Alert archive / Tennessee / Bedford County
Weather alerts in Bedford County, Tennessee, 2012
129 weather alerts in 2012, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Bedford County and its neighbors
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Alerts
- 129
- Warnings
- 34
- Watches
- 19
- Advisories
- 30
- Busiest month
- March34 alerts
- Busiest day
- March 2, 201212 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 5 tornado warnings covering Bedford County in 2012 had a tornado report inside them; 1 of 2 tornado reports fell inside a warning, on average 7 minutes after it went out.
Bedford County, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 1 | 80% | 2 | 50% | 7 min |
| Severe thunderstorm warnings | 25 | 17 | 32% | 10 | 60% | 11 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2012
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Nashville, TN: tornado warnings | 65 | 7 | 89% | 19 | 74% | 17 min |
| NWS Nashville, TN: severe thunderstorm warnings | 381 | 193 | 49% | 531 | 63% | 18 min |
| NWS Nashville, TN: flash flood warnings | 22 | 8 | 64% | 18 | 61% | 73 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, 1:55 PM CST | Wind Advisory | OHX | 28 hr |
| Jan 11, 5:46 AM CST | Areal Flood Advisory | OHX | 50 days |
| Jan 11, 11:00 AM CST | Special Weather Statement | OHX | 2 hr |
| Jan 17, 10:33 AM CST | Mesoscale Discussion | SPC | 57 min |
| Jan 20, 10:35 PM CST | Tornado Watch | SPC | 8 hr |
| Jan 21, 1:52 AM CST | Mesoscale Discussion | SPC | 113 min |
| Jan 21, 3:50 PM CST | Wind Advisory | OHX | 36 hr |
| Jan 21, 5:02 PM CST | Dense Fog Advisory | OHX | 19 hr |
| Jan 22, 10:59 PM CST | Tornado Watch | SPC | 7 hr |
| Jan 23, 1:25 AM CST | Mesoscale Discussion | SPC | 2 hr |
| Jan 23, 2:17 AM CST | Severe Thunderstorm Warning | OHX | 28 min |
| Feb 21, 2:40 AM CST | Wind Advisory | OHX | 7 hr |
| Feb 22, 7:14 AM CST | Special Weather Statement | OHX | 61 min |
| Feb 22, 5:49 PM CST | Mesoscale Discussion | SPC | 86 min |
| Feb 23, 3:48 AM CST | Wind Advisory | OHX | 16 hr |
| Feb 29, 11:31 AM CST | Tornado Watch | SPC | 8 hr |
| Feb 29, 3:34 PM CST | Mesoscale Discussion | SPC | 116 min |
| Mar 2, 4:00 AM CST | Wind Advisory | OHX | 17 hr |
| Mar 2, 9:07 AM CST | Mesoscale Discussion | SPC | 53 min |
| Mar 2, 9:25 AM CST | Tornado Watch | SPC | 5 hr |
| Mar 2, 11:12 AM CST | Flash Flood Watch | OHX | 10 hr |
| Mar 2, 1:20 PM CST | Tornado Watch | SPC | 9 hr |
| Mar 2, 1:36 PM CST | Special Weather Statement | OHX | 54 min |
| Mar 2, 2:34 PM CST | Severe Thunderstorm Warning | OHX | 26 min |
| Mar 2, 2:52 PM CST | Severe Thunderstorm Warning | OHX | 38 min |
| Mar 2, 3:25 PM CST | Mesoscale Discussion | SPC | 65 min |
| Mar 2, 5:28 PM CST | Tornado Warning | OHX | 23 min |
| Mar 2, 5:41 PM CST | Severe Thunderstorm Warning | OHX | 34 min |
| Mar 2, 5:47 PM CST | Severe Thunderstorm Warning | OHX | 28 min |
| Mar 2, 6:08 PM CST | Severe Thunderstorm Warning | OHX | 37 min |