Alert archive / Georgia / Glynn County
Weather alerts in Glynn County, Georgia, 2015
172 weather alerts in 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Glynn County and its neighbors
Each county as a circle sized by its count in 2015. Tap one for its archive.
- Alerts
- 172
- Warnings
- 32
- Watches
- 11
- Advisories
- 53
- Busiest month
- June33 alerts
- Busiest day
- June 2, 20159 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Glynn County, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 22 | 11 | 50% | 5 | 100% | 20 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2015
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Jacksonville, FL: tornado warnings | 7 | 0 | 100% | 12 | 0% | |
| NWS Jacksonville, FL: severe thunderstorm warnings | 317 | 175 | 45% | 415 | 72% | 17 min |
| NWS Jacksonville, FL: flash flood warnings | 0 | 1 | 0% |
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 4, 10:28 AM EST | Mesoscale Discussion | SPC | 92 min |
| Jan 4, 11:37 AM EST | Tornado Watch | SPC | 5 hr |
| Jan 4, 1:39 PM EST | Mesoscale Discussion | SPC | 96 min |
| Jan 4, 3:17 PM EST | Special Weather Statement | JAX | 43 min |
| Jan 4, 3:57 PM EST | Special Weather Statement | JAX | 63 min |
| Jan 6, 2:48 PM EST | Hard Freeze Watch | JAX | 13 hr |
| Jan 7, 3:38 AM EST | Wind Chill Advisory | JAX | 30 hr |
| Jan 7, 3:55 AM EST | Hard Freeze Warning | JAX | 31 hr |
| Jan 7, 3:55 AM EST | Wind Advisory | JAX | 30 hr |
| Jan 11, 10:50 PM EST | Dense Fog Advisory | JAX | 5 hr |
| Jan 12, 6:03 PM EST | Dense Fog Advisory | JAX | 11 hr |
| Jan 13, 9:05 AM EST | Dense Fog Advisory | JAX | 10 hr |
| Feb 12, 9:09 PM EST | Freeze Watch | JAX | 14 hr |
| Feb 12, 9:09 PM EST | Hard Freeze Watch | JAX | 14 hr |
| Feb 13, 10:59 AM EST | Freeze Warning | JAX | 22 hr |
| Feb 13, 10:59 AM EST | Hard Freeze Warning | JAX | 22 hr |
| Feb 17, 2:17 PM EST | Hard Freeze Watch | JAX | 12 hr |
| Feb 18, 2:04 AM EST | Hard Freeze Watch | JAX | 24 hr |
| Feb 18, 2:04 AM EST | Hard Freeze Warning | JAX | 31 hr |
| Feb 18, 8:45 AM EST | Wind Chill Advisory | JAX | 24 hr |
| Feb 19, 2:24 AM EST | Hard Freeze Warning | JAX | 31 hr |
| Feb 26, 1:04 AM EST | Special Weather Statement | JAX | 26 min |
| Feb 26, 1:07 AM EST | Severe Thunderstorm Warning | JAX | 23 min |
| Feb 28, 2:51 AM EST | Rip Current Statement | JAX | 47 hr |
| Mar 2, 7:11 AM EST | Dense Fog Advisory | JAX | 3 hr |
| Mar 2, 9:59 AM EST | Dense Fog Advisory | JAX | 61 min |
| Mar 3, 9:31 AM EST | River Flood Warning | JAX | 12 days |
| Mar 6, 2:09 PM EST | Frost Advisory | JAX | 18 hr |
| Mar 7, 1:44 PM EST | Frost Advisory | JAX | 18 hr |
| Mar 12, 4:58 AM EDT | Dense Fog Advisory | JAX | 5 hr |
| Mar 20, 3:25 AM EDT | Dense Fog Advisory | JAX | 6 hr |
| Mar 20, 7:44 PM EDT | Dense Fog Advisory | JAX | 14 hr |
| Mar 31, 6:02 AM EDT | Dense Fog Advisory | JAX | 4 hr |
| Mar 31, 9:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Apr 5, 3:38 AM EDT | Rip Current Statement | JAX | 23 hr |
| Apr 12, 6:46 PM EDT | Areal Flood Advisory | JAX | 3 hr |
| Apr 12, 7:33 PM EDT | Areal Flood Advisory | JAX | 117 min |
