Alert archive / Georgia / Rockdale County
Weather alerts in Rockdale County, Georgia, 2012
89 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Rockdale County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 89
- Warnings
- 11
- Watches
- 8
- Advisories
- 25
- Busiest month
- July20 alerts
- Busiest day
- January 21, 201210 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Rockdale County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 5 | 29% | 1 | 100% | 28 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Atlanta, GA: tornado warnings | 28 | 9 | 68% | 16 | 75% | 22 min |
| NWS Atlanta, GA: severe thunderstorm warnings | 350 | 215 | 39% | 421 | 75% | 15 min |
| NWS Atlanta, GA: flash flood warnings | 23 | 9 | 61% | 16 | 81% | 50 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 PM EST | Wind Advisory | FFC | 43 hr |
| Jan 8, 6:46 PM EST | Dense Fog Advisory | FFC | 15 hr |
| Jan 10, 4:55 AM EST | Dense Fog Advisory | FFC | 5 hr |
| Jan 11, 7:11 AM EST | Special Weather Statement | FFC | 34 min |
| Jan 11, 2:05 PM EST | Wind Advisory | FFC | 34 hr |
| Jan 21, 2:52 AM EST | Mesoscale Discussion | SPC | 113 min |
| Jan 21, 5:20 AM EST | Mesoscale Discussion | SPC | 55 min |
| Jan 21, 5:55 AM EST | Tornado Watch | SPC | 7 hr |
| Jan 21, 8:22 AM EST | Mesoscale Discussion | SPC | 83 min |
| Jan 21, 8:43 AM EST | Special Weather Statement | FFC | 47 min |
| Jan 21, 10:50 AM EST | Special Weather Statement | FFC | 40 min |
| Jan 21, 11:01 AM EST | Mesoscale Discussion | SPC | 59 min |
| Jan 21, 11:07 AM EST | Flash Flood Watch | FFC | 4 hr |
| Jan 21, 12:28 PM EST | Tornado Watch | SPC | 8 hr |
| Jan 21, 2:57 PM EST | Mesoscale Discussion | SPC | 63 min |
| Jan 21, 9:11 PM EST | Dense Fog Advisory | FFC | 13 hr |
| Jan 23, 7:48 PM EST | Dense Fog Advisory | FFC | 13 hr |
| Jan 26, 3:28 AM EST | Dense Fog Advisory | FFC | 6 hr |
| Jan 26, 3:16 PM EST | Mesoscale Discussion | SPC | 119 min |
| Feb 10, 2:29 PM EST | Wind Advisory | FFC | 32 hr |
| Feb 15, 4:54 AM EST | Dense Fog Advisory | FFC | 5 hr |
| Feb 24, 6:56 AM EST | Mesoscale Discussion | SPC | 94 min |
| Feb 24, 8:48 AM EST | Tornado Watch | SPC | 7 hr |
| Feb 24, 11:56 AM EST | Special Weather Statement | FFC | 34 min |
| Mar 1, 4:00 AM EST | Mesoscale Discussion | SPC | 90 min |
| Mar 2, 6:41 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 2, 10:54 PM EST | Tornado Watch | SPC | 6 hr |
| Mar 3, 12:40 AM EST | Mesoscale Discussion | SPC | 95 min |
| Mar 3, 2:48 AM EST | Special Weather Statement | FFC | 27 min |
| Mar 4, 4:15 AM EST | Freeze Watch | FFC | 53 hr |
| Mar 4, 4:15 AM EST | Wind Advisory | FFC | 14 hr |
| Mar 5, 3:55 AM EST | Freeze Warning | FFC | 29 hr |
| Mar 5, 3:55 AM EST | Wind Advisory | FFC | 12 hr |
| Mar 14, 4:23 AM EDT | Dense Fog Advisory | FFC | 6 hr |
| Mar 16, 1:40 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 16, 7:48 PM EDT | Special Weather Statement | FFC | 42 min |
| Apr 10, 2:58 PM EDT | Red Flag Warning | FFC | 28 hr |
| Apr 11, 2:10 AM EDT | Frost Advisory | FFC | 32 hr |
| Apr 16, 1:56 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 21, 3:16 PM EDT | Wind Advisory | FFC | 29 hr |
| Apr 21, 7:42 PM EDT | Special Weather Statement | FFC | 48 min |
| Apr 23, 4:30 AM EDT | Wind Advisory | FFC | 15 hr |
| Apr 25, 3:40 PM EDT | Wind Advisory | FFC | 28 hr |
