Alert archive / Georgia / Lanier County
Weather alerts in Lanier County, Georgia, 2021
133 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lanier County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 133
- Warnings
- 22
- Watches
- 17
- Advisories
- 29
- Busiest month
- April19 alerts
- Busiest day
- April 24, 20218 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 Lanier County in 2021 had a tornado report inside them.
Lanier County, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 1 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 13 | 10 | 23% | 1 | 100% | 52 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2021
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Tallahassee, FL: tornado warnings | 83 | 24 | 71% | 37 | 86% | 12 min |
| NWS Tallahassee, FL: severe thunderstorm warnings | 251 | 153 | 39% | 407 | 94% | 31 min |
| NWS Tallahassee, FL: flash flood warnings | 55 | 44 | 20% | 140 | 99% | 102 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, 2:33 PM EST | Flash Flood Watch | TAE | 32 hr |
| Jan 2, 8:51 AM EST | Areal Flood Advisory | TAE | 3 hr |
| Jan 2, 9:13 AM EST | Flash Flood Warning | TAE | 6 hr |
| Jan 27, 11:16 AM EST | Mesoscale Discussion | SPC | 119 min |
| Jan 27, 12:19 PM EST | Special Weather Statement | TAE | 41 min |
| Jan 31, 5:38 PM EST | Special Weather Statement | TAE | 52 min |
| Jan 31, 6:25 PM EST | Special Weather Statement | TAE | 50 min |
| Feb 9, 6:21 PM EST | Dense Fog Advisory | TAE | 17 hr |
| Feb 10, 3:06 PM EST | Dense Fog Advisory | TAE | 19 hr |
| Feb 12, 5:30 AM EST | Dense Fog Advisory | TAE | 5 hr |
| Feb 12, 3:13 PM EST | Flash Flood Watch | TAE | 48 hr |
| Feb 15, 3:02 PM EST | Tornado Watch | SPC | 7 hr |
| Feb 15, 3:24 PM EST | Severe Thunderstorm Warning | TAE | 55 min |
| Feb 15, 4:08 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 17, 2:26 PM EST | Flash Flood Watch | TAE | 33 hr |
| Feb 18, 8:09 AM EST | Mesoscale Discussion | SPC | 2 hr |
| Feb 18, 8:45 AM EST | Tornado Watch | SPC | 7 hr |
| Feb 18, 1:43 PM EST | Mesoscale Discussion | SPC | 92 min |
| Feb 22, 9:33 PM EST | Dense Fog Advisory | TAE | 8 hr |
| Feb 25, 9:50 PM EST | Dense Fog Advisory | TAE | 12 hr |
| Mar 18, 7:32 AM EDT | Mesoscale Discussion | SPC | 58 min |
| Mar 18, 7:53 AM EDT | Tornado Watch | SPC | 5 hr |
| Mar 18, 10:41 AM EDT | Special Weather Statement | TAE | 94 min |
| Mar 18, 11:05 AM EDT | Mesoscale Discussion | SPC | 115 min |
| Mar 18, 12:12 PM EDT | Special Weather Statement | TAE | 33 min |
| Mar 28, 5:51 PM EDT | Mesoscale Discussion | SPC | 54 min |
| Mar 28, 7:14 PM EDT | Special Weather Statement | TAE | 46 min |
| Mar 28, 7:50 PM EDT | Special Weather Statement | TAE | 40 min |
| Mar 31, 7:12 PM EDT | Special Weather Statement | TAE | 48 min |
| Mar 31, 7:55 PM EDT | Special Weather Statement | TAE | 35 min |
| Mar 31, 8:29 PM EDT | Special Weather Statement | TAE | 46 min |
| Apr 2, 2:22 AM EDT | Frost Advisory | TAE | 31 hr |
| Apr 10, 10:20 AM EDT | Tornado Watch | SPC | 4 hr |
| Apr 10, 1:20 PM EDT | Special Weather Statement | TAE | 70 min |
| Apr 24, 1:45 AM EDT | Flash Flood Watch | TAE | 22 hr |
| Apr 24, 2:00 AM EDT | Wind Advisory | TAE | 18 hr |
| Apr 24, 6:22 AM EDT | Tornado Watch | SPC | 9 hr |
