Alert archive / Georgia / Montgomery County
Weather alerts in Montgomery County, Georgia, 2015
119 weather alerts in 2015, 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 2015. Tap one for its archive.
- Alerts
- 119
- Warnings
- 11
- Watches
- 12
- Advisories
- 39
- Busiest month
- July26 alerts
- Busiest day
- April 25, 20157 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado warnings covering Montgomery County in 2015 had a tornado report inside them.
Montgomery County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 4 | 4 | 0% | 0 | ||
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Atlanta, GA: tornado warnings | 16 | 5 | 69% | 17 | 41% | 9 min |
| NWS Atlanta, GA: severe thunderstorm warnings | 374 | 223 | 40% | 483 | 74% | 16 min |
| NWS Atlanta, GA: flash flood warnings | 58 | 18 | 69% | 44 | 82% | 106 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 4, 10:28 AM EST | Mesoscale Discussion | SPC | 92 min |
| Jan 4, 11:37 AM EST | Tornado Watch | SPC | 5 hr |
| Jan 6, 5:17 PM EST | Wind Advisory | FFC | 32 hr |
| Jan 7, 3:28 AM EST | Wind Chill Advisory | FFC | 31 hr |
| Jan 24, 9:11 AM EST | Wind Advisory | FFC | 9 hr |
| Jan 26, 3:41 AM EST | Wind Advisory | FFC | 16 hr |
| Feb 2, 3:27 AM EST | Wind Advisory | FFC | 15 hr |
| Feb 11, 10:06 PM EST | Wind Advisory | FFC | 20 hr |
| Feb 18, 2:31 AM EST | Wind Chill Advisory | FFC | 35 hr |
| Feb 18, 2:35 AM EST | Wind Advisory | FFC | 16 hr |
| Mar 2, 4:17 AM EST | Dense Fog Advisory | FFC | 5 hr |
| Mar 2, 9:22 AM EST | River Flood Warning | JAX | 9 days |
| Mar 11, 7:21 AM EDT | Dense Fog Advisory | FFC | 3 hr |
| Mar 12, 12:31 AM EDT | Dense Fog Advisory | FFC | 9 hr |
| Mar 31, 1:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Mar 31, 2:22 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Mar 31, 4:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Mar 31, 7:00 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Mar 31, 9:08 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Mar 31, 9:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Mar 31, 9:30 PM EDT | Special Weather Statement | FFC | 30 min |
| Mar 31, 10:07 PM EDT | Severe Thunderstorm Warning | FFC | 38 min |
| Apr 12, 2:52 PM EDT | Special Weather Statement | FFC | 53 min |
| Apr 12, 3:50 PM EDT | Special Weather Statement | FFC | 55 min |
| Apr 14, 10:20 PM EDT | Special Weather Statement | FFC | 40 min |
| Apr 19, 8:01 AM EDT | Flash Flood Watch | FFC | 10 hr |
| Apr 19, 12:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 19, 1:04 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 25, 10:31 AM EDT | Special Weather Statement | FFC | 29 min |
| Apr 25, 10:58 AM EDT | Special Weather Statement | FFC | 32 min |
| Apr 25, 5:38 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 25, 7:08 PM EDT | Severe Thunderstorm Warning | FFC | 52 min |
| Apr 25, 7:19 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 25, 7:55 PM EDT | Severe Thunderstorm Warning | FFC | 50 min |
| Apr 25, 7:57 PM EDT | Severe Thunderstorm Warning | FFC | 63 min |
| Apr 25, 8:40 PM EDT | Special Weather Statement | FFC | 35 min |
| Apr 26, 10:20 PM EDT | River Flood Warning | JAX | 9 days |
| May 12, 1:55 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 26, 7:27 PM EDT | Special Weather Statement | FFC | 33 min |
| May 26, 7:53 PM EDT | Special Weather Statement | FFC | 37 min |
| May 26, 8:52 PM EDT | Special Weather Statement | FFC | 53 min |
| Jun 9, 6:05 PM EDT | Special Weather Statement | FFC | 25 min |
| Jun 16, 2:42 AM EDT | Heat Advisory | FFC | 17 hr |
| Jun 17, 3:25 AM EDT | Heat Advisory | FFC | 17 hr |
| Jun 18, 3:25 AM EDT | Heat Advisory | FFC | 17 hr |
| Jun 21, 2:24 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 21, 2:49 PM EDT | Heat Advisory | FFC | 29 hr |
| Jun 22, 2:49 PM EDT | Heat Advisory | FFC | 29 hr |
| Jun 22, 4:47 PM EDT | Special Weather Statement | FFC | 28 min |
| Jun 22, 5:24 PM EDT | Special Weather Statement | FFC | 36 min |
| Jun 23, 3:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 23, 3:32 PM EDT | Heat Advisory | FFC | 28 hr |
| Jun 24, 9:08 PM EDT | Special Weather Statement | FFC | 37 min |
| Jun 24, 9:47 PM EDT | Special Weather Statement | FFC | 28 min |
| Jun 25, 2:19 PM EDT | Special Weather Statement | FFC | 26 min |
