Alert archive / Tennessee / Franklin County
Weather alerts in Franklin County, Tennessee, 2008
121 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Franklin County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 121
- Warnings
- 35
- Watches
- 17
- Advisories
- 35
- Busiest month
- December19 alerts
- Busiest day
- December 10, 20087 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Franklin County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 22 | 4 | 82% | 6 | 33% | 18 min |
| Flash flood warnings | 2 | 1 | 50% | 1 | 100% | 130 min |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Huntsville, AL: tornado warnings | 49 | 15 | 69% | 35 | 69% | 19 min |
| NWS Huntsville, AL: severe thunderstorm warnings | 242 | 66 | 73% | 292 | 43% | 15 min |
| NWS Huntsville, AL: flash flood warnings | 32 | 11 | 66% | 50 | 78% | 128 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 1, 3:31 AM CST | Wind Advisory | HUN | 12 hr |
| Jan 8, 5:51 PM CST | Mesoscale Discussion | SPC | 54 min |
| Jan 8, 6:36 PM CST | Tornado Watch | SPC | 6 hr |
| Jan 8, 9:02 PM CST | Severe Thunderstorm Warning | HUN | 28 min |
| Jan 8, 9:32 PM CST | Mesoscale Discussion | SPC | 58 min |
| Jan 10, 3:05 PM CST | Mesoscale Discussion | SPC | 115 min |
| Jan 10, 3:42 PM CST | Mesoscale Discussion | SPC | 93 min |
| Jan 10, 4:26 PM CST | Severe Thunderstorm Warning | HUN | 34 min |
| Jan 10, 5:25 PM CST | Mesoscale Discussion | SPC | 95 min |
| Jan 16, 11:03 AM CST | Winter Weather Advisory | HUN | 17 hr |
| Jan 22, 8:39 AM CST | Freezing Rain Advisory | HUN | 3 hr |
| Jan 25, 2:36 PM CST | Winter Weather Advisory | HUN | 13 hr |
| Jan 25, 6:10 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Jan 29, 4:20 AM CST | Wind Advisory | HUN | 14 hr |
| Jan 29, 5:57 PM CST | High Wind Warning | HUN | 6 hr |
| Jan 29, 5:57 PM CST | Wind Advisory | HUN | 8 hr |
| Jan 31, 3:04 PM CST | Wind Advisory | HUN | 13 hr |
| Feb 5, 9:39 PM CST | Mesoscale Discussion | SPC | 96 min |
| Feb 5, 10:01 PM CST | Tornado Watch | SPC | 8 hr |
| Feb 6, 2:41 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 6, 4:15 AM CST | Severe Thunderstorm Warning | HUN | 45 min |
| Feb 6, 4:47 AM CST | Severe Thunderstorm Warning | HUN | 43 min |
| Feb 6, 12:51 PM CST | Wind Advisory | HUN | 5 hr |
| Feb 17, 3:43 AM CST | Wind Advisory | HUN | 12 hr |
| Feb 26, 3:45 AM CST | Wind Advisory | HUN | 8 min |
| Feb 26, 4:01 AM CST | Wind Advisory | HUN | 11 hr |
| Feb 26, 9:50 PM CST | Snow Advisory | HUN | 8 hr |
| Mar 3, 4:28 AM CST | Wind Advisory | HUN | 24 hr |
| Mar 4, 1:09 AM CST | Mesoscale Discussion | SPC | 66 min |
| Mar 4, 1:25 AM CST | Tornado Watch | SPC | 8 hr |
| Mar 7, 4:30 AM CST | Winter Storm Watch | HUN | 11 hr |
| Mar 7, 3:08 PM CST | Winter Storm Warning | HUN | 13 hr |
| Mar 8, 3:44 AM CST | Snow Advisory | HUN | 7 hr |
| Mar 15, 12:39 AM CDT | Mesoscale Discussion | SPC | 66 min |
| Mar 15, 9:01 AM CDT | Severe Thunderstorm Warning | HUN | 44 min |
| Mar 15, 2:03 PM CDT | Severe Thunderstorm Warning | HUN | 42 min |
| Mar 15, 2:15 PM CDT | Severe Thunderstorm Warning | HUN | 30 min |
| Mar 15, 2:48 PM CDT | Severe Thunderstorm Warning | HUN | 27 min |
| Mar 18, 2:51 PM CDT | Wind Advisory | HUN | 25 hr |
| Mar 19, 7:08 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 19, 1:32 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Apr 4, 5:16 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 4, 7:55 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 4, 4:16 PM CDT | Flash Flood Watch | HUN | 5 hr |
| Apr 10, 11:07 AM CDT | Wind Advisory | HUN | 17 hr |
| Apr 11, 10:15 AM CDT | Tornado Watch | SPC | 5 hr |
| Apr 11, 1:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 11, 2:03 PM CDT | Severe Thunderstorm Warning | HUN | 42 min |
| Apr 11, 2:38 PM CDT | Severe Thunderstorm Warning | HUN | 37 min |
| Apr 11, 3:00 PM CDT | Tornado Watch | SPC | 5 hr |
| Apr 11, 5:34 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 14, 3:10 AM CDT | Freeze Warning | HUN | 29 hr |
| May 8, 10:07 AM CDT | Mesoscale Discussion | SPC | 83 min |
| May 8, 12:37 PM CDT | Mesoscale Discussion | SPC | 83 min |
| May 8, 12:40 PM CDT | Tornado Watch | SPC | 5 hr |
| May 9, 3:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 9, 6:18 PM CDT | Mesoscale Discussion | SPC | 57 min |
| May 10, 4:05 AM CDT | Mesoscale Discussion | SPC | 115 min |
| May 10, 7:08 PM CDT | Tornado Watch | SPC | 7 hr |
