Alert archive / Georgia / McDuffie County
Weather alerts in McDuffie County, Georgia, 2008
140 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
McDuffie County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 140
- Warnings
- 14
- Watches
- 21
- Advisories
- 65
- Busiest month
- March25 alerts
- Busiest day
- March 15, 200812 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 2 tornado warnings covering McDuffie County in 2008 had a tornado report inside them.
McDuffie County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 1 | 50% | 0 | ||
| Severe thunderstorm warnings | 5 | 1 | 80% | 0 | ||
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Columbia, SC: tornado warnings | 43 | 19 | 56% | 26 | 85% | 17 min |
| NWS Columbia, SC: severe thunderstorm warnings | 263 | 115 | 56% | 259 | 73% | 21 min |
| NWS Columbia, SC: flash flood warnings | 13 | 7 | 46% | 21 | 71% | 26 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 6, 2:36 PM EST | Dense Fog Advisory | CAE | 19 hr |
| Jan 7, 3:19 PM EST | Dense Fog Advisory | CAE | 20 hr |
| Jan 11, 3:05 AM EST | Mesoscale Discussion | SPC | 85 min |
| Jan 16, 11:52 AM EST | Winter Weather Advisory | CAE | 18 hr |
| Jan 18, 3:51 PM EST | Winter Weather Advisory | CAE | 30 hr |
| Jan 25, 10:09 PM EST | Winter Weather Advisory | CAE | 6 hr |
| Jan 29, 3:31 AM EST | Lake Wind Advisory | CAE | 30 hr |
| Jan 31, 4:00 PM EST | Lake Wind Advisory | CAE | 26 hr |
| Feb 4, 10:10 PM EST | Dense Fog Advisory | CAE | 12 hr |
| Feb 5, 3:22 PM EST | Lake Wind Advisory | CAE | 30 hr |
| Feb 9, 4:00 AM EST | Fire Weather Watch | CAE | 11 hr |
| Feb 9, 2:54 PM EST | Red Flag Warning | CAE | 30 hr |
| Feb 9, 3:46 PM EST | Lake Wind Advisory | CAE | 29 hr |
| Feb 17, 4:24 AM EST | Lake Wind Advisory | CAE | 39 hr |
| Feb 17, 6:19 PM EST | Mesoscale Discussion | SPC | 86 min |
| Feb 17, 6:58 PM EST | Tornado Watch | SPC | 8 hr |
| Feb 17, 8:34 PM EST | Mesoscale Discussion | SPC | 56 min |
| Feb 19, 3:30 AM EST | Lake Wind Advisory | CAE | 15 hr |
| Feb 20, 12:49 PM EST | Lake Wind Advisory | CAE | 5 hr |
| Feb 23, 3:32 AM EST | Dense Fog Advisory | CAE | 6 hr |
| Feb 25, 5:44 AM EST | Dense Fog Advisory | CAE | 5 hr |
| Feb 25, 2:49 PM EST | Lake Wind Advisory | CAE | 52 hr |
| Mar 4, 4:08 AM EST | Lake Wind Advisory | CAE | 25 hr |
| Mar 4, 11:56 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 4, 6:27 PM EST | Tornado Watch | SPC | 7 hr |
| Mar 6, 3:39 PM EST | Lake Wind Advisory | CAE | 39 hr |
| Mar 7, 3:31 PM EST | Wind Advisory | CAE | 26 hr |
| Mar 8, 2:32 PM EST | Lake Wind Advisory | CAE | 9 hr |
| Mar 14, 11:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| Mar 15, 1:34 AM EDT | Lake Wind Advisory | CAE | 22 hr |
| Mar 15, 3:57 AM EDT | Mesoscale Discussion | SPC | 93 min |
| Mar 15, 7:18 AM EDT | Mesoscale Discussion | SPC | 117 min |
| Mar 15, 10:38 AM EDT | Mesoscale Discussion | SPC | 67 min |
| Mar 15, 11:02 AM EDT | Tornado Watch | SPC | 8 hr |
| Mar 15, 1:22 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Mar 15, 2:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Mar 15, 4:36 PM EDT | Tornado Watch | SPC | 8 hr |
| Mar 15, 5:36 PM EDT | Tornado Warning | CAE | 39 min |