| Apr 13, 7:58 PM EDT | Special Weather Statement | JAX | 17 min |
| Apr 18, 7:59 PM EDT | Special Weather Statement | JAX | 46 min |
| Apr 18, 8:13 PM EDT | Severe Thunderstorm Warning | JAX | 17 min |
| Apr 19, 1:04 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 19, 3:34 PM EDT | Severe Thunderstorm Warning | JAX | 26 min |
| Apr 19, 4:26 PM EDT | Special Weather Statement | JAX | 19 min |
| Apr 19, 4:55 PM EDT | Severe Thunderstorm Warning | JAX | 35 min |
| Apr 19, 5:29 PM EDT | Special Weather Statement | JAX | 31 min |
| Apr 20, 11:04 AM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 25, 4:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 25, 9:16 PM EDT | Severe Thunderstorm Warning | JAX | 29 min |
| Apr 25, 9:47 PM EDT | Special Weather Statement | JAX | 13 min |
| Apr 27, 9:58 PM EDT | River Flood Warning | JAX | 12 days |
| May 12, 5:01 PM EDT | Special Weather Statement | JAX | 44 min |
| May 12, 5:52 PM EDT | Special Weather Statement | JAX | 23 min |
| May 12, 6:04 PM EDT | Areal Flood Advisory | JAX | 116 min |
| May 19, 4:53 PM EDT | Special Weather Statement | JAX | 52 min |
| May 23, 4:34 PM EDT | Rip Current Statement | JAX | 11 hr |
| May 24, 3:34 AM EDT | Rip Current Statement | JAX | 40 hr |
| Jun 2, 3:37 PM EDT | Special Weather Statement | JAX | 23 min |
| Jun 2, 4:09 PM EDT | Severe Thunderstorm Warning | JAX | 36 min |
| Jun 2, 4:36 PM EDT | Special Weather Statement | JAX | 24 min |
| Jun 2, 4:40 PM EDT | Areal Flood Advisory | JAX | 95 min |
| Jun 2, 5:15 PM EDT | Special Weather Statement | JAX | 30 min |
| Jun 2, 5:48 PM EDT | Areal Flood Warning | JAX | 87 min |
| Jun 2, 5:49 PM EDT | Special Weather Statement | JAX | 26 min |
| Jun 2, 6:24 PM EDT | Severe Thunderstorm Warning | JAX | 36 min |
| Jun 2, 6:42 PM EDT | Areal Flood Advisory | JAX | 93 min |
| Jun 3, 1:14 PM EDT | Special Weather Statement | JAX | 31 min |
| Jun 3, 6:16 PM EDT | Severe Thunderstorm Warning | JAX | 44 min |
| Jun 3, 7:31 PM EDT | Severe Thunderstorm Warning | JAX | 44 min |
| Jun 3, 7:54 PM EDT | Areal Flood Advisory | JAX | 96 min |
| Jun 5, 2:18 PM EDT | Special Weather Statement | JAX | 42 min |
| Jun 11, 4:21 PM EDT | Special Weather Statement | JAX | 39 min |
| Jun 12, 5:55 PM EDT | Severe Thunderstorm Warning | JAX | 50 min |
| Jun 17, 2:29 AM EDT | Heat Advisory | JAX | 17 hr |
| Jun 19, 5:40 PM EDT | Special Weather Statement | JAX | 35 min |
| Jun 19, 6:20 PM EDT | Severe Thunderstorm Warning | JAX | 40 min |
| Jun 22, 4:57 PM EDT | Special Weather Statement | JAX | 48 min |
| Jun 22, 5:44 PM EDT | Special Weather Statement | JAX | 46 min |
| Jun 22, 6:07 PM EDT | Severe Thunderstorm Warning | JAX | 38 min |
| Jun 22, 6:45 PM EDT | Special Weather Statement | JAX | 45 min |
| Jun 22, 9:26 PM EDT | Special Weather Statement | JAX | 34 min |
| Jun 25, 2:17 PM EDT | Special Weather Statement | JAX | 43 min |
| Jun 25, 3:27 PM EDT | Special Weather Statement | JAX | 48 min |
| Jun 25, 3:34 PM EDT | Areal Flood Advisory | JAX | 56 min |
| Jun 25, 3:53 PM EDT | Special Weather Statement | JAX | 52 min |
| Jun 25, 4:42 PM EDT | Areal Flood Advisory | JAX | 93 min |