| May 10, 11:25 PM CDT | Severe Thunderstorm Warning | HUN | 23 min |
| May 10, 11:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| May 11, 12:06 AM CDT | Severe Thunderstorm Warning | HUN | 15 min |
| May 11, 4:44 AM CDT | Wind Advisory | HUN | 14 hr |
| May 17, 5:53 AM CDT | Dense Fog Advisory | HUN | 3 hr |
| May 19, 3:35 AM CDT | Dense Fog Advisory | HUN | 6 hr |
| May 20, 2:07 PM CDT | Severe Thunderstorm Warning | HUN | 23 min |
| May 29, 11:40 PM CDT | Dense Fog Advisory | HUN | 8 hr |
| May 31, 5:19 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jun 1, 1:20 AM CDT | Mesoscale Discussion | SPC | 115 min |
| Jun 1, 4:22 AM CDT | Mesoscale Discussion | SPC | 113 min |
| Jun 1, 3:04 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 9, 7:40 PM CDT | Severe Thunderstorm Warning | HUN | 35 min |
| Jun 9, 7:53 PM CDT | Severe Thunderstorm Warning | HUN | 26 min |
| Jun 15, 4:54 AM CDT | Dense Fog Advisory | HUN | 4 hr |
| Jun 23, 2:44 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Jun 23, 3:49 PM CDT | Severe Thunderstorm Warning | HUN | 26 min |
| Jun 23, 4:10 PM CDT | Severe Thunderstorm Warning | HUN | 35 min |
| Jul 4, 12:29 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 12:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 9, 11:41 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 20, 2:44 PM CDT | Excessive Heat Watch | HUN | 31 min |
| Jul 20, 3:23 PM CDT | Heat Advisory | HUN | 29 hr |
| Jul 21, 5:28 PM CDT | Mesoscale Discussion | SPC | 92 min |
| Jul 22, 12:34 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 22, 1:49 PM CDT | Severe Thunderstorm Warning | HUN | 26 min |
| Jul 22, 2:00 PM CDT | Severe Thunderstorm Warning | HUN | 31 min |
| Jul 22, 3:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 28, 1:44 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 31, 1:25 PM CDT | Severe Thunderstorm Warning | HUN | 20 min |
| Jul 31, 1:46 PM CDT | Severe Thunderstorm Warning | HUN | 29 min |
| Aug 1, 2:19 PM CDT | Heat Advisory | HUN | 27 hr |
| Aug 7, 9:53 AM CDT | Mesoscale Discussion | SPC | 97 min |
| Aug 7, 10:29 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 25, 4:21 AM CDT | Flash Flood Watch | HUN | 30 hr |
| Aug 25, 11:56 AM CDT | Tornado Watch | SPC | 3 hr |
| Aug 29, 4:29 PM CDT | Severe Thunderstorm Warning | HUN | 31 min |
| Sep 6, 11:33 PM CDT | Dense Fog Advisory | HUN | 9 hr |
| Sep 13, 3:46 PM CDT | Wind Advisory | HUN | 23 hr |
| Sep 14, 9:21 AM CDT | Mesoscale Discussion | SPC | 84 min |
| Oct 27, 2:45 PM CDT | Freeze Warning | HUN | 17 hr |
| Oct 27, 2:45 PM CDT | Freeze Warning | HUN | 42 hr |
| Nov 14, 6:46 AM CST | Dense Fog Advisory | HUN | 2 hr |
| Dec 1, 7:48 AM CST | Winter Weather Advisory | HUN | 4 hr |
| Dec 9, 10:51 AM CST | Wind Advisory | HUN | 17 hr |
| Dec 9, 8:44 PM CST | Flash Flood Watch | HUN | 12 hr |
| Dec 9, 11:30 PM CST | Flash Flood Warning | HUN | 6 hr |
| Dec 10, 1:44 AM CST | Flash Flood Warning | HUN | 3 hr |
| Dec 10, 5:15 AM CST | River Flood Warning | HUN | 14 hr |
| Dec 10, 5:38 AM CST | Areal Flood Warning | HUN | 3 hr |
| Dec 10, 4:05 PM CST | Flood Watch | HUN | 23 hr |
| Dec 10, 4:07 PM CST | Wind Advisory | HUN | 10 hr |
| Dec 11, 3:46 AM CST | Winter Weather Advisory | HUN | 17 hr |
| Dec 11, 9:47 AM CST | Areal Flood Warning | HUN | 3 hr |
| Dec 11, 2:31 PM CST | Areal Flood Warning | HUN | 3 hr |
| Dec 11, 5:30 PM CST | Areal Flood Warning | HUN | 3 hr |
| Dec 11, 8:23 PM CST | Areal Flood Warning | HUN | 3 hr |
| Dec 16, 2:05 PM CST | Dense Fog Advisory | HUN | 13 hr |
| Dec 17, 11:05 PM CST | Dense Fog Advisory | HUN | 4 hr |
| Dec 18, 4:47 PM CST | Dense Fog Advisory | HUN | 7 hr |
| Dec 23, 8:18 AM CST | Winter Weather Advisory | HUN | 4 hr |
| Dec 23, 10:07 PM CST | Wind Advisory | HUN | 20 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 | 3 |
| Tornado Watch | 8 |
| Mesoscale Discussion | 34 |
| Flooding | |
| Areal Flood Warning | 5 |
| Flash Flood Warning | 2 |
| River Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Freezing Rain Advisory | 1 |
| Snow Advisory | 2 |
| Winter Weather Advisory | 5 |
| Heat | |
| Excessive Heat Watch | 1 |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 3 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 16 |
| 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 archive20072009
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.