeze Warning | BMX | 29 hr |
| Nov 28, 3:34 AM CST | Wind Advisory | BMX | 20 hr |
| Nov 28, 11:38 PM CST | Mesoscale Discussion | SPC | 3 hr |
| Nov 30, 9:00 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Nov 30, 11:06 AM CST | Tornado Watch | SPC | 6 hr |
| Nov 30, 11:29 AM CST | Special Weather Statement | BMX | 46 min |
| Dec 5, 7:14 AM CST | Dense Fog Advisory | BMX | 2 hr |
| Dec 13, 7:15 AM CST | Dense Fog Advisory | BMX | 105 min |
| Dec 20, 2:49 PM CST | Dense Fog Advisory | BMX | 18 hr |
| Dec 24, 8:44 PM CST | Dense Fog Advisory | BMX | 12 hr |
| Dec 27, 5:12 AM CST | Dense Fog Advisory | BMX | 4 hr |
| Dec 28, 1:55 AM CST | Dense Fog Advisory | BMX | 7 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 | 11 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 27 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 5 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 6 |
| Heat | |
| Heat Advisory | 11 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 15 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.