Alert archive / Georgia / Heard County
Weather alerts in Heard County, Georgia, 2009
151 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Heard County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 151
- Warnings
- 52
- Watches
- 33
- Advisories
- 29
- Busiest month
- February28 alerts
- Busiest day
- May 3, 20097 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 4 tornado warnings covering Heard County in 2009 had a tornado report inside them.
Heard County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 10 | 5 | 50% | 4 | 100% | 49 min |
| Flash flood warnings | 2 | 1 | 50% | 1 | 100% | 4 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Atlanta, GA: tornado warnings | 131 | 26 | 80% | 58 | 84% | 24 min |
| NWS Atlanta, GA: severe thunderstorm warnings | 468 | 174 | 63% | 500 | 64% | 24 min |
| NWS Atlanta, GA: flash flood warnings | 58 | 23 | 60% | 51 | 65% | 150 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 3, 5:16 AM EST | Dense Fog Advisory | FFC | 9 hr |
| Jan 6, 5:37 PM EST | Tornado Watch | SPC | 3 hr |
| Jan 6, 8:02 PM EST | Mesoscale Discussion | SPC | 118 min |
| Jan 7, 3:56 AM EST | Wind Advisory | FFC | 18 hr |
| Jan 13, 3:42 AM EST | Red Flag Warning | FFC | 39 hr |
| Jan 14, 3:46 PM EST | Fire Weather Watch | FFC | 12 hr |
| Jan 14, 3:46 PM EST | Red Flag Warning | FFC | 26 hr |
| Jan 15, 3:57 AM EST | Red Flag Warning | FFC | 42 hr |
| Jan 15, 3:30 PM EST | Red Flag Warning | FFC | 51 hr |
| Jan 19, 3:56 PM EST | Wind Advisory | FFC | 27 hr |
| Jan 20, 2:20 PM EST | Fire Weather Watch | FFC | 25 hr |
| Jan 20, 2:20 PM EST | Red Flag Warning | FFC | 28 hr |
| Jan 21, 3:39 PM EST | Red Flag Warning | FFC | 26 hr |
| Jan 26, 7:05 PM EST | Dense Fog Advisory | FFC | 14 hr |
| Jan 29, 2:55 PM EST | Wind Advisory | FFC | 27 hr |
| Feb 3, 3:40 AM EST | Wind Advisory | FFC | 37 hr |
| Feb 3, 2:23 PM EST | Fire Weather Watch | FFC | 25 hr |
| Feb 3, 2:23 PM EST | Red Flag Warning | FFC | 29 hr |
| Feb 4, 3:17 PM EST | Red Flag Warning | FFC | 29 hr |
| Feb 5, 3:08 PM EST | Red Flag Warning | FFC | 29 hr |
| Feb 6, 4:12 AM EST | Red Flag Warning | FFC | 38 hr |
| Feb 10, 5:04 PM EST | Wind Advisory | FFC | 28 hr |
| Feb 11, 12:10 PM EST | Tornado Watch | SPC | 6 hr |
| Feb 11, 2:29 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 13, 4:12 AM EST | Red Flag Warning | FFC | 15 hr |
| Feb 18, 3:32 PM EST | Tornado Watch | SPC | 7 hr |
| Feb 18, 3:52 PM EST | Wind Advisory | FFC | 27 hr |
| Feb 18, 4:22 PM EST | Mesoscale Discussion | SPC | 83 min |
| Feb 18, 6:26 PM EST | Mesoscale Discussion | SPC | 94 min |
| Feb 18, 7:40 PM EST | Severe Thunderstorm Warning | FFC | 35 min |
| Feb 18, 7:56 PM EST | Tornado Warning | FFC | 29 min |
| Feb 18, 8:14 PM EST | Mesoscale Discussion | SPC | 61 min |
| Feb 18, 8:27 PM EST | Tornado Warning | FFC | 34 min |
| Feb 18, 8:58 PM EST | Mesoscale Discussion | SPC | 92 min |
| Feb 18, 9:15 PM EST | Severe Thunderstorm Warning | FFC | 31 min |
| Feb 20, 2:03 PM EST | Red Flag Warning | FFC | 28 hr |
| Feb 22, 4:14 AM EST | Red Flag Warning | FFC | 15 hr |
| Feb 22, 1:41 PM EST | Fire Weather Watch | FFC | 24 hr |
| Feb 22, 1:41 PM EST | Red Flag Warning | FFC | 29 hr |
| Feb 23, 2:02 PM EST | Red Flag Warning | FFC | 29 hr |
| Feb 27, 3:53 AM EST | Flood Watch | FFC | 32 hr |
| Feb 28, 3:20 PM EST | Wind Advisory | FFC | 31 hr |
| Feb 28, 3:41 PM EST | Winter Weather Advisory | FFC | 31 hr |
| Mar 1, 12:19 PM EST | Mesoscale Discussion | SPC | 4 hr |
