Alert archive / Georgia / McDuffie County
Weather alerts in McDuffie County, Georgia, 2010
112 weather alerts in 2010, 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 2010. Tap one for its archive.
- Alerts
- 112
- Warnings
- 17
- Watches
- 18
- Advisories
- 51
- Busiest month
- July21 alerts
- Busiest day
- March 29, 20105 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 McDuffie County in 2010 had a tornado report inside them.
McDuffie County, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 11 | 7 | 36% | 5 | 80% | 10 min |
| Flash flood warnings | 1 | 1 | 0% | 1 | 100% | 19 min |
Each office's whole area, 2010
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Columbia, SC: tornado warnings | 14 | 9 | 36% | 9 | 100% | 7 min |
| NWS Columbia, SC: severe thunderstorm warnings | 240 | 151 | 37% | 279 | 87% | 19 min |
| NWS Columbia, SC: flash flood warnings | 13 | 6 | 54% | 12 | 83% | 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 2, 3:57 AM EST | Lake Wind Advisory | CAE | 11 hr |
| Jan 16, 11:08 PM EST | Areal Flood Advisory | CAE | 6 hr |
| Jan 24, 4:01 AM EST | Lake Wind Advisory | CAE | 63 hr |
| Jan 24, 5:18 PM EST | Tornado Watch | SPC | 7 hr |
| Jan 24, 6:21 PM EST | Mesoscale Discussion | SPC | 84 min |
| Jan 24, 8:55 PM EST | Mesoscale Discussion | SPC | 95 min |
| Jan 24, 9:52 PM EST | Areal Flood Advisory | CAE | 2 hr |
| Jan 24, 10:11 PM EST | Severe Thunderstorm Warning | CAE | 49 min |
| Jan 24, 10:26 PM EST | Flash Flood Warning | CAE | 84 min |
| Jan 30, 2:58 PM EST | Winter Weather Advisory | CAE | 13 hr |
| Feb 4, 1:52 PM EST | Flood Watch | CAE | 30 hr |
| Feb 5, 12:36 PM EST | Areal Flood Advisory | CAE | 4 hr |
| Feb 8, 3:33 PM EST | Lake Wind Advisory | CAE | 41 hr |
| Feb 9, 2:58 PM EST | Wind Advisory | CAE | 28 hr |
| Feb 10, 3:13 PM EST | Lake Wind Advisory | CAE | 9 hr |
| Feb 11, 3:35 PM EST | Winter Storm Watch | CAE | 20 hr |
| Feb 12, 3:49 AM EST | Winter Storm Warning | CAE | 24 hr |
| Feb 12, 12:46 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Feb 16, 3:25 AM EST | Lake Wind Advisory | CAE | 19 hr |
| Feb 22, 11:50 PM EST | Dense Fog Advisory | CAE | 10 hr |
| Feb 24, 3:46 PM EST | Lake Wind Advisory | CAE | 28 hr |
| Feb 25, 3:49 PM EST | Lake Wind Advisory | CAE | 27 hr |
| Mar 2, 12:07 PM EST | Winter Weather Advisory | CAE | 15 hr |
| Mar 12, 3:45 PM EST | Lake Wind Advisory | CAE | 35 hr |
| Mar 12, 6:52 PM EST | Areal Flood Advisory | CAE | 113 min |
| Mar 21, 9:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Mar 28, 1:26 PM EDT | Lake Wind Advisory | CAE | 9 hr |
| Mar 28, 3:47 PM EDT | Tornado Watch | SPC | 7 hr |
| Mar 28, 7:19 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Mar 28, 8:56 PM EDT | Tornado Warning | CAE | 49 min |
| Mar 28, 10:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Mar 28, 10:48 PM EDT | Severe Thunderstorm Warning | CAE | 42 min |
| Mar 28, 10:58 PM EDT | Tornado Watch | SPC | 6 hr |
| Mar 29, 12:25 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 7, 2:50 PM EDT | Lake Wind Advisory | CAE | 28 hr |
| Apr 8, 4:00 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 8, 4:28 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 8, 7:23 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 8, 8:05 PM EDT | Severe Thunderstorm Warning | CAE | 40 min |
| Apr 17, 2:04 PM EDT | Lake Wind Advisory | CAE | 6 hr |
| Apr 24, 2:48 PM EDT | Lake Wind Advisory | CAE | 3 days |
| Apr 25, 12:55 AM EDT | Mesoscale Discussion | SPC | 35 min |
| Apr 25, 1:17 AM EDT | Tornado Watch | SPC | 8 hr |
| May 3, 3:08 PM EDT | Tornado Watch | SPC | 7 hr |
| May 4, 10:16 PM EDT | Dense Fog Advisory | CAE | 11 hr |
| May 8, 4:29 AM EDT | Lake Wind Advisory | CAE | 23 hr |
| May 24, 12:51 AM EDT | Severe Thunderstorm Warning | CAE | 20 min |
| Jun 6, 3:41 AM EDT | Lake Wind Advisory | CAE | 16 hr |
| Jun 13, 3:36 AM EDT | Heat Advisory | CAE | 15 hr |
| Jun 13, 3:09 PM EDT | Heat Advisory | CAE | 28 hr |
| Jun 14, 2:50 PM EDT | Heat Advisory | CAE | 28 hr |
| Jun 25, 6:47 PM EDT | Severe Thunderstorm Warning | CAE | 43 min |
