Alert archive / Georgia / McDuffie County
Weather alerts in McDuffie County, Georgia, 2013
105 weather alerts in 2013, 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 2013. Tap one for its archive.
- Alerts
- 105
- Warnings
- 16
- Watches
- 16
- Advisories
- 34
- Busiest month
- March20 alerts
- Busiest day
- April 19, 20136 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 2013 had a tornado report inside them.
McDuffie County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 8 | 7 | 13% | 6 | 100% | 32 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Columbia, SC: tornado warnings | 5 | 2 | 60% | 3 | 67% | 6 min |
| NWS Columbia, SC: severe thunderstorm warnings | 98 | 80 | 18% | 169 | 88% | 24 min |
| NWS Columbia, SC: flash flood warnings | 21 | 12 | 43% | 33 | 79% | 43 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 11, 5:03 AM EST | Dense Fog Advisory | CAE | 6 hr |
| Jan 12, 12:47 AM EST | Dense Fog Advisory | CAE | 9 hr |
| Jan 17, 3:27 AM EST | Lake Wind Advisory | CAE | 26 hr |
| Jan 29, 8:57 AM EST | Dense Fog Advisory | CAE | 118 min |
| Jan 29, 2:35 PM EST | Wind Advisory | CAE | 39 hr |
| Jan 30, 4:13 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Jan 30, 5:31 PM EST | Mesoscale Discussion | SPC | 59 min |
| Jan 30, 5:45 PM EST | Tornado Watch | SPC | 6 hr |
| Jan 30, 5:59 PM EST | Severe Thunderstorm Warning | CAE | 61 min |
| Jan 30, 6:53 PM EST | Severe Thunderstorm Warning | CAE | 52 min |
| Jan 31, 5:30 AM EST | Lake Wind Advisory | CAE | 35 hr |
| Feb 2, 2:07 PM EST | Lake Wind Advisory | CAE | 29 hr |
| Feb 13, 4:21 AM EST | Lake Wind Advisory | CAE | 14 hr |
| Feb 16, 4:06 AM EST | Lake Wind Advisory | CAE | 26 hr |
| Feb 26, 3:01 AM EST | Lake Wind Advisory | CAE | 40 hr |
| Feb 27, 9:34 PM EST | Lake Wind Advisory | CAE | 23 hr |
| Mar 5, 2:14 AM EST | Lake Wind Advisory | CAE | 44 hr |
| Mar 5, 6:01 PM EST | Special Weather Statement | CAE | 89 min |
| Mar 5, 6:20 PM EST | Mesoscale Discussion | SPC | 55 min |
| Mar 13, 3:49 AM EDT | Lake Wind Advisory | CAE | 17 hr |
| Mar 15, 11:01 AM EDT | Fire Weather Watch | CAE | 17 hr |
| Mar 16, 3:06 AM EDT | Lake Wind Advisory | CAE | 17 hr |
| Mar 16, 8:35 AM EDT | Red Flag Warning | CAE | 10 hr |
| Mar 18, 5:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 18, 7:29 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 18, 8:08 PM EDT | Special Weather Statement | CAE | 52 min |
| Mar 20, 3:52 AM EDT | Freeze Warning | CAE | 29 hr |
| Mar 21, 3:44 AM EDT | Freeze Watch | CAE | 9 hr |
| Mar 21, 1:09 PM EDT | Freeze Warning | CAE | 20 hr |
| Mar 24, 2:01 PM EDT | Wind Advisory | CAE | 30 hr |
| Mar 25, 2:58 AM EDT | Freeze Watch | CAE | 11 hr |
| Mar 25, 8:08 PM EDT | Lake Wind Advisory | CAE | 16 hr |
| Mar 26, 2:22 AM EDT | Freeze Watch | CAE | 10 hr |
| Mar 26, 11:59 AM EDT | Freeze Warning | CAE | 21 hr |
| Mar 27, 1:24 PM EDT | Freeze Warning | CAE | 20 hr |
| Mar 28, 1:04 PM EDT | Frost Advisory | CAE | 20 hr |
| Apr 11, 8:24 PM EDT | Tornado Watch | SPC | 8 hr |
| Apr 11, 10:52 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Apr 19, 1:20 AM EDT | Lake Wind Advisory | CAE | 17 hr |
| Apr 19, 11:42 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Apr 19, 12:37 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 19, 1:57 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 19, 2:51 PM EDT | Severe Thunderstorm Warning | CAE | 24 min |
| Apr 19, 3:22 PM EDT | Severe Thunderstorm Warning | CAE | 38 min |
| Apr 28, 5:30 PM EDT | Severe Thunderstorm Warning | CAE | 45 min |
| Apr 28, 5:36 PM EDT | Tornado Warning | CAE | 39 min |
| Apr 28, 6:09 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Apr 28, 7:06 PM EDT | Special Weather Statement | CAE | 39 min |
| Apr 30, 3:29 AM EDT | Dense Fog Advisory | CAE | 7 hr |
| May 21, 5:53 PM EDT | Special Weather Statement | CAE | 37 min |