| Mar 1, 1:37 PM EST | Winter Storm Warning | FFC | 9 hr |
| Mar 14, 4:46 PM EDT | Flood Watch | FFC | 43 hr |
| Mar 16, 3:56 PM EDT | Dense Fog Advisory | FFC | 13 hr |
| Mar 25, 4:25 AM EDT | Flood Watch | FFC | 4 days |
| Mar 26, 8:27 AM EDT | Tornado Watch | SPC | 6 hr |
| Mar 28, 1:07 PM EDT | Wind Advisory | FFC | 31 hr |
| Mar 28, 10:42 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Apr 2, 4:12 AM EDT | Mesoscale Discussion | SPC | 63 min |
| Apr 2, 4:22 PM EDT | Wind Advisory | FFC | 24 hr |
| Apr 2, 7:02 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 3, 12:50 AM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 3, 12:55 AM EDT | Severe Thunderstorm Warning | FFC | 50 min |
| Apr 5, 4:15 AM EDT | Wind Advisory | FFC | 63 hr |
| Apr 5, 10:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Apr 6, 4:56 PM EDT | Freeze Watch | FFC | 12 hr |
| Apr 7, 4:40 AM EDT | Freeze Warning | FFC | 29 hr |
| Apr 10, 3:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| Apr 10, 3:39 PM EDT | Tornado Watch | SPC | 8 hr |
| Apr 10, 6:00 PM EDT | Severe Thunderstorm Warning | FFC | 60 min |
| Apr 10, 6:25 PM EDT | Tornado Warning | FFC | 50 min |
| Apr 10, 7:20 PM EDT | Tornado Warning | FFC | 40 min |
| Apr 10, 7:34 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Apr 10, 10:28 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Apr 13, 2:16 AM EDT | Wind Advisory | FFC | 8 hr |
| Apr 13, 9:56 AM EDT | Wind Advisory | FFC | 4 hr |
| Apr 19, 8:51 PM EDT | Tornado Watch | SPC | 6 hr |
| Apr 19, 11:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Apr 20, 1:22 AM EDT | Mesoscale Discussion | SPC | 53 min |
| Apr 20, 3:26 PM EDT | Wind Advisory | FFC | 28 hr |
| Apr 22, 3:36 AM EDT | Red Flag Warning | FFC | 16 hr |
| Apr 24, 4:38 AM EDT | Red Flag Warning | FFC | 15 hr |
| May 3, 11:56 AM EDT | Mesoscale Discussion | SPC | 64 min |
| May 3, 12:35 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 3, 2:49 PM EDT | Mesoscale Discussion | SPC | 56 min |
| May 3, 4:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| May 3, 4:22 PM EDT | Severe Thunderstorm Warning | FFC | 83 min |
| May 3, 4:42 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| May 3, 5:40 PM EDT | Severe Thunderstorm Warning | FFC | 65 min |
| May 6, 10:04 AM EDT | Mesoscale Discussion | SPC | 56 min |
| May 6, 10:27 AM EDT | Tornado Watch | SPC | 9 hr |
| May 9, 6:31 PM EDT | Mesoscale Discussion | SPC | 89 min |
| May 16, 11:44 AM EDT | Flash Flood Warning | FFC | 3 hr |
| May 18, 3:50 PM EDT | Wind Advisory | FFC | 28 hr |
| May 19, 3:18 AM EDT | Red Flag Warning | FFC | 16 hr |
| May 20, 3:20 AM EDT | Red Flag Warning | FFC | 15 hr |
| May 20, 3:44 AM EDT | Wind Advisory | FFC | 14 hr |
| May 20, 2:43 PM EDT | Wind Advisory | FFC | 28 hr |
| Jun 11, 2:55 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 12, 6:24 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jun 12, 9:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jun 22, 12:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 12:39 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 28, 1:34 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 28, 3:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 28, 4:17 PM EDT | Severe Thunderstorm Warning | FFC | 43 min |
| Jun 28, 4:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jun 28, 7:27 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 3:21 AM EDT | Red Flag Warning | FFC | 17 hr |