| Jun 25, 7:21 PM EDT | Areal Flood Advisory | CAE | 3 hr |
| Jun 29, 4:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Jun 29, 5:49 PM EDT | Severe Thunderstorm Warning | CAE | 41 min |
| Jul 11, 1:30 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Jul 11, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 12, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 13, 12:09 PM EDT | Mesoscale Discussion | SPC | 96 min |
| Jul 22, 3:54 AM EDT | Heat Advisory | CAE | 16 hr |
| Jul 23, 3:17 AM EDT | Heat Advisory | CAE | 17 hr |
| Jul 24, 3:57 AM EDT | Heat Advisory | CAE | 15 hr |
| Jul 25, 3:55 AM EDT | Heat Advisory | CAE | 15 hr |
| Jul 26, 3:59 AM EDT | Heat Advisory | CAE | 15 hr |
| Jul 26, 5:52 PM EDT | Severe Thunderstorm Warning | CAE | 38 min |
| Jul 27, 4:00 AM EDT | Heat Advisory | CAE | 14 hr |
| Jul 27, 2:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jul 27, 6:01 PM EDT | Severe Thunderstorm Warning | CAE | 59 min |
| Jul 27, 9:17 PM EDT | Severe Thunderstorm Warning | CAE | 58 min |
| Jul 28, 3:49 AM EDT | Heat Advisory | CAE | 9 hr |
| Jul 29, 4:02 AM EDT | Heat Advisory | CAE | 16 hr |
| Jul 30, 4:03 AM EDT | Heat Advisory | CAE | 16 hr |
| Jul 31, 11:13 AM EDT | Mesoscale Discussion | SPC | 62 min |
| Jul 31, 1:31 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 31, 3:21 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Jul 31, 7:00 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jul 31, 9:48 PM EDT | Areal Flood Advisory | CAE | 117 min |
| Aug 3, 3:15 PM EDT | Heat Advisory | CAE | 28 hr |
| Aug 4, 3:08 PM EDT | Heat Advisory | CAE | 28 hr |
| Aug 6, 12:58 PM EDT | Mesoscale Discussion | SPC | 32 min |
| Aug 6, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Aug 6, 4:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Aug 6, 7:02 PM EDT | Mesoscale Discussion | SPC | 58 min |
| Aug 12, 4:04 AM EDT | Heat Advisory | CAE | 15 hr |
| Aug 13, 4:01 AM EDT | Heat Advisory | CAE | 15 hr |
| Aug 13, 3:45 PM EDT | Areal Flood Advisory | CAE | 2 hr |
| Aug 13, 4:00 PM EDT | Mesoscale Discussion | SPC | 90 min |
| Aug 14, 4:26 PM EDT | Mesoscale Discussion | SPC | 94 min |
| Aug 16, 4:36 PM EDT | Areal Flood Advisory | CAE | 114 min |
| Oct 14, 2:15 PM EDT | Lake Wind Advisory | CAE | 37 hr |
| Oct 14, 2:30 PM EDT | Fire Weather Watch | CAE | 14 hr |
| Oct 15, 4:11 AM EDT | Red Flag Warning | CAE | 15 hr |
| Oct 25, 8:23 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Oct 25, 9:56 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 25, 11:06 AM EDT | Severe Thunderstorm Warning | CAE | 54 min |
| Oct 27, 2:06 PM EDT | Tornado Watch | SPC | 6 hr |
| Nov 5, 2:59 PM EDT | Frost Advisory | CAE | 17 hr |
| Nov 5, 2:59 PM EDT | Freeze Watch | CAE | 13 hr |
| Nov 6, 3:35 AM EDT | Freeze Warning | CAE | 29 hr |
| Nov 30, 1:17 PM EST | Mesoscale Discussion | SPC | 118 min |
| Nov 30, 2:34 PM EST | Tornado Watch | SPC | 7 hr |
| Nov 30, 3:00 PM EST | Lake Wind Advisory | CAE | 28 hr |
| Nov 30, 4:24 PM EST | Mesoscale Discussion | SPC | 96 min |
| Nov 30, 7:47 PM EST | Mesoscale Discussion | SPC | 88 min |
| Nov 30, 9:15 PM EST | Severe Thunderstorm Warning | CAE | 45 min |
| Dec 4, 3:22 AM EST | Lake Wind Advisory | CAE | 32 hr |
| Dec 6, 8:46 PM EST | Lake Wind Advisory | CAE | 7 hr |
| Dec 11, 2:31 PM EST | Lake Wind Advisory | CAE | 64 hr |
| Dec 25, 4:28 AM EST | Winter Storm Watch | CAE | 10 hr |
| Dec 25, 2:32 PM EST | Winter Storm Warning | CAE | 22 hr |
| Dec 26, 4:31 AM EST | Winter Weather Advisory | CAE | 8 hr |
| Dec 26, 3:09 PM EST | Lake Wind Advisory | CAE | 28 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 | 11 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 5 |
| Tornado Watch | 8 |
| Mesoscale Discussion | 26 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 3 |
| Heat | |
| Heat Advisory | 16 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| Lake Wind Advisory | 20 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20092011
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.