| Apr 24, 8:29 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Apr 24, 10:10 AM EDT | Mesoscale Discussion | SPC | 95 min |
| Apr 24, 10:10 AM EDT | Severe Thunderstorm Warning | TAE | 65 min |
| Apr 24, 12:05 PM EDT | Mesoscale Discussion | SPC | 85 min |
| Apr 24, 7:47 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Apr 24, 8:48 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 24, 9:21 PM EDT | Severe Thunderstorm Warning | TAE | 54 min |
| Apr 24, 9:55 PM EDT | Tornado Warning | TAE | 35 min |
| Apr 24, 10:30 PM EDT | Special Weather Statement | TAE | 30 min |
| Apr 24, 10:39 PM EDT | Severe Thunderstorm Warning | TAE | 51 min |
| Apr 24, 11:24 PM EDT | Special Weather Statement | TAE | 51 min |
| Apr 24, 11:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 4, 7:26 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 4, 11:13 PM EDT | Severe Thunderstorm Warning | TAE | 77 min |
| May 11, 1:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| May 12, 8:14 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 12, 10:17 AM EDT | Mesoscale Discussion | SPC | 118 min |
| May 12, 11:47 AM EDT | Severe Thunderstorm Warning | TAE | 48 min |
| May 12, 12:30 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 6, 10:05 PM EDT | Special Weather Statement | JAX | 40 min |
| Jun 7, 1:55 PM EDT | Special Weather Statement | JAX | 35 min |
| Jun 11, 4:10 PM EDT | Special Weather Statement | TAE | 50 min |
| Jun 11, 4:59 PM EDT | Special Weather Statement | TAE | 31 min |
| Jun 12, 2:36 PM EDT | Special Weather Statement | TAE | 39 min |
| Jun 12, 7:13 PM EDT | Severe Thunderstorm Warning | TAE | 62 min |
| Jun 19, 3:45 PM EDT | Special Weather Statement | TAE | 30 min |
| Jun 19, 8:00 PM EDT | Tornado Watch | SPC | 13 hr |
| Jun 20, 6:00 AM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 8:40 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 22, 6:19 AM EDT | Special Weather Statement | TAE | 56 min |
| Jul 1, 4:37 PM EDT | Special Weather Statement | TAE | 38 min |
| Jul 1, 4:57 PM EDT | Special Weather Statement | TAE | 48 min |
| Jul 1, 5:57 PM EDT | Areal Flood Advisory | TAE | 3 hr |
| Jul 5, 5:00 PM EDT | Tropical Storm Warning | TAE | 51 hr |
| Jul 6, 2:45 AM EDT | Flood Watch | TAE | 39 hr |
| Jul 7, 2:59 PM EDT | Flash Flood Warning | TAE | 3 hr |
| Jul 7, 6:19 PM EDT | Areal Flood Warning | TAE | 6 hr |
| Jul 12, 4:17 PM EDT | Special Weather Statement | TAE | 43 min |
| Jul 12, 4:23 PM EDT | Severe Thunderstorm Warning | TAE | 37 min |
| Jul 12, 4:50 PM EDT | Special Weather Statement | JAX | 25 min |
| Jul 20, 3:17 PM EDT | Special Weather Statement | TAE | 43 min |
| Jul 21, 2:57 PM EDT | Special Weather Statement | TAE | 63 min |
| Jul 21, 3:06 PM EDT | Severe Thunderstorm Warning | TAE | 24 min |
| Jul 28, 2:34 PM EDT | Heat Advisory | TAE | 28 hr |
| Jul 28, 6:30 PM EDT | Severe Thunderstorm Warning | TAE | 30 min |
| Jul 28, 7:00 PM EDT | Severe Thunderstorm Warning | TAE | 45 min |
| Jul 29, 3:57 AM EDT | Heat Advisory | TAE | 39 hr |
| Jul 30, 3:14 PM EDT | Heat Advisory | TAE | 29 hr |
| Jul 31, 9:07 PM EDT | Special Weather Statement | TAE | 38 min |
| Jul 31, 9:45 PM EDT | Special Weather Statement | TAE | 45 min |
| Aug 1, 5:31 PM EDT | Special Weather Statement | TAE | 44 min |
