Alert archive / Georgia / Screven County
Weather alerts in Screven County, Georgia, 2018
94 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Screven County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 94
- Warnings
- 24
- Watches
- 10
- Advisories
- 25
- Busiest month
- June20 alerts
- Busiest day
- March 20, 20187 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Screven County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 13 | 9 | 31% | 9 | 56% | 18 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Charleston, SC: tornado warnings | 4 | 0 | 100% | 5 | 0% | |
| NWS Charleston, SC: severe thunderstorm warnings | 70 | 42 | 40% | 174 | 64% | 20 min |
| NWS Charleston, SC: flash flood warnings | 2 | 1 | 50% | 1 | 100% | 39 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, 4:02 AM EST | Wind Chill Advisory | CHS | 30 hr |
| Jan 2, 4:05 PM EST | Winter Storm Warning | CHS | 27 hr |
| Jan 2, 4:05 PM EST | Winter Weather Advisory | CHS | 23 hr |
| Jan 3, 7:09 PM EST | Winter Weather Advisory | CHS | 40 hr |
| Feb 4, 11:26 AM EST | Special Weather Statement | CHS | 49 min |
| Feb 4, 12:10 PM EST | Special Weather Statement | CHS | 50 min |
| Feb 4, 12:11 PM EST | Special Weather Statement | CHS | 49 min |
| Feb 7, 1:47 PM EST | Special Weather Statement | CHS | 43 min |
| Feb 10, 12:24 AM EST | Dense Fog Advisory | CHS | 10 hr |
| Feb 19, 8:33 PM EST | Dense Fog Advisory | CHS | 13 hr |
| Feb 24, 5:29 AM EST | Dense Fog Advisory | CHS | 4 hr |
| Mar 4, 3:15 PM EST | Frost Advisory | CHS | 18 hr |
| Mar 7, 9:20 PM EST | Frost Advisory | CHS | 12 hr |
| Mar 8, 3:26 AM EST | Freeze Warning | CHS | 29 hr |
| Mar 13, 7:55 PM EDT | Freeze Warning | CHS | 13 hr |
| Mar 14, 3:12 AM EDT | Freeze Watch | CHS | 9 hr |
| Mar 14, 12:33 PM EDT | Freeze Warning | CHS | 20 hr |
| Mar 14, 3:22 PM EDT | Fire Weather Watch | CHS | 12 hr |
| Mar 20, 12:32 AM EDT | Mesoscale Discussion | SPC | 88 min |
| Mar 20, 1:51 AM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 20, 2:50 AM EDT | Severe Thunderstorm Warning | CHS | 55 min |
| Mar 20, 3:53 AM EDT | Special Weather Statement | CHS | 37 min |
| Mar 20, 4:42 AM EDT | Severe Thunderstorm Warning | CHS | 48 min |
| Mar 20, 4:54 AM EDT | Mesoscale Discussion | SPC | 96 min |
| Mar 20, 12:05 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Mar 22, 9:50 AM EDT | Freeze Watch | CHS | 5 hr |
| Mar 22, 2:56 PM EDT | Frost Advisory | CHS | 18 hr |
| Apr 7, 7:44 PM EDT | Special Weather Statement | CHS | 31 min |
| Apr 7, 8:10 PM EDT | Special Weather Statement | CHS | 35 min |
| Apr 15, 10:12 AM EDT | Tornado Watch | SPC | 8 hr |
| Apr 15, 12:59 PM EDT | Special Weather Statement | CHS | 46 min |
| Apr 15, 1:18 PM EDT | Severe Thunderstorm Warning | CHS | 42 min |
| Apr 15, 1:45 PM EDT | Special Weather Statement | CHS | 45 min |
| Apr 23, 3:59 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Apr 23, 9:29 PM EDT | Special Weather Statement | CHS | 46 min |
| May 16, 2:38 PM EDT | Special Weather Statement | CHS | 22 min |
| May 17, 6:11 PM EDT | Special Weather Statement | CHS | 49 min |
| May 18, 7:40 PM EDT | Areal Flood Advisory | CHS | 95 min |
| May 24, 5:00 PM EDT | Areal Flood Advisory | CHS | 90 min |
| May 24, 6:26 PM EDT | Areal Flood Advisory | CHS | 94 min |
| May 27, 11:24 AM EDT | River Flood Warning | CHS | 27 days |
| May 29, 9:04 PM EDT | River Flood Warning | CHS | 20 days |
| Jun 1, 5:38 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 8:07 PM EDT | Special Weather Statement | CHS | 23 min |
