Alert archive / Georgia / Habersham County
Weather alerts in Habersham County, Georgia, 2011
164 weather alerts in 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Habersham County and its neighbors
Each county as a circle sized by its count in 2011. Tap one for its archive.
- Alerts
- 164
- Warnings
- 35
- Watches
- 27
- Advisories
- 41
- Busiest month
- June41 alerts
- Busiest day
- May 26, 20117 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
2 of 4 tornado warnings covering Habersham County in 2011 had a tornado report inside them; 2 of 2 tornado reports fell inside a warning, on average 19 minutes after it went out.
Habersham County, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 4 | 2 | 50% | 2 | 100% | 19 min |
| Severe thunderstorm warnings | 27 | 22 | 19% | 15 | 93% | 33 min |
| Flash flood warnings | 2 | 2 | 0% | 2 | 100% | 133 min |
Each office's whole area, 2011
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Greenville-Spartanburg, SC: tornado warnings | 42 | 11 | 74% | 25 | 96% | 21 min |
| NWS Greenville-Spartanburg, SC: severe thunderstorm warnings | 693 | 551 | 20% | 1,309 | 89% | 26 min |
| NWS Greenville-Spartanburg, SC: flash flood warnings | 31 | 20 | 35% | 46 | 85% | 105 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 8, 3:32 AM EST | Lake Wind Advisory | GSP | 14 hr |
| Jan 8, 4:20 AM EST | Winter Storm Watch | GSP | 35 hr |
| Jan 9, 3:53 AM EST | Winter Storm Warning | GSP | 53 hr |
| Jan 9, 11:56 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 11, 3:47 AM EST | Winter Weather Advisory | GSP | 56 hr |
| Jan 20, 3:01 PM EST | Winter Weather Advisory | GSP | 13 hr |
| Feb 1, 2:45 PM EST | Lake Wind Advisory | GSP | 27 hr |
| Feb 3, 6:54 PM EST | Winter Weather Advisory | GSP | 8 hr |
| Feb 9, 10:58 AM EST | Winter Weather Advisory | GSP | 16 hr |
| Feb 14, 3:40 AM EST | Lake Wind Advisory | GSP | 14 hr |
| Feb 21, 3:50 AM EST | Lake Wind Advisory | GSP | 15 hr |
| Feb 24, 2:18 PM EST | Lake Wind Advisory | GSP | 28 hr |
| Feb 25, 2:35 AM EST | Mesoscale Discussion | SPC | 55 min |
| Feb 27, 8:21 PM EST | Lake Wind Advisory | GSP | 23 hr |
| Feb 28, 1:29 PM EST | Tornado Watch | SPC | 7 hr |
| Feb 28, 3:57 PM EST | Severe Thunderstorm Warning | GSP | 63 min |
| Feb 28, 4:36 PM EST | Mesoscale Discussion | SPC | 84 min |
| Mar 5, 3:31 AM EST | Lake Wind Advisory | GSP | 37 hr |
| Mar 5, 2:49 PM EST | Flood Watch | GSP | 24 hr |
| Mar 6, 12:35 AM EST | Areal Flood Advisory | GSP | 115 min |
| Mar 6, 2:47 AM EST | Areal Flood Advisory | GSP | 103 min |
| Mar 6, 4:17 AM EST | Flash Flood Warning | GSP | 6 hr |
| Mar 6, 9:49 AM EST | Areal Flood Warning | GSP | 3 hr |
| Mar 6, 12:29 PM EST | Areal Flood Advisory | GSP | 3 hr |
| Mar 8, 2:57 AM EST | Flood Watch | GSP | 58 hr |
| Mar 9, 2:53 PM EST | Flash Flood Warning | GSP | 6 hr |
| Mar 10, 4:07 AM EST | Lake Wind Advisory | GSP | 38 hr |
| Mar 19, 7:18 PM EDT | Special Weather Statement | GSP | 42 min |
| Mar 23, 2:45 AM EDT | Lake Wind Advisory | GSP | 24 hr |
| Mar 23, 9:21 PM EDT | Mesoscale Discussion | SPC | 24 min |
| Mar 26, 8:55 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Mar 26, 9:19 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 26, 10:18 PM EDT | Severe Thunderstorm Warning | GSP | 11 min |
| Mar 27, 12:43 AM EDT | Mesoscale Discussion | SPC | 62 min |
| Apr 1, 2:51 PM EDT | Wind Advisory | GSP | 29 hr |
| Apr 3, 2:44 PM EDT | Lake Wind Advisory | GSP | 51 hr |
| Apr 4, 9:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 4, 10:14 PM EDT | Severe Thunderstorm Warning | GSP | 61 min |
| Apr 4, 11:06 PM EDT | Severe Thunderstorm Warning | GSP | 54 min |
| Apr 4, 11:28 PM EDT | Severe Thunderstorm Warning | GSP | 62 min |
| Apr 5, 4:08 AM EDT | Frost Advisory | GSP | 29 hr |
| Apr 9, 1:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Apr 9, 2:44 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 11, 7:42 PM EDT | Mesoscale Discussion | SPC | 33 min |
| Apr 11, 8:08 PM EDT | Tornado Watch | SPC | 7 hr |