| May 21, 6:04 PM EDT | Severe Thunderstorm Warning | CAE | 26 min |
| May 22, 5:07 AM EDT | Dense Fog Advisory | CAE | 4 hr |
| Jun 2, 4:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 5, 8:47 PM EDT | Flood Watch | CAE | 40 hr |
| Jun 7, 4:03 AM EDT | Areal Flood Advisory | CAE | 3 hr |
| Jun 7, 6:38 AM EDT | Special Weather Statement | CAE | 52 min |
| Jun 7, 7:00 AM EDT | Areal Flood Advisory | CAE | 2 hr |
| Jun 7, 8:51 PM EDT | Special Weather Statement | CAE | 54 min |
| Jun 9, 6:27 PM EDT | Areal Flood Advisory | CAE | 2 hr |
| Jun 10, 1:18 PM EDT | Tornado Watch | SPC | 9 hr |
| Jun 13, 4:07 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 13, 6:28 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 13, 8:47 PM EDT | Mesoscale Discussion | SPC | 88 min |
| Jun 18, 6:52 PM EDT | Severe Thunderstorm Warning | CAE | 38 min |
| Jun 26, 2:30 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 11:57 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 27, 6:25 PM EDT | Mesoscale Discussion | SPC | 65 min |
| Jun 28, 3:05 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 1:03 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 2:34 PM EDT | Flood Watch | CAE | 3 days |
| Jul 2, 7:53 PM EDT | Special Weather Statement | CAE | 52 min |
| Jul 2, 8:00 PM EDT | Special Weather Statement | CAE | 45 min |
| Jul 2, 8:44 PM EDT | Special Weather Statement | CAE | 61 min |
| Jul 2, 9:35 PM EDT | Areal Flood Advisory | CAE | 115 min |
| Jul 3, 8:57 PM EDT | Special Weather Statement | CAE | 63 min |
| Jul 7, 11:38 PM EDT | Areal Flood Advisory | CAE | 112 min |
| Jul 7, 11:56 PM EDT | Flash Flood Warning | CAE | 3 hr |
| Jul 10, 1:50 PM EDT | Areal Flood Advisory | CAE | 55 min |
| Jul 11, 3:40 AM EDT | Flash Flood Watch | CAE | 32 hr |
| Jul 13, 3:46 AM EDT | Flash Flood Watch | CAE | 23 hr |
| Jul 14, 6:55 PM EDT | Special Weather Statement | CAE | 65 min |
| Jul 17, 2:57 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 17, 4:46 PM EDT | Mesoscale Discussion | SPC | 59 min |
| Jul 17, 8:22 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 17, 8:43 PM EDT | Severe Thunderstorm Warning | CAE | 62 min |
| Jul 26, 10:32 PM EDT | Special Weather Statement | CAE | 58 min |
| Jul 31, 12:14 PM EDT | Special Weather Statement | CAE | 76 min |
| Aug 13, 4:13 PM EDT | Mesoscale Discussion | SPC | 92 min |
| Aug 18, 4:31 AM EDT | Dense Fog Advisory | CAE | 2 hr |
| Aug 18, 5:24 PM EDT | Special Weather Statement | CAE | 51 min |
| Aug 18, 7:23 PM EDT | Areal Flood Advisory | CAE | 112 min |
| Aug 20, 2:20 PM EDT | Special Weather Statement | CAE | 85 min |
| Aug 20, 2:21 PM EDT | Special Weather Statement | CAE | 84 min |
| Aug 21, 2:00 PM EDT | Special Weather Statement | CAE | 6 hr |
| Aug 22, 3:20 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 1, 2:13 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 23, 3:00 AM EDT | Frost Advisory | CAE | 30 hr |
| Oct 24, 1:58 PM EDT | Freeze Watch | CAE | 13 hr |
| Oct 25, 3:02 AM EDT | Freeze Warning | CAE | 30 hr |
| Nov 12, 6:00 AM EST | Lake Wind Advisory | CAE | 21 hr |
| Nov 17, 2:41 AM EST | Dense Fog Advisory | CAE | 7 hr |
| Nov 27, 3:40 AM EST | Lake Wind Advisory | CAE | 16 hr |
| Dec 4, 9:07 PM EST | Dense Fog Advisory | CAE | 10 hr |
| Dec 8, 10:39 PM EST | Dense Fog Advisory | CAE | 7 hr |
| Dec 22, 3:10 PM EST | Special Weather Statement | CAE | 50 min |
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 | 8 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 18 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 7 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 4 |
| Frost Advisory | 2 |
| Wind and dust | |
| Lake Wind Advisory | 14 |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 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 archive20122014
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.