| Jun 2, 1:19 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 2, 3:41 PM EDT | Special Weather Statement | CHS | 49 min |
| Jun 2, 3:54 PM EDT | Severe Thunderstorm Warning | CHS | 43 min |
| Jun 2, 4:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 16, 4:28 PM EDT | Severe Thunderstorm Warning | CHS | 32 min |
| Jun 20, 3:18 AM EDT | Heat Advisory | CHS | 15 hr |
| Jun 20, 7:04 PM EDT | Severe Thunderstorm Warning | CHS | 56 min |
| Jun 23, 2:12 PM EDT | Heat Advisory | CHS | 30 hr |
| Jun 23, 3:38 PM EDT | Mesoscale Discussion | SPC | 67 min |
| Jun 24, 10:58 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jun 24, 11:08 PM EDT | Severe Thunderstorm Warning | CHS | 52 min |
| Jun 24, 11:58 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Jun 25, 3:34 AM EDT | Heat Advisory | CHS | 13 hr |
| Jun 25, 8:42 PM EDT | Special Weather Statement | CHS | 48 min |
| Jun 25, 8:52 PM EDT | Severe Thunderstorm Warning | CHS | 53 min |
| Jun 26, 6:22 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 27, 9:17 PM EDT | Special Weather Statement | CHS | 43 min |
| Jun 27, 10:05 PM EDT | Special Weather Statement | CHS | 40 min |
| Jul 3, 4:09 PM EDT | Severe Thunderstorm Warning | CHS | 36 min |
| Jul 7, 3:53 PM EDT | Special Weather Statement | CHS | 52 min |
| Jul 7, 4:31 PM EDT | Areal Flood Advisory | CHS | 89 min |
| Jul 23, 1:24 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 26, 6:25 PM EDT | Special Weather Statement | CHS | 50 min |
| Jul 30, 7:11 PM EDT | Special Weather Statement | CHS | 19 min |
| Aug 1, 1:23 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 2, 4:16 PM EDT | Special Weather Statement | CHS | 44 min |
| Aug 2, 10:13 PM EDT | Flash Flood Watch | CHS | 21 hr |
| Aug 7, 8:07 PM EDT | Areal Flood Advisory | CHS | 83 min |
| Aug 9, 5:43 PM EDT | Severe Thunderstorm Warning | CHS | 62 min |
| Aug 9, 6:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 14, 8:02 PM EDT | Severe Thunderstorm Warning | CHS | 58 min |
| Aug 14, 8:33 PM EDT | Areal Flood Advisory | CHS | 72 min |
| Oct 9, 5:15 AM EDT | Tropical Storm Watch | CHS | 12 hr |
| Oct 9, 4:11 PM EDT | Tropical Storm Warning | CHS | 52 hr |
| Oct 10, 1:29 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 10, 2:44 PM EDT | Tornado Watch | SPC | 11 hr |
| Oct 10, 9:08 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 11, 10:50 AM EDT | Wind Advisory | CHS | 8 hr |
| Nov 5, 3:48 AM EST | Dense Fog Advisory | CHS | 6 hr |
| Nov 13, 4:56 AM EST | Dense Fog Advisory | CHS | 2 hr |
| Nov 15, 2:13 PM EST | Freeze Warning | CHS | 18 hr |
| Nov 16, 2:46 PM EST | Frost Advisory | CHS | 17 hr |
| Nov 21, 10:24 PM EST | Frost Advisory | CHS | 10 hr |
| Nov 23, 8:17 PM EST | River Flood Warning | CHS | 87 days |
| Nov 26, 3:40 AM EST | Freeze Watch | CHS | 24 hr |
| Nov 27, 3:21 AM EST | Freeze Warning | CHS | 30 hr |
| Nov 27, 8:46 PM EST | River Flood Warning | CHS | 77 days |
| Dec 2, 2:41 PM EST | Special Weather Statement | CHS | 34 min |
| Dec 20, 3:24 PM EST | Wind Advisory | CHS | 27 hr |
| Dec 30, 2:54 PM EST | Dense Fog Advisory | CHS | 21 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 | 13 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 13 |
| Special Weather Statement | 22 |
| Flooding | |
| River Flood Warning | 4 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Weather Advisory | 2 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 5 |
| Freeze Watch | 3 |
| Frost Advisory | 5 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.