Alert archive / Georgia / Polk County
Weather alerts in Polk County, Georgia, 2018
116 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Polk County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 116
- Warnings
- 24
- Watches
- 23
- Advisories
- 20
- Busiest month
- March22 alerts
- Busiest day
- March 20, 20188 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 Polk County in 2018 had a tornado report inside them.
Polk County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 5 | 4 | 20% | 0 | ||
| Flash flood warnings | 4 | 2 | 50% | 1 | 100% | 197 min |
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 1, 2:40 AM EST | Wind Chill Advisory | FFC | 31 hr |
| Jan 3, 3:58 AM EST | Wind Chill Advisory | FFC | 32 hr |
| Jan 4, 4:40 AM EST | Wind Chill Advisory | FFC | 28 hr |
| Jan 7, 3:34 AM EST | Winter Weather Advisory | FFC | 33 hr |
| Jan 8, 4:20 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 11, 10:39 PM EST | Dense Fog Advisory | FFC | 8 hr |
| Jan 15, 2:25 PM EST | Winter Weather Advisory | FFC | 46 hr |
| Jan 16, 3:30 AM EST | Wind Chill Advisory | FFC | 55 hr |
| Feb 9, 3:51 AM EST | Flood Watch | FFC | 3 days |
| Feb 25, 5:30 AM EST | Special Weather Statement | FFC | 45 min |
| Mar 1, 10:17 AM EST | Special Weather Statement | FFC | 43 min |
| Mar 2, 2:06 PM EST | Freeze Watch | FFC | 9 hr |
| Mar 7, 12:13 PM EST | Freeze Watch | FFC | 8 hr |
| Mar 7, 7:47 PM EST | Freeze Watch | FFC | 7 hr |
| Mar 7, 7:47 PM EST | Freeze Warning | FFC | 13 hr |
| Mar 8, 2:23 AM EST | Freeze Warning | FFC | 31 hr |
| Mar 12, 3:31 AM EDT | Wind Advisory | FFC | 22 hr |
| Mar 12, 3:01 PM EDT | Freeze Watch | FFC | 25 hr |
| Mar 12, 3:01 PM EDT | Freeze Warning | FFC | 19 hr |
| Mar 13, 4:11 PM EDT | Freeze Watch | FFC | 18 hr |
| Mar 13, 4:11 PM EDT | Freeze Warning | FFC | 18 hr |
| Mar 14, 10:32 AM EDT | Freeze Warning | FFC | 23 hr |
| Mar 19, 10:52 AM EDT | Mesoscale Discussion | SPC | 83 min |
| Mar 19, 8:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Mar 19, 9:08 PM EDT | Tornado Watch | SPC | 7 hr |
| Mar 19, 9:36 PM EDT | Severe Thunderstorm Warning | FFC | 39 min |
| Mar 19, 9:43 PM EDT | Tornado Warning | FFC | 47 min |
| Mar 19, 9:51 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Mar 19, 10:14 PM EDT | Severe Thunderstorm Warning | FFC | 46 min |
| Mar 20, 5:55 AM EDT | Dense Fog Advisory | FFC | 4 hr |
| Mar 20, 3:32 PM EDT | Wind Advisory | FFC | 28 hr |
| Mar 21, 2:57 PM EDT | Freeze Warning | FFC | 19 hr |
| Apr 3, 10:47 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 4, 12:09 AM EDT | Mesoscale Discussion | SPC | 66 min |
| Apr 4, 1:21 AM EDT | Special Weather Statement | FFC | 39 min |
| Apr 4, 2:00 AM EDT | Mesoscale Discussion | SPC | 105 min |
| Apr 4, 3:40 AM EDT | Freeze Warning | FFC | 29 hr |
| Apr 6, 4:03 AM EDT | Freeze Watch | FFC | 23 hr |
| Apr 7, 3:31 AM EDT | Freeze Warning | FFC | 30 hr |
| Apr 14, 8:29 PM EDT | Special Weather Statement | FFC | 46 min |
| Apr 14, 9:15 PM EDT | Special Weather Statement | FFC | 30 min |
| Apr 15, 9:47 PM EDT | Wind Advisory | FFC | 24 hr |
| Apr 22, 3:32 AM EDT | Flood Watch | FFC | 44 hr |
| Apr 22, 3:57 AM EDT | Wind Advisory | FFC | 29 hr |
| May 18, 10:45 PM EDT | Special Weather Statement | FFC | 30 min |
| May 18, 11:15 PM EDT | Special Weather Statement | FFC | 30 min |
| May 27, 3:20 PM EDT | Flash Flood Watch | FFC | 3 days |
| May 29, 2:38 PM EDT | Mesoscale Discussion | SPC | 97 min |
| May 30, 12:47 AM EDT | Special Weather Statement | FFC | 43 min |
| Jun 1, 1:25 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 1, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 1, 3:00 PM EDT | Special Weather Statement | FFC | 30 min |
| Jun 1, 3:17 PM EDT | Severe Thunderstorm Warning | FFC | 28 min |
| Jun 3, 3:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 10, 6:00 PM EDT | Special Weather Statement | FFC | 30 min |
| Jun 10, 6:47 PM EDT | Special Weather Statement | FFC | 28 min |
| Jun 16, 6:12 PM EDT | Special Weather Statement | FFC | 33 min |