| May 21, 5:10 PM EDT | Special Weather Statement | FFC | 35 min |
| Jun 3, 5:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 29, 3:21 PM EDT | Heat Advisory | FFC | 72 hr |
| Jun 29, 9:21 PM EDT | Excessive Heat Warning | FFC | 48 hr |
| Jul 1, 2:08 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 5, 7:17 PM EDT | Severe Thunderstorm Warning | FFC | 28 min |
| Jul 5, 7:20 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Jul 6, 6:57 PM EDT | Severe Thunderstorm Warning | FFC | 48 min |
| Jul 9, 4:09 PM EDT | Special Weather Statement | FFC | 36 min |
| Jul 9, 5:03 PM EDT | Special Weather Statement | FFC | 27 min |
| Jul 9, 8:20 PM EDT | Special Weather Statement | FFC | 25 min |
| Jul 10, 7:17 PM EDT | Special Weather Statement | FFC | 28 min |
| Jul 10, 7:41 PM EDT | Special Weather Statement | FFC | 19 min |
| Jul 12, 8:47 PM EDT | Special Weather Statement | FFC | 28 min |
| Jul 12, 9:12 PM EDT | Special Weather Statement | FFC | 33 min |
| Jul 17, 2:05 PM EDT | Severe Thunderstorm Warning | FFC | 40 min |
| Jul 17, 2:19 PM EDT | Severe Thunderstorm Warning | FFC | 26 min |
| Jul 17, 2:53 PM EDT | Special Weather Statement | FFC | 37 min |
| Jul 17, 3:14 PM EDT | Severe Thunderstorm Warning | FFC | 22 min |
| Jul 20, 3:17 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 12:19 AM EDT | Special Weather Statement | FFC | 26 min |
| Jul 25, 1:39 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 27, 4:35 PM EDT | Special Weather Statement | FFC | 25 min |
| Jul 27, 4:50 PM EDT | Severe Thunderstorm Warning | FFC | 40 min |
| Aug 1, 4:51 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Aug 1, 6:26 PM EDT | Special Weather Statement | FFC | 49 min |
| Aug 3, 6:51 PM EDT | Severe Thunderstorm Warning | FFC | 39 min |
| Aug 9, 1:16 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Sep 8, 2:03 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Sep 17, 6:39 PM EDT | Tornado Watch | SPC | 8 hr |
| Sep 17, 8:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 21, 7:54 AM EDT | Dense Fog Advisory | FFC | 2 hr |
| Oct 1, 1:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Oct 1, 2:16 PM EDT | Tornado Watch | SPC | 7 hr |
| Oct 1, 2:59 PM EDT | Special Weather Statement | FFC | 46 min |
| Oct 1, 4:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 1, 6:40 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Oct 2, 11:26 AM EDT | River Flood Warning | FFC | 8 hr |
| Oct 28, 11:28 AM EDT | Wind Advisory | FFC | 63 hr |
| Nov 7, 2:56 PM EST | Frost Advisory | FFC | 18 hr |
| Nov 8, 1:46 PM EST | Frost Advisory | FFC | 19 hr |
| Nov 16, 3:34 PM EST | Frost Advisory | FFC | 16 hr |
| Dec 19, 3:01 PM EST | Wind Advisory | FFC | 64 hr |
| Dec 20, 12:24 PM EST | Mesoscale Discussion | SPC | 66 min |
| Dec 24, 6:23 PM EST | Dense Fog Advisory | FFC | 16 hr |
| Dec 25, 3:08 PM EST | Wind Advisory | FFC | 31 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 | 7 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 25 |
| Special Weather Statement | 20 |
| Flooding | |
| River Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Heat | |
| Excessive Heat Warning | 1 |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 11 |
| Fire | |
| Red Flag Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 9 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.