Alert archive / Georgia / Chattahoochee County
Weather alerts in Chattahoochee County, Georgia, 2016
94 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Chattahoochee County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 94
- Warnings
- 19
- Watches
- 11
- Advisories
- 16
- Busiest month
- April18 alerts
- Busiest day
- April 1, 201611 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Chattahoochee County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 14 | 7 | 50% | 2 | 100% | 38 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Atlanta, GA: tornado warnings | 20 | 8 | 60% | 20 | 85% | 7 min |
| NWS Atlanta, GA: severe thunderstorm warnings | 286 | 190 | 34% | 426 | 75% | 16 min |
| NWS Atlanta, GA: flash flood warnings | 13 | 2 | 85% | 3 | 67% | 19 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 15, 8:00 AM EST | Special Weather Statement | FFC | 60 min |
| Jan 22, 3:46 AM EST | Special Weather Statement | FFC | 29 min |
| Jan 22, 4:24 AM EST | Special Weather Statement | FFC | 51 min |
| Jan 22, 5:20 AM EST | Special Weather Statement | FFC | 40 min |
| Jan 22, 2:52 PM EST | Wind Advisory | FFC | 28 hr |
| Feb 1, 9:03 PM EST | Dense Fog Advisory | FFC | 12 hr |
| Feb 3, 5:02 AM EST | Flash Flood Watch | FFC | 17 hr |
| Feb 3, 8:54 AM EST | Special Weather Statement | FFC | 51 min |
| Feb 15, 7:55 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 15, 8:08 PM EST | Severe Thunderstorm Warning | FFC | 37 min |
| Feb 23, 1:23 PM EST | Wind Advisory | FFC | 36 hr |
| Feb 23, 10:07 PM EST | Mesoscale Discussion | SPC | 53 min |
| Feb 24, 12:14 AM EST | Tornado Watch | SPC | 6 hr |
| Mar 1, 9:42 PM EST | Mesoscale Discussion | SPC | 63 min |
| Mar 1, 10:09 PM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 3, 4:56 PM EST | Special Weather Statement | FFC | 49 min |
| Mar 21, 10:53 AM EDT | Frost Advisory | FFC | 23 hr |
| Mar 24, 5:15 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Mar 24, 7:59 PM EDT | Wind Advisory | FFC | 87 min |
| Mar 30, 2:56 PM EDT | Flash Flood Watch | FFC | 57 hr |
| Mar 31, 8:41 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Mar 31, 9:14 PM EDT | Tornado Watch | SPC | 18 hr |
| Mar 31, 11:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Apr 1, 1:20 AM EDT | Special Weather Statement | FFC | 40 min |
| Apr 1, 1:49 AM EDT | Special Weather Statement | FFC | 41 min |
| Apr 1, 3:03 AM EDT | Mesoscale Discussion | SPC | 57 min |
| Apr 1, 5:46 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Apr 1, 7:26 AM EDT | Tornado Watch | SPC | 12 hr |
| Apr 1, 10:02 AM EDT | River Flood Warning | FFC | 31 hr |
| Apr 1, 11:40 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 11:48 AM EDT | Special Weather Statement | FFC | 42 min |
| Apr 6, 8:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 6, 11:40 PM EDT | Special Weather Statement | FFC | 35 min |
| Apr 6, 11:51 PM EDT | Severe Thunderstorm Warning | FFC | 39 min |
| Apr 7, 1:15 AM EDT | Severe Thunderstorm Warning | FFC | 45 min |
| Apr 7, 1:17 AM EDT | Mesoscale Discussion | SPC | 58 min |
| Apr 9, 12:12 AM EDT | Red Flag Warning | FFC | 19 hr |
| Apr 27, 8:41 PM EDT | Special Weather Statement | FFC | 49 min |
| May 4, 2:26 PM EDT | Wind Advisory | FFC | 33 hr |
| May 6, 3:52 AM EDT | Wind Advisory | FFC | 16 hr |
| May 19, 5:52 PM EDT | Special Weather Statement | FFC | 38 min |
| Jun 7, 4:12 AM EDT | Dense Fog Advisory | FFC | 6 hr |
| Jun 11, 3:52 PM EDT | Special Weather Statement | FFC | 38 min |
| Jun 11, 4:11 PM EDT | Severe Thunderstorm Warning | FFC | 49 min |