| Jun 16, 6:43 PM EDT | Special Weather Statement | FFC | 32 min |
| Jun 21, 3:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Jun 27, 4:10 PM EDT | Severe Thunderstorm Warning | FFC | 50 min |
| Jun 27, 10:13 PM EDT | Special Weather Statement | FFC | 32 min |
| Jun 27, 10:45 PM EDT | Special Weather Statement | FFC | 45 min |
| Jun 28, 11:22 AM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 28, 11:46 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 28, 1:41 PM EDT | Severe Thunderstorm Warning | FFC | 49 min |
| Jul 4, 1:31 AM EDT | Special Weather Statement | FFC | 29 min |
| Jul 4, 1:55 AM EDT | Special Weather Statement | FFC | 35 min |
| Jul 5, 5:31 PM EDT | Special Weather Statement | FFC | 29 min |
| Jul 5, 6:02 PM EDT | Special Weather Statement | FFC | 28 min |
| Jul 6, 4:00 PM EDT | Special Weather Statement | FFC | 30 min |
| Jul 16, 8:19 PM EDT | Special Weather Statement | FFC | 26 min |
| Jul 16, 9:19 PM EDT | Flash Flood Warning | FFC | 6 hr |
| Jul 21, 3:00 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 21, 5:35 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 21, 6:17 AM EDT | Special Weather Statement | FFC | 28 min |
| Jul 21, 3:37 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 5:42 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 21, 7:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 30, 6:37 PM EDT | Special Weather Statement | FFC | 23 min |
| Jul 30, 7:13 PM EDT | Special Weather Statement | FFC | 32 min |
| Jul 31, 3:50 AM EDT | Flash Flood Watch | FFC | 3 days |
| Jul 31, 12:49 PM EDT | Special Weather Statement | FFC | 41 min |
| Jul 31, 1:32 PM EDT | Special Weather Statement | FFC | 28 min |
| Jul 31, 1:51 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 31, 2:05 PM EDT | Special Weather Statement | FFC | 40 min |
| Jul 31, 2:13 PM EDT | Flash Flood Warning | FFC | 6 hr |
| Jul 31, 8:17 PM EDT | Flash Flood Warning | FFC | 58 min |
| Aug 8, 5:31 PM EDT | Special Weather Statement | FFC | 29 min |
| Aug 9, 2:37 PM EDT | Special Weather Statement | FFC | 38 min |
| Aug 29, 4:05 PM EDT | Special Weather Statement | FFC | 25 min |
| Aug 29, 4:48 PM EDT | Special Weather Statement | FFC | 27 min |
| Sep 26, 3:44 AM EDT | Flash Flood Watch | FFC | 40 hr |
| Sep 27, 3:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 10, 11:10 PM EDT | Areal Flood Warning | FFC | 6 hr |
| Oct 21, 3:01 PM EDT | Frost Advisory | FFC | 17 hr |
| Nov 1, 1:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Nov 8, 3:07 PM EST | Freeze Watch | FFC | 13 hr |
| Nov 9, 4:10 AM EST | Freeze Watch | FFC | 30 hr |
| Nov 9, 4:10 AM EST | Freeze Warning | FFC | 30 hr |
| Nov 10, 10:24 AM EST | Freeze Warning | FFC | 24 hr |
| Nov 12, 2:27 PM EST | Flood Watch | FFC | 12 hr |
| Nov 12, 4:00 PM EST | River Flood Warning | FFC | 24 hr |
| Nov 12, 4:39 PM EST | Flash Flood Warning | FFC | 6 hr |
| Nov 12, 9:26 PM EST | River Flood Warning | FFC | 24 hr |
| Nov 13, 2:20 PM EST | Flash Flood Watch | FFC | 41 hr |
| Nov 15, 3:28 AM EST | Freeze Warning | FFC | 29 hr |
| Nov 16, 2:18 PM EST | Frost Advisory | FFC | 19 hr |
| Nov 25, 12:10 AM EST | Dense Fog Advisory | FFC | 11 hr |
| Dec 1, 4:39 PM EST | Special Weather Statement | FFC | 36 min |
| Dec 7, 12:45 PM EST | Flood Watch | FFC | 45 hr |
| Dec 8, 4:10 AM EST | Wind Advisory | FFC | 32 hr |
| Dec 21, 3:39 AM EST | Wind Advisory | FFC | 15 hr |
| Dec 26, 2:26 PM EST | Flash Flood Watch | FFC | 50 hr |
| Dec 26, 2:35 PM EST | Wind Advisory | FFC | 40 hr |
| Dec 28, 9:12 PM EST | Dense Fog Advisory | FFC | 12 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 | 5 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 32 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 4 |
| River Flood Warning | 2 |
| Flash Flood Watch | 5 |
| Flood Watch | 4 |
| Winter | |
| Winter Weather Advisory | 2 |
| Cold | |
| Freeze Warning | 11 |
| Freeze Watch | 8 |
| Frost Advisory | 2 |
| Wind Chill Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
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.