Alert archive / Georgia / Montgomery County
Weather alerts in Montgomery County, Georgia, 2018
110 weather alerts in 2018, 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 2018. Tap one for its archive.
- Alerts
- 110
- Warnings
- 22
- Watches
- 13
- Advisories
- 14
- Busiest month
- June19 alerts
- Busiest day
- December 2, 20187 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Montgomery County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 12 | 8 | 33% | 9 | 78% | 17 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Atlanta, GA: tornado warnings | 25 | 7 | 72% | 14 | 71% | 10 min |
| NWS Atlanta, GA: severe thunderstorm warnings | 341 | 219 | 36% | 841 | 70% | 17 min |
| NWS Atlanta, GA: flash flood warnings | 50 | 28 | 44% | 93 | 67% | 109 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 2, 2:19 PM EST | Winter Weather Advisory | FFC | 24 hr |
| Feb 4, 11:29 AM EST | Special Weather Statement | FFC | 31 min |
| Feb 7, 1:29 PM EST | Special Weather Statement | FFC | 46 min |
| Feb 23, 6:28 AM EST | Dense Fog Advisory | FFC | 3 hr |
| Mar 1, 3:43 AM EST | Wind Advisory | FFC | 14 hr |
| Mar 8, 2:23 AM EST | Freeze Warning | FFC | 31 hr |
| Mar 12, 3:31 AM EDT | Wind Advisory | FFC | 22 hr |
| Mar 13, 4:11 PM EDT | Frost Advisory | FFC | 18 hr |
| Mar 13, 4:11 PM EDT | Freeze Watch | FFC | 18 hr |
| Mar 14, 10:32 AM EDT | Freeze Warning | FFC | 23 hr |
| Mar 20, 1:51 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 20, 4:54 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Mar 20, 12:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Mar 20, 3:32 PM EDT | Wind Advisory | FFC | 28 hr |
| Apr 15, 9:34 AM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 15, 10:12 AM EDT | Tornado Watch | SPC | 8 hr |
| Apr 15, 11:05 AM EDT | Special Weather Statement | FFC | 25 min |
| Apr 15, 11:18 AM EDT | Severe Thunderstorm Warning | FFC | 42 min |
| Apr 15, 11:51 AM EDT | Severe Thunderstorm Warning | FFC | 39 min |
| Apr 15, 9:47 PM EDT | Wind Advisory | FFC | 24 hr |
| Apr 23, 3:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 23, 6:51 PM EDT | Severe Thunderstorm Warning | FFC | 24 min |
| Apr 23, 7:15 PM EDT | Special Weather Statement | FFC | 45 min |
| Apr 23, 7:32 PM EDT | Severe Thunderstorm Warning | FFC | 28 min |
| Apr 23, 10:14 PM EDT | Special Weather Statement | FFC | 46 min |
| May 16, 3:54 PM EDT | Special Weather Statement | FFC | 51 min |
| May 19, 8:37 PM EDT | Special Weather Statement | FFC | 23 min |
| May 23, 2:31 PM EDT | Flash Flood Watch | FFC | 20 hr |
| May 24, 12:12 PM EDT | Flash Flood Watch | FFC | 39 hr |
| May 28, 2:48 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 1, 5:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 8:13 PM EDT | Special Weather Statement | FFC | 32 min |
| Jun 2, 11:55 AM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 2, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 2, 3:04 PM EDT | Special Weather Statement | FFC | 26 min |
| Jun 2, 3:10 PM EDT | Severe Thunderstorm Warning | FFC | 35 min |
| Jun 2, 4:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 9, 6:42 PM EDT | Special Weather Statement | FFC | 48 min |
| Jun 11, 9:41 PM EDT | Special Weather Statement | FFC | 34 min |
| Jun 14, 3:27 PM EDT | Special Weather Statement | FFC | 33 min |
| Jun 14, 4:10 PM EDT | Special Weather Statement | FFC | 35 min |
| Jun 14, 4:33 PM EDT | Severe Thunderstorm Warning | FFC | 42 min |
| Jun 23, 4:13 PM EDT | Special Weather Statement | FFC | 47 min |
| Jun 24, 4:23 AM EDT | Heat Advisory | FFC | 16 hr |
| Jun 25, 4:26 AM EDT | Heat Advisory | FFC | 16 hr |
| Jun 25, 7:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 25, 8:31 PM EDT | Special Weather Statement | FFC | 44 min |
| Jun 27, 5:58 PM EDT | Severe Thunderstorm Warning | FFC | 32 min |
| Jun 28, 3:15 PM EDT | Severe Thunderstorm Warning | FFC | 30 min |
| Jul 3, 4:52 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jul 6, 9:35 PM EDT | Special Weather Statement | FFC | 25 min |