| Aug 2, 10:32 AM EDT | Flash Flood Watch | TAE | 5 days |
| Aug 2, 6:05 PM EDT | Special Weather Statement | TAE | 40 min |
| Aug 2, 7:11 PM EDT | Special Weather Statement | TAE | 49 min |
| Aug 2, 7:13 PM EDT | Areal Flood Advisory | TAE | 2 hr |
| Aug 2, 9:30 PM EDT | Areal Flood Warning | TAE | 2 hr |
| Aug 15, 1:15 PM EDT | Special Weather Statement | TAE | 45 min |
| Aug 15, 2:00 PM EDT | Special Weather Statement | TAE | 45 min |
| Aug 19, 3:33 AM EDT | Heat Advisory | TAE | 15 hr |
| Aug 22, 1:57 PM EDT | Special Weather Statement | TAE | 33 min |
| Aug 26, 4:54 PM EDT | Special Weather Statement | TAE | 51 min |
| Aug 26, 5:46 PM EDT | Special Weather Statement | TAE | 29 min |
| Aug 28, 5:14 PM EDT | Special Weather Statement | TAE | 46 min |
| Aug 31, 12:13 PM EDT | Special Weather Statement | TAE | 62 min |
| Aug 31, 12:28 PM EDT | Severe Thunderstorm Warning | TAE | 50 min |
| Sep 1, 7:27 PM EDT | Special Weather Statement | TAE | 63 min |
| Sep 1, 7:59 PM EDT | Severe Thunderstorm Warning | TAE | 61 min |
| Sep 1, 8:56 PM EDT | Special Weather Statement | TAE | 34 min |
| Sep 7, 5:42 PM EDT | Special Weather Statement | TAE | 33 min |
| Sep 8, 2:28 AM EDT | Flash Flood Watch | TAE | 30 hr |
| Sep 22, 5:45 PM EDT | Special Weather Statement | TAE | 45 min |
| Oct 7, 3:34 AM EDT | Dense Fog Advisory | TAE | 5 hr |
| Oct 7, 5:01 PM EDT | Special Weather Statement | TAE | 29 min |
| Oct 9, 8:26 AM EDT | Dense Fog Advisory | TAE | 94 min |
| Oct 27, 2:48 AM EDT | Wind Advisory | TAE | 65 hr |
| Nov 13, 1:49 AM EST | Frost Advisory | TAE | 30 hr |
| Nov 23, 2:54 PM EST | Freeze Warning | TAE | 17 hr |
| Nov 25, 2:52 PM EST | Freeze Watch | TAE | 13 hr |
| Nov 26, 3:53 AM EST | Freeze Warning | TAE | 28 hr |
| Nov 29, 2:39 PM EST | Freeze Warning | TAE | 17 hr |
| Dec 3, 9:27 PM EST | Dense Fog Advisory | TAE | 14 hr |
| Dec 4, 9:09 PM EST | Dense Fog Advisory | TAE | 13 hr |
| Dec 5, 9:43 PM EST | Dense Fog Advisory | TAE | 11 hr |
| Dec 7, 8:10 PM EST | Dense Fog Advisory | TAE | 13 hr |
| Dec 8, 1:33 PM EST | Special Weather Statement | TAE | 42 min |
| Dec 9, 7:53 AM EST | Dense Fog Advisory | TAE | 2 hr |
| Dec 10, 9:01 PM EST | Dense Fog Advisory | TAE | 13 hr |
| Dec 16, 2:59 PM EST | Dense Fog Advisory | TAE | 19 hr |
| Dec 25, 12:41 AM EST | Dense Fog Advisory | TAE | 8 hr |
| Dec 26, 2:52 AM EST | Dense Fog Advisory | TAE | 6 hr |
| Dec 26, 7:39 PM EST | Dense Fog Advisory | TAE | 14 hr |
| Dec 27, 10:12 AM EST | Dense Fog Advisory | TAE | 48 min |
| Dec 30, 4:49 PM EST | Special Weather Statement | TAE | 41 min |
| Dec 30, 5:31 PM EST | Special Weather Statement | TAE | 44 min |
| Dec 30, 6:08 PM EST | Special Weather Statement | TAE | 37 min |
| Dec 30, 6:35 PM EST | Mesoscale Discussion | SPC | 115 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 | 13 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 3 |
| Tornado Watch | 6 |
| Mesoscale Discussion | 18 |
| Special Weather Statement | 47 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 6 |
| Flood Watch | 1 |
| Areal Flood Advisory | 3 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 18 |
| Tropical | |
| Tropical Storm Warning | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.