| Mar 15, 6:00 PM EDT | Tornado Warning | CAE | 45 min |
| Mar 15, 7:41 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Mar 18, 3:46 PM EDT | Lake Wind Advisory | CAE | 44 hr |
| Mar 19, 2:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Mar 20, 2:55 PM EDT | Frost Advisory | CAE | 18 hr |
| Mar 23, 4:22 AM EDT | Freeze Watch | CAE | 33 hr |
| Mar 24, 1:45 PM EDT | Freeze Warning | CAE | 19 hr |
| Mar 27, 12:47 PM EDT | Lake Wind Advisory | CAE | 5 hr |
| Mar 29, 1:09 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 12:52 AM EDT | Dense Fog Advisory | CAE | 9 hr |
| Apr 3, 3:50 PM EDT | Lake Wind Advisory | CAE | 26 hr |
| Apr 4, 3:16 AM EDT | Dense Fog Advisory | CAE | 5 hr |
| Apr 4, 6:10 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 4, 8:12 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Apr 4, 8:35 PM EDT | Mesoscale Discussion | SPC | 115 min |
| Apr 10, 7:19 AM EDT | Dense Fog Advisory | CAE | 101 min |
| Apr 12, 3:00 AM EDT | Lake Wind Advisory | CAE | 42 hr |
| Apr 15, 3:40 AM EDT | Frost Advisory | CAE | 28 hr |
| Apr 29, 3:30 AM EDT | Lake Wind Advisory | CAE | 12 hr |
| May 10, 5:25 AM EDT | Mesoscale Discussion | SPC | 95 min |
| May 10, 12:28 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| May 10, 2:10 PM EDT | Tornado Watch | SPC | 7 hr |
| May 10, 4:26 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 8:14 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 9:54 PM EDT | Mesoscale Discussion | SPC | 96 min |
| May 10, 10:06 PM EDT | Tornado Watch | SPC | 7 hr |
| May 11, 2:06 AM EDT | Mesoscale Discussion | SPC | 84 min |
| May 11, 2:37 AM EDT | Tornado Watch | SPC | 7 hr |
| May 11, 3:54 AM EDT | Lake Wind Advisory | CAE | 40 hr |
| May 11, 4:40 AM EDT | Mesoscale Discussion | SPC | 95 min |
| May 11, 7:24 AM EDT | Mesoscale Discussion | SPC | 96 min |
| May 16, 3:55 AM EDT | Lake Wind Advisory | CAE | 15 hr |
| May 18, 4:14 AM EDT | Lake Wind Advisory | CAE | 16 hr |
| May 20, 3:50 AM EDT | Lake Wind Advisory | CAE | 16 hr |
| May 20, 2:23 PM EDT | Mesoscale Discussion | SPC | 67 min |
| May 20, 2:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 20, 3:08 PM EDT | Severe Thunderstorm Warning | CAE | 52 min |
| May 20, 5:23 PM EDT | Severe Thunderstorm Warning | CAE | 37 min |
| May 20, 7:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| May 21, 2:20 PM EDT | Lake Wind Advisory | CAE | 4 hr |
| May 24, 3:04 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 23, 2:54 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 29, 12:34 PM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 29, 1:35 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 29, 8:35 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Jul 13, 12:59 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 21, 2:34 PM EDT | Heat Advisory | CAE | 25 hr |
| Jul 22, 4:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 22, 10:21 PM EDT | Severe Thunderstorm Warning | CAE | 39 min |
| Jul 28, 3:58 PM EDT | Severe Thunderstorm Warning | CAE | 47 min |
| Aug 2, 7:22 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 4, 3:55 PM EDT | Heat Advisory | CAE | 27 hr |
| Aug 5, 3:01 PM EDT | Heat Advisory | CAE | 28 hr |