| Jun 11, 4:53 PM EDT | Severe Thunderstorm Warning | FFC | 33 min |
| Jun 16, 8:42 PM EDT | Severe Thunderstorm Warning | FFC | 48 min |
| Jun 17, 12:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 17, 1:52 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 17, 6:19 PM EDT | Special Weather Statement | FFC | 56 min |
| Jun 17, 6:31 PM EDT | Severe Thunderstorm Warning | FFC | 44 min |
| Jun 17, 7:13 PM EDT | Special Weather Statement | FFC | 62 min |
| Jun 25, 4:56 PM EDT | Severe Thunderstorm Warning | FFC | 34 min |
| Jun 25, 6:28 PM EDT | Severe Thunderstorm Warning | FFC | 47 min |
| Jun 26, 4:39 PM EDT | Special Weather Statement | FFC | 36 min |
| Jun 28, 8:01 PM EDT | Special Weather Statement | FFC | 29 min |
| Jul 5, 1:45 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 6, 1:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 6, 1:53 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jul 6, 2:22 PM EDT | Severe Thunderstorm Warning | FFC | 38 min |
| Jul 6, 2:53 PM EDT | Special Weather Statement | FFC | 37 min |
| Jul 6, 2:57 PM EDT | Severe Thunderstorm Warning | FFC | 48 min |
| Jul 9, 3:42 AM EDT | Heat Advisory | FFC | 16 hr |
| Jul 9, 2:30 PM EDT | Severe Thunderstorm Warning | FFC | 45 min |
| Jul 9, 3:06 PM EDT | Special Weather Statement | FFC | 24 min |
| Jul 11, 3:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 12, 5:47 PM EDT | Special Weather Statement | FFC | 43 min |
| Jul 19, 2:20 PM EDT | Special Weather Statement | FFC | 25 min |
| Jul 21, 2:17 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jul 21, 4:43 PM EDT | Severe Thunderstorm Warning | FFC | 47 min |
| Jul 21, 4:49 PM EDT | Special Weather Statement | BMX | 26 min |
| Jul 21, 5:45 PM EDT | Severe Thunderstorm Warning | FFC | 45 min |
| Jul 21, 6:11 PM EDT | Special Weather Statement | FFC | 34 min |
| Jul 31, 4:40 PM EDT | Special Weather Statement | FFC | 50 min |
| Aug 2, 5:40 PM EDT | Special Weather Statement | FFC | 35 min |
| Aug 13, 6:17 PM EDT | Special Weather Statement | FFC | 43 min |
| Sep 12, 6:45 PM EDT | Special Weather Statement | FFC | 30 min |
| Sep 25, 2:44 PM EDT | Special Weather Statement | FFC | 31 min |
| Sep 25, 3:04 PM EDT | Special Weather Statement | FFC | 26 min |
| Oct 8, 12:09 PM EDT | Wind Advisory | FFC | 7 hr |
| Oct 21, 6:31 AM EDT | Wind Advisory | FFC | 11 hr |
| Nov 3, 2:47 PM EDT | Red Flag Warning | FFC | 28 hr |
| Nov 12, 11:08 AM EST | Wind Advisory | FFC | 7 hr |
| Nov 18, 2:52 PM EST | Wind Advisory | FFC | 42 hr |
| Nov 18, 10:12 PM EST | Fire Weather Watch | FFC | 17 hr |
| Nov 19, 2:59 AM EST | Red Flag Warning | FFC | 22 hr |
| Nov 19, 2:49 PM EST | Red Flag Warning | FFC | 28 hr |
| Nov 30, 12:06 PM EST | Tornado Watch | SPC | 6 hr |
| Nov 30, 1:59 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 30, 2:55 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 30, 3:04 PM EST | Special Weather Statement | FFC | 26 min |
| Nov 30, 3:29 PM EST | Special Weather Statement | FFC | 46 min |
| Dec 24, 8:44 AM EST | Dense Fog Advisory | FFC | 76 min |
| Dec 25, 3:48 AM EST | Dense Fog Advisory | FFC | 6 hr |
| Dec 26, 9:22 PM EST | Dense Fog Advisory | FFC | 12 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 | 14 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 31 |
| Flooding | |
| River Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 9 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 1 |
| 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 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.