| Jun 28, 2:36 PM EDT | Special Weather Statement | JAX | 39 min |
| Jun 28, 3:16 PM EDT | Special Weather Statement | JAX | 14 min |
| Jun 28, 3:36 PM EDT | Special Weather Statement | JAX | 24 min |
| Jun 30, 2:58 PM EDT | Special Weather Statement | JAX | 32 min |
| Jul 2, 5:32 PM EDT | Special Weather Statement | JAX | 43 min |
| Jul 2, 5:37 PM EDT | Severe Thunderstorm Warning | JAX | 38 min |
| Jul 2, 6:08 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jul 2, 6:13 PM EDT | Severe Thunderstorm Warning | JAX | 47 min |
| Jul 4, 4:06 PM EDT | Severe Thunderstorm Warning | JAX | 39 min |
| Jul 5, 3:23 PM EDT | Special Weather Statement | JAX | 52 min |
| Jul 5, 4:14 PM EDT | Severe Thunderstorm Warning | JAX | 46 min |
| Jul 12, 5:50 PM EDT | Special Weather Statement | JAX | 40 min |
| Jul 12, 6:43 PM EDT | Special Weather Statement | JAX | 47 min |
| Jul 14, 5:08 PM EDT | Special Weather Statement | JAX | 52 min |
| Jul 14, 5:30 PM EDT | Severe Thunderstorm Warning | JAX | 45 min |
| Jul 15, 1:57 PM EDT | Mesoscale Discussion | SPC | 63 min |
| Jul 15, 2:14 PM EDT | Heat Advisory | JAX | 3 hr |
| Jul 20, 6:01 PM EDT | Special Weather Statement | JAX | 44 min |
| Jul 21, 11:26 AM EDT | Heat Advisory | JAX | 7 hr |
| Jul 21, 2:47 PM EDT | Special Weather Statement | JAX | 43 min |
| Jul 21, 2:56 PM EDT | Special Weather Statement | JAX | 19 min |
| Jul 21, 3:21 PM EDT | Special Weather Statement | JAX | 24 min |
| Jul 22, 3:12 AM EDT | Heat Advisory | JAX | 15 hr |
| Jul 23, 3:27 AM EDT | Heat Advisory | JAX | 15 hr |
| Jul 23, 4:58 PM EDT | Special Weather Statement | JAX | 47 min |
| Jul 24, 7:23 PM EDT | Special Weather Statement | JAX | 37 min |
| Jul 31, 4:40 PM EDT | Special Weather Statement | JAX | 50 min |
| Jul 31, 4:43 PM EDT | Special Weather Statement | JAX | 47 min |
| Jul 31, 5:08 PM EDT | Areal Flood Advisory | JAX | 2 hr |
| Jul 31, 6:50 PM EDT | Special Weather Statement | JAX | 55 min |
| Jul 31, 7:38 PM EDT | Areal Flood Advisory | JAX | 97 min |
| Jul 31, 7:45 PM EDT | Special Weather Statement | JAX | 45 min |
| Jul 31, 8:02 PM EDT | Areal Flood Warning | JAX | 118 min |
| Jul 31, 9:50 PM EDT | Areal Flood Warning | JAX | 115 min |
| Aug 2, 4:24 PM EDT | Areal Flood Advisory | JAX | 96 min |
| Aug 6, 2:41 PM EDT | Special Weather Statement | JAX | 49 min |
| Aug 17, 3:50 PM EDT | Severe Thunderstorm Warning | JAX | 25 min |
| Aug 18, 6:22 PM EDT | Special Weather Statement | JAX | 38 min |
| Aug 18, 6:49 PM EDT | Areal Flood Advisory | JAX | 56 min |
| Aug 18, 6:55 PM EDT | Severe Thunderstorm Warning | JAX | 35 min |
| Aug 19, 5:56 PM EDT | Special Weather Statement | JAX | 64 min |
| Aug 19, 6:03 PM EDT | Areal Flood Advisory | JAX | 87 min |
| Aug 19, 6:40 PM EDT | Severe Thunderstorm Warning | JAX | 50 min |
| Aug 20, 7:56 PM EDT | Special Weather Statement | JAX | 49 min |
| Aug 21, 7:35 PM EDT | Special Weather Statement | JAX | 40 min |
| Aug 22, 7:35 PM EDT | Special Weather Statement | JAX | 40 min |
| Aug 22, 7:44 PM EDT | Severe Thunderstorm Warning | JAX | 31 min |