| Apr 11, 9:23 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Apr 12, 1:21 AM EDT | Lake Wind Advisory | GSP | 19 hr |
| Apr 15, 4:10 AM EDT | Lake Wind Advisory | GSP | 36 hr |
| Apr 15, 6:21 PM EDT | Special Weather Statement | GSP | 39 min |
| Apr 15, 6:25 PM EDT | Special Weather Statement | GSP | 65 min |
| Apr 16, 3:52 PM EDT | Lake Wind Advisory | GSP | 14 hr |
| Apr 16, 3:52 PM EDT | Wind Advisory | GSP | 4 hr |
| Apr 20, 7:55 AM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 20, 8:44 AM EDT | Special Weather Statement | GSP | 46 min |
| Apr 20, 8:57 AM EDT | Severe Thunderstorm Warning | GSP | 50 min |
| Apr 25, 5:37 PM EDT | Severe Thunderstorm Warning | GSP | 68 min |
| Apr 25, 6:33 PM EDT | Areal Flood Advisory | GSP | 117 min |
| Apr 27, 3:27 AM EDT | Lake Wind Advisory | GSP | 28 hr |
| Apr 27, 6:41 PM EDT | Mesoscale Discussion | SPC | 34 min |
| Apr 27, 6:52 PM EDT | Tornado Watch | SPC | 9 hr |
| Apr 27, 10:43 PM EDT | Tornado Warning | GSP | 47 min |
| Apr 28, 12:04 AM EDT | Tornado Warning | GSP | 41 min |
| Apr 28, 12:09 AM EDT | Mesoscale Discussion | SPC | 36 min |
| Apr 28, 12:21 AM EDT | Tornado Warning | GSP | 39 min |
| Apr 28, 12:54 AM EDT | Tornado Warning | GSP | 51 min |
| Apr 28, 12:56 AM EDT | Tornado Watch | SPC | 4 hr |
| May 11, 6:54 PM EDT | Severe Thunderstorm Warning | GSP | 66 min |
| May 13, 1:10 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 13, 3:47 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 26, 10:15 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| May 26, 3:32 PM EDT | Mesoscale Discussion | SPC | 58 min |
| May 26, 4:36 PM EDT | Mesoscale Discussion | SPC | 84 min |
| May 26, 4:56 PM EDT | Severe Thunderstorm Warning | GSP | 64 min |
| May 26, 5:10 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 26, 5:54 PM EDT | Severe Thunderstorm Warning | GSP | 51 min |
| May 26, 6:20 PM EDT | Special Weather Statement | GSP | 40 min |
| Jun 1, 5:25 PM EDT | Severe Thunderstorm Warning | GSP | 28 min |
| Jun 3, 4:12 PM EDT | Severe Thunderstorm Warning | GSP | 63 min |
| Jun 3, 5:06 PM EDT | Severe Thunderstorm Warning | GSP | 54 min |
| Jun 3, 5:54 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 5, 5:45 PM EDT | Mesoscale Discussion | SPC | 60 min |
| Jun 6, 5:04 PM EDT | Special Weather Statement | GSP | 41 min |
| Jun 7, 6:04 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 8, 3:32 PM EDT | Severe Thunderstorm Warning | GSP | 58 min |
| Jun 8, 4:33 PM EDT | Severe Thunderstorm Warning | GSP | 57 min |
| Jun 9, 1:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Jun 11, 1:48 PM EDT | Mesoscale Discussion | SPC | 87 min |
| Jun 11, 4:16 PM EDT | Severe Thunderstorm Warning | GSP | 59 min |
| Jun 12, 2:54 PM EDT | Severe Thunderstorm Warning | GSP | 66 min |
| Jun 12, 3:07 PM EDT | Severe Thunderstorm Warning | GSP | 53 min |
| Jun 15, 12:52 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 15, 4:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jun 15, 6:53 PM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 15, 7:06 PM EDT | Severe Thunderstorm Warning | GSP | 54 min |
| Jun 18, 9:38 AM EDT | Mesoscale Discussion | SPC | 97 min |
| Jun 18, 11:05 AM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 18, 2:21 PM EDT | Mesoscale Discussion | SPC | 84 min |
| Jun 18, 5:39 PM EDT | Severe Thunderstorm Warning | GSP | 81 min |
| Jun 19, 2:22 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 19, 4:13 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jun 19, 6:58 PM EDT | Mesoscale Discussion | SPC | 62 min |
| Jun 19, 9:41 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 21, 2:11 PM EDT | Mesoscale Discussion | SPC | 64 min |
| Jun 22, 5:20 PM EDT | Special Weather Statement | GSP | 40 min |
| Jun 22, 5:30 PM EDT | Severe Thunderstorm Warning | GSP | 60 min |
| Jun 22, 5:38 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 22, 6:08 PM EDT | Severe Thunderstorm Warning | GSP | 52 min |
| Jun 22, 9:37 PM EDT | Special Weather Statement | GSP | 38 min |