| Aug 7, 2:10 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Aug 18, 3:26 AM EDT | Dense Fog Advisory | CAE | 6 hr |
| Aug 20, 9:06 PM EDT | Lake Wind Advisory | CAE | 25 hr |
| Aug 21, 3:26 PM EDT | Lake Wind Advisory | CAE | 30 hr |
| Aug 26, 8:16 AM EDT | Mesoscale Discussion | SPC | 89 min |
| Aug 26, 9:37 AM EDT | Mesoscale Discussion | SPC | 23 min |
| Aug 26, 10:00 AM EDT | Tornado Watch | SPC | 9 hr |
| Aug 26, 2:17 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Aug 26, 4:10 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Aug 26, 6:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Aug 26, 6:52 PM EDT | Tornado Watch | SPC | 12 hr |
| Aug 26, 10:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Sep 10, 3:14 AM EDT | Flash Flood Warning | CAE | 3 hr |
| Sep 13, 7:42 AM EDT | Dense Fog Advisory | CAE | 2 hr |
| Sep 23, 8:28 AM EDT | Lake Wind Advisory | CAE | 11 hr |
| Sep 23, 3:32 PM EDT | Lake Wind Advisory | CAE | 67 hr |
| Oct 1, 4:07 AM EDT | Lake Wind Advisory | CAE | 26 hr |
| Oct 11, 2:56 AM EDT | Lake Wind Advisory | CAE | 33 hr |
| Oct 20, 2:20 PM EDT | Frost Advisory | CAE | 19 hr |
| Oct 27, 9:57 AM EDT | Lake Wind Advisory | CAE | 8 hr |
| Oct 28, 3:19 AM EDT | Freeze Watch | CAE | 12 hr |
| Oct 28, 3:31 PM EDT | Freeze Warning | CAE | 17 hr |
| Oct 29, 3:25 PM EDT | Freeze Warning | CAE | 12 hr |
| Oct 30, 3:46 AM EDT | Frost Advisory | CAE | 5 hr |
| Oct 30, 3:26 PM EDT | Freeze Warning | CAE | 18 hr |
| Oct 31, 3:37 AM EDT | Frost Advisory | CAE | 29 hr |
| Nov 14, 3:17 PM EST | Mesoscale Discussion | SPC | 58 min |
| Nov 14, 6:17 PM EST | Mesoscale Discussion | SPC | 118 min |
| Nov 15, 4:15 AM EST | Lake Wind Advisory | CAE | 27 hr |
| Nov 17, 2:56 PM EST | Lake Wind Advisory | CAE | 34 hr |
| Nov 20, 2:24 PM EST | Fire Weather Watch | CAE | 15 hr |
| Nov 20, 2:24 PM EST | Lake Wind Advisory | CAE | 35 hr |
| Nov 21, 5:18 AM EST | Red Flag Warning | CAE | 13 hr |
| Nov 30, 2:43 PM EST | Lake Wind Advisory | CAE | 28 hr |
| Dec 10, 2:08 PM EST | Mesoscale Discussion | SPC | 67 min |
| Dec 10, 5:11 PM EST | Areal Flood Advisory | CAE | 3 hr |
| Dec 11, 4:28 AM EST | Lake Wind Advisory | CAE | 30 hr |
| Dec 11, 4:31 AM EST | Flood Watch | CAE | 11 hr |
| Dec 11, 10:01 AM EST | Mesoscale Discussion | SPC | 119 min |
| Dec 11, 10:15 AM EST | Severe Thunderstorm Watch | SPC | 4 hr |
| Dec 11, 11:12 AM EST | Severe Thunderstorm Warning | CAE | 33 min |
| Dec 16, 4:03 AM EST | Dense Fog Advisory | CAE | 8 hr |
| Dec 16, 3:12 PM EST | Dense Fog Advisory | CAE | 20 hr |
| Dec 19, 12:46 AM EST | Dense Fog Advisory | CAE | 9 hr |
| Dec 19, 12:05 PM EST | Lake Wind Advisory | CAE | 6 hr |
| Dec 21, 3:59 AM EST | Lake Wind Advisory | CAE | 29 hr |
| Dec 27, 3:45 AM EST | Dense Fog Advisory | CAE | 11 hr |
| Dec 27, 4:32 PM EST | Dense Fog Advisory | CAE | 13 hr |
| Dec 31, 4:01 AM EST | Lake Wind Advisory | CAE | 20 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 | 2 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 10 |
| Mesoscale Discussion | 40 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 2 |
| Frost Advisory | 5 |
| Wind and dust | |
| Lake Wind Advisory | 37 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 15 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.