| Aug 22, 8:13 PM EDT | Severe Thunderstorm Warning | JAX | 32 min |
| Aug 23, 4:42 PM EDT | Special Weather Statement | JAX | 33 min |
| Aug 25, 7:22 PM EDT | Special Weather Statement | JAX | 23 min |
| Aug 28, 12:03 PM EDT | Areal Flood Advisory | JAX | 87 min |
| Aug 28, 2:20 PM EDT | Areal Flood Advisory | JAX | 85 min |
| Aug 30, 1:37 PM EDT | Areal Flood Advisory | JAX | 83 min |
| Aug 30, 4:27 PM EDT | Flood Watch | JAX | 22 hr |
| Sep 2, 4:22 PM EDT | Special Weather Statement | JAX | 53 min |
| Sep 3, 7:09 PM EDT | Special Weather Statement | JAX | 51 min |
| Sep 16, 2:53 PM EDT | Flood Watch | JAX | 43 hr |
| Sep 18, 10:07 AM EDT | Rip Current Statement | JAX | 20 hr |
| Sep 24, 3:46 AM EDT | Rip Current Statement | JAX | 16 hr |
| Sep 24, 12:10 PM EDT | Coastal Flood Advisory | JAX | 12 hr |
| Sep 25, 11:51 AM EDT | Coastal Flood Statement | JAX | 10 hr |
| Sep 26, 3:54 PM EDT | Coastal Flood Advisory | JAX | 8 days |
| Oct 1, 2:38 PM EDT | Rip Current Statement | JAX | 8 days |
| Oct 1, 2:38 PM EDT | High Surf Advisory | JAX | 3 days |
| Oct 1, 5:51 PM EDT | Areal Flood Advisory | JAX | 84 min |
| Oct 1, 7:42 PM EDT | Areal Flood Advisory | JAX | 93 min |
| Oct 5, 2:29 PM EDT | Coastal Flood Advisory | JAX | 7 days |
| Oct 5, 2:29 PM EDT | High Surf Advisory | JAX | 37 hr |
| Oct 18, 4:37 AM EDT | Rip Current Statement | JAX | 63 hr |
| Oct 26, 2:05 PM EDT | Coastal Flood Advisory | JAX | 49 hr |
| Nov 3, 5:18 PM EST | Special Weather Statement | JAX | 27 min |
| Nov 6, 6:07 PM EST | Dense Fog Advisory | JAX | 16 hr |
| Nov 8, 3:45 AM EST | Rip Current Statement | JAX | 24 hr |
| Nov 9, 9:48 AM EST | Areal Flood Advisory | JAX | 87 min |
| Nov 9, 10:01 AM EST | Special Weather Statement | JAX | 44 min |
| Nov 9, 11:08 AM EST | Areal Flood Advisory | JAX | 97 min |
| Nov 17, 3:08 AM EST | Rip Current Statement | JAX | 40 hr |
| Nov 23, 2:52 AM EST | Frost Advisory | JAX | 30 hr |
| Nov 24, 2:23 AM EST | Coastal Flood Advisory | JAX | 4 days |
| Nov 25, 2:36 AM EST | Rip Current Statement | JAX | 5 days |
| Dec 1, 5:31 AM EST | Dense Fog Advisory | JAX | 3 hr |
| Dec 4, 2:32 AM EST | Rip Current Statement | JAX | 64 hr |
| Dec 5, 10:07 AM EST | Coastal Flood Statement | JAX | 42 hr |
| Dec 19, 2:14 PM EST | Frost Advisory | JAX | 19 hr |
| Dec 25, 1:04 AM EST | Dense Fog Advisory | JAX | 8 hr |
| Dec 25, 9:39 AM EST | Dense Fog Advisory | JAX | 2 hr |
| Dec 26, 2:59 AM EST | Dense Fog Advisory | JAX | 6 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 | 22 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 57 |
| Flooding | |
| Areal Flood Warning | 3 |
| River Flood Warning | 2 |
| Flood Watch | 2 |
| Areal Flood Advisory | 20 |
| Heat | |
| Heat Advisory | 5 |
| Cold | |
| Freeze Warning | 1 |
| Hard Freeze Warning | 4 |
| Freeze Watch | 1 |
| Hard Freeze Watch | 4 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 14 |
| Coast and beach | |
| Coastal Flood Advisory | 5 |
| High Surf Advisory | 2 |
| Coastal Flood Statement | 2 |
| Rip Current Statement | 12 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20142016
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.