| Jun 23, 8:28 AM EDT | Special Weather Statement | GSP | 47 min |
| Jun 24, 4:42 PM EDT | Mesoscale Discussion | SPC | 93 min |
| Jun 26, 11:34 AM EDT | Mesoscale Discussion | SPC | 56 min |
| Jun 26, 1:36 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 26, 4:14 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 26, 4:38 PM EDT | Severe Thunderstorm Warning | GSP | 66 min |
| Jun 26, 6:29 PM EDT | Mesoscale Discussion | SPC | 46 min |
| Jun 26, 7:51 PM EDT | Special Weather Statement | GSP | 39 min |
| Jun 26, 8:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jul 1, 8:06 PM EDT | Special Weather Statement | GSP | 24 min |
| Jul 2, 5:32 PM EDT | Severe Thunderstorm Warning | GSP | 50 min |
| Jul 3, 5:38 PM EDT | Special Weather Statement | GSP | 37 min |
| Jul 4, 6:55 PM EDT | Special Weather Statement | GSP | 50 min |
| Jul 12, 8:27 AM EDT | Special Weather Statement | GSP | 48 min |
| Jul 31, 3:09 PM EDT | Severe Thunderstorm Warning | GSP | 40 min |
| Aug 5, 4:33 PM EDT | Special Weather Statement | GSP | 27 min |
| Aug 5, 7:05 PM EDT | Special Weather Statement | GSP | 25 min |
| Aug 7, 7:10 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 10:39 PM EDT | Special Weather Statement | GSP | 51 min |
| Aug 8, 3:24 PM EDT | Special Weather Statement | GSP | 51 min |
| Aug 8, 3:35 PM EDT | Severe Thunderstorm Warning | GSP | 55 min |
| Aug 12, 1:46 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 2:25 PM EDT | Severe Thunderstorm Warning | GSP | 65 min |
| Aug 14, 1:50 PM EDT | Mesoscale Discussion | SPC | 55 min |
| Aug 14, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 18, 2:59 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 6:09 PM EDT | Special Weather Statement | GSP | 51 min |
| Sep 4, 12:33 PM EDT | Flash Flood Watch | GSP | 51 hr |
| Sep 5, 3:42 PM EDT | Tornado Watch | SPC | 7 hr |
| Sep 5, 7:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Sep 15, 2:51 PM EDT | Lake Wind Advisory | GSP | 13 hr |
| Sep 23, 2:31 AM EDT | Special Weather Statement | GSP | 89 min |
| Sep 23, 4:00 AM EDT | Areal Flood Advisory | GSP | 3 hr |
| Sep 26, 4:10 PM EDT | Mesoscale Discussion | SPC | 95 min |
| Sep 30, 3:22 PM EDT | Lake Wind Advisory | GSP | 36 hr |
| Oct 13, 2:47 PM EDT | Lake Wind Advisory | GSP | 28 hr |
| Oct 19, 3:40 AM EDT | Lake Wind Advisory | GSP | 39 hr |
| Oct 19, 2:50 PM EDT | Lake Wind Advisory | GSP | 28 hr |
| Oct 20, 4:03 AM EDT | Frost Advisory | GSP | 29 hr |
| Oct 21, 2:30 PM EDT | Frost Advisory | GSP | 20 hr |
| Oct 22, 2:55 PM EDT | Frost Advisory | GSP | 18 hr |
| Nov 4, 4:21 AM EDT | Lake Wind Advisory | GSP | 15 hr |
| Nov 16, 1:17 PM EST | Mesoscale Discussion | SPC | 118 min |
| Nov 16, 1:35 PM EST | Tornado Watch | SPC | 7 hr |
| Nov 22, 4:24 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Nov 23, 3:33 AM EST | Lake Wind Advisory | GSP | 18 hr |
| Nov 27, 2:50 PM EST | Flood Watch | GSP | 20 hr |
| Nov 28, 10:55 AM EST | Flood Watch | GSP | 16 hr |
| Dec 7, 3:39 AM EST | Lake Wind Advisory | GSP | 18 hr |
| Dec 21, 9:24 PM EST | Dense Fog Advisory | GSP | 13 hr |
| Dec 22, 4:13 AM EST | Dense Fog Advisory | GSP | 6 hr |
| Dec 22, 2:02 PM EST | Mesoscale Discussion | SPC | 118 min |
| Dec 22, 3:20 PM EST | Tornado Watch | SPC | 6 hr |
| Dec 22, 6:25 PM EST | Mesoscale Discussion | SPC | 95 min |
| Dec 27, 3:29 AM EST | Lake Wind Advisory | GSP | 15 hr |
| Dec 27, 3:29 AM EST | Wind Advisory | GSP | 27 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 | 27 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 14 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 41 |
| Special Weather Statement | 20 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 2 |
| Flash Flood Watch | 1 |
| Flood Watch | 4 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 4 |
| Cold | |
| Frost Advisory | 4 |
| Wind and dust | |
| Lake Wind Advisory | 23 |
| Wind Advisory | 3 |
| 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 archive20102012
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.