| Jun 30, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 30, 3:18 PM EDT | Special Weather Statement | FFC | 27 min |
| Jun 30, 4:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 2, 1:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 2, 4:48 PM EDT | Special Weather Statement | FFC | 57 min |
| Jul 2, 6:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 3, 10:26 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 3, 11:05 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 3, 1:35 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Jul 10, 5:39 PM EDT | Special Weather Statement | FFC | 36 min |
| Jul 11, 3:28 AM EDT | Heat Advisory | FFC | 17 hr |
| Jul 13, 3:35 AM EDT | Heat Advisory | FFC | 15 hr |
| Jul 14, 3:24 AM EDT | Heat Advisory | FFC | 16 hr |
| Jul 14, 2:31 PM EDT | Special Weather Statement | FFC | 59 min |
| Jul 15, 3:34 AM EDT | Heat Advisory | FFC | 15 hr |
| Jul 15, 1:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 16, 3:29 AM EDT | Heat Advisory | FFC | 16 hr |
| Jul 16, 4:19 PM EDT | Heat Advisory | FFC | 27 hr |
| Jul 19, 4:03 AM EDT | Heat Advisory | FFC | 15 hr |
| Jul 19, 2:03 PM EDT | Heat Advisory | FFC | 29 hr |
| Jul 19, 4:36 PM EDT | Special Weather Statement | FFC | 24 min |
| Jul 19, 5:05 PM EDT | Special Weather Statement | FFC | 25 min |
| Jul 19, 5:32 PM EDT | Special Weather Statement | FFC | 43 min |
| Jul 21, 3:53 AM EDT | Heat Advisory | FFC | 15 hr |
| Jul 21, 3:10 PM EDT | Special Weather Statement | FFC | 50 min |
| Jul 22, 4:02 AM EDT | Heat Advisory | FFC | 16 hr |
| Jul 23, 3:52 AM EDT | Heat Advisory | FFC | 14 hr |
| Jul 29, 2:17 AM EDT | Heat Advisory | FFC | 18 hr |
| Jul 31, 12:40 PM EDT | Special Weather Statement | FFC | 35 min |
| Aug 6, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 6, 8:18 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Aug 18, 4:38 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 18, 6:44 PM EDT | Special Weather Statement | FFC | 46 min |
| Aug 23, 12:49 PM EDT | Special Weather Statement | FFC | 41 min |
| Aug 23, 1:30 PM EDT | Special Weather Statement | FFC | 45 min |
| Aug 23, 1:33 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 4:08 PM EDT | Special Weather Statement | FFC | 52 min |
| Sep 2, 9:35 AM EDT | Special Weather Statement | FFC | 40 min |
| Sep 2, 10:17 AM EDT | Special Weather Statement | FFC | 88 min |
| Sep 29, 7:16 PM EDT | Special Weather Statement | FFC | 44 min |
| Sep 30, 12:55 AM EDT | Dense Fog Advisory | FFC | 9 hr |
| Oct 9, 5:39 AM EDT | Dense Fog Advisory | FFC | 4 hr |
| Oct 10, 8:40 AM EDT | Special Weather Statement | FFC | 50 min |
| Oct 12, 4:13 AM EDT | Dense Fog Advisory | FFC | 6 hr |
| Oct 14, 3:25 AM EDT | Dense Fog Advisory | FFC | 6 hr |
| Nov 2, 1:15 PM EST | Tornado Watch | SPC | 6 hr |
| Nov 2, 2:36 PM EST | Mesoscale Discussion | SPC | 84 min |
| Nov 2, 4:07 PM EST | Special Weather Statement | FFC | 23 min |
| Nov 2, 4:59 PM EST | Tornado Warning | FFC | 46 min |
| Nov 2, 6:05 PM EST | Mesoscale Discussion | SPC | 115 min |
| Nov 2, 9:18 PM EST | Dense Fog Advisory | FFC | 12 hr |
| Nov 8, 12:00 PM EST | Flood Watch | FFC | 22 hr |
| Nov 11, 1:14 AM EST | Dense Fog Advisory | FFC | 8 hr |
| Nov 14, 12:58 PM EST | Frost Advisory | FFC | 20 hr |
| Nov 16, 1:44 PM EST | River Flood Warning | JAX | 5 days |
| Nov 18, 8:16 PM EST | Tornado Watch | SPC | 5 hr |
| Nov 18, 11:42 PM EST | Mesoscale Discussion | SPC | 93 min |
| Dec 21, 2:33 PM EST | Flood Watch | FFC | 5 days |
| Dec 22, 10:34 PM EST | Dense Fog Advisory | FFC | 11 hr |
| Dec 23, 9:41 PM EST | River Flood Warning | FFC | 18 days |
| Dec 25, 9:27 AM EST | Dense Fog Advisory | FFC | 3 hr |
| Dec 25, 9:22 PM EST | Dense Fog Advisory | FFC | 15 hr |
| Dec 26, 9:41 PM EST | River Flood Warning | JAX | 21 days |
| Dec 28, 12:51 PM EST | River Flood Warning | FFC | 16 days |
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 | 4 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 34 |
| Flooding | |
| River Flood Warning | 6 |
| Flash Flood Watch | 1 |
| Flood Watch | 2 |
| Heat | |
| Heat Advisory | 18 |
| Cold | |
| Frost Advisory | 1 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 6 |
| Fog and smoke | |
| Dense Fog Advisory | 12 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.