| Jul 6, 10:07 PM EDT | Special Weather Statement | FFC | 38 min |
| Jul 7, 5:45 PM EDT | Special Weather Statement | FFC | 30 min |
| Jul 15, 6:58 PM EDT | Special Weather Statement | FFC | 32 min |
| Jul 16, 4:47 PM EDT | Special Weather Statement | FFC | 28 min |
| Jul 16, 5:21 PM EDT | Special Weather Statement | FFC | 24 min |
| Jul 17, 2:11 PM EDT | Severe Thunderstorm Warning | FFC | 22 min |
| Jul 17, 6:16 PM EDT | Special Weather Statement | FFC | 29 min |
| Jul 21, 8:10 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 10:00 AM EDT | Special Weather Statement | FFC | 30 min |
| Jul 29, 4:12 PM EDT | Special Weather Statement | FFC | 33 min |
| Jul 29, 5:00 PM EDT | Special Weather Statement | FFC | 30 min |
| Jul 29, 5:24 PM EDT | Special Weather Statement | FFC | 36 min |
| Aug 1, 1:23 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 2, 1:28 PM EDT | Special Weather Statement | FFC | 47 min |
| Aug 2, 2:37 PM EDT | Special Weather Statement | FFC | 38 min |
| Aug 6, 4:06 PM EDT | Special Weather Statement | FFC | 24 min |
| Aug 6, 4:32 PM EDT | Special Weather Statement | FFC | 28 min |
| Aug 6, 4:38 PM EDT | Severe Thunderstorm Warning | FFC | 52 min |
| Aug 6, 5:01 PM EDT | Severe Thunderstorm Warning | FFC | 29 min |
| Aug 7, 3:32 AM EDT | Heat Advisory | FFC | 15 hr |
| Aug 9, 3:19 PM EDT | Special Weather Statement | FFC | 26 min |
| Aug 9, 3:46 PM EDT | Severe Thunderstorm Warning | FFC | 29 min |
| Aug 9, 6:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 8:27 PM EDT | Special Weather Statement | FFC | 48 min |
| Aug 14, 9:08 PM EDT | Special Weather Statement | FFC | 52 min |
| Aug 14, 9:48 PM EDT | Areal Flood Warning | FFC | 4 hr |
| Aug 18, 4:08 PM EDT | Special Weather Statement | FFC | 37 min |
| Aug 30, 5:50 PM EDT | Special Weather Statement | FFC | 25 min |
| Sep 1, 2:13 PM EDT | Special Weather Statement | FFC | 32 min |
| Sep 3, 2:31 PM EDT | Special Weather Statement | FFC | 44 min |
| Sep 11, 5:20 PM EDT | Special Weather Statement | FFC | 40 min |
| Sep 18, 4:02 AM EDT | Special Weather Statement | FFC | 28 min |
| Sep 27, 3:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 9, 3:57 AM EDT | Flash Flood Watch | FFC | 51 hr |
| Oct 9, 6:21 AM EDT | Tropical Storm Watch | FFC | 11 hr |
| Oct 9, 1:55 PM EDT | Tropical Storm Warning | FFC | 42 hr |
| Oct 10, 1:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 10, 2:44 PM EDT | Tornado Watch | SPC | 11 hr |
| Oct 10, 4:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Oct 10, 9:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Nov 7, 6:30 PM EST | Mesoscale Discussion | SPC | 90 min |
| Nov 15, 3:28 AM EST | Freeze Warning | FFC | 29 hr |
| Nov 16, 2:18 PM EST | Frost Advisory | FFC | 19 hr |
| Nov 18, 8:59 AM EST | River Flood Warning | JAX | 9 days |
| Nov 22, 7:19 AM EST | River Flood Warning | FFC | 6 hr |
| Nov 22, 1:24 PM EST | River Flood Warning | FFC | 6 hr |
| Nov 25, 12:10 AM EST | Dense Fog Advisory | FFC | 11 hr |
| Dec 2, 12:37 AM EST | Flash Flood Watch | FFC | 15 hr |
| Dec 2, 3:03 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Dec 2, 3:48 AM EST | Tornado Watch | SPC | 7 hr |
| Dec 2, 4:32 AM EST | Special Weather Statement | FFC | 28 min |
| Dec 2, 5:00 AM EST | Special Weather Statement | FFC | 30 min |
| Dec 2, 10:00 AM EST | Tornado Watch | SPC | 8 hr |
| Dec 2, 12:32 PM EST | Mesoscale Discussion | SPC | 88 min |
| Dec 4, 9:50 AM EST | River Flood Warning | JAX | 47 days |
| Dec 7, 12:45 PM EST | Flood Watch | FFC | 45 hr |
| Dec 16, 1:29 AM EST | River Flood Warning | FFC | 4 days |
| Dec 21, 3:39 AM EST | Wind Advisory | FFC | 15 hr |
| Dec 30, 1:58 PM EST | Dense Fog Advisory | FFC | 19 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 | 12 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 20 |
| Special Weather Statement | 41 |
| Flooding | |
| Areal Flood Warning | 1 |
| River Flood Warning | 5 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 5 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.