| Jul 5, 7:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 5, 8:32 PM EDT | Severe Thunderstorm Warning | FFC | 48 min |
| Aug 31, 11:53 PM EDT | Flash Flood Warning | FFC | 3 hr |
| Sep 17, 1:20 PM EDT | Flood Watch | FFC | 5 days |
| Sep 21, 3:00 AM EDT | Areal Flood Warning | FFC | 18 hr |
| Sep 21, 4:17 AM EDT | River Flood Warning | FFC | 4 days |
| Sep 21, 9:07 PM EDT | Areal Flood Warning | FFC | 18 hr |
| Sep 22, 2:29 PM EDT | Areal Flood Warning | FFC | 18 hr |
| Sep 24, 10:55 AM EDT | River Flood Warning | FFC | 30 hr |
| Sep 25, 3:42 AM EDT | Flash Flood Watch | FFC | 41 hr |
| Sep 26, 11:25 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 26, 12:23 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 26, 4:20 PM EDT | Severe Thunderstorm Warning | FFC | 40 min |
| Oct 4, 2:44 AM EDT | Flood Watch | FFC | 23 hr |
| Oct 9, 6:12 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Oct 9, 6:53 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Oct 9, 10:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Oct 12, 3:46 AM EDT | Flood Watch | FFC | 18 hr |
| Oct 12, 9:15 AM EDT | Severe Thunderstorm Warning | FFC | 45 min |
| Oct 12, 11:27 AM EDT | River Flood Warning | FFC | 50 hr |
| Oct 13, 3:52 AM EDT | Flash Flood Watch | FFC | 29 hr |
| Oct 17, 5:00 AM EDT | Freeze Watch | FFC | 24 hr |
| Oct 18, 5:19 AM EDT | Freeze Watch | FFC | 23 hr |
| Oct 18, 5:19 AM EDT | Freeze Warning | FFC | 28 hr |
| Oct 19, 4:48 AM EDT | Freeze Warning | FFC | 28 hr |
| Nov 5, 3:23 PM EST | Frost Advisory | FFC | 18 hr |
| Nov 6, 2:47 PM EST | Frost Advisory | FFC | 18 hr |
| Nov 8, 4:35 PM EST | Flash Flood Watch | FFC | 62 hr |
| Nov 10, 2:23 AM EST | Mesoscale Discussion | SPC | 3 hr |
| Nov 10, 2:55 AM EST | Wind Advisory | FFC | 32 hr |
| Nov 10, 9:19 PM EST | River Flood Warning | FFC | 64 hr |
| Nov 11, 4:02 PM EST | River Flood Warning | FFC | 48 hr |
| Dec 1, 12:43 PM EST | Wind Advisory | FFC | 33 hr |
| Dec 1, 4:04 PM EST | Flood Watch | FFC | 25 hr |
| Dec 2, 8:56 PM EST | River Flood Warning | FFC | 14 hr |
| Dec 5, 12:18 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Dec 8, 4:36 AM EST | Wind Advisory | FFC | 37 hr |
| Dec 8, 11:24 PM EST | Mesoscale Discussion | SPC | 96 min |
| Dec 9, 12:09 AM EST | Tornado Watch | SPC | 5 hr |
| Dec 9, 3:20 AM EST | Mesoscale Discussion | SPC | 85 min |
| Dec 10, 3:15 PM EST | Red Flag Warning | FFC | 27 hr |
| Dec 11, 3:55 PM EST | Flood Watch | FFC | 36 hr |
| Dec 13, 3:37 PM EST | Dense Fog Advisory | FFC | 18 hr |
| Dec 14, 3:42 PM EST | Dense Fog Advisory | FFC | 12 hr |
| Dec 17, 4:35 AM EST | Flood Watch | FFC | 40 hr |
| Dec 18, 3:58 AM EST | Wind Advisory | FFC | 12 hr |
| Dec 18, 8:40 PM EST | River Flood Warning | FFC | 28 hr |
| Dec 23, 3:56 PM EST | Wind Advisory | FFC | 39 hr |
| Dec 25, 11:48 AM EST | River Flood Warning | FFC | 15 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 | 10 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 9 |
| Mesoscale Discussion | 37 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 2 |
| River Flood Warning | 8 |
| Flash Flood Watch | 3 |
| Flood Watch | 9 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Weather Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 3 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 21 |
| Fire | |
| Red Flag Warning | 21 |
| Fire Weather Watch | 4 |
| 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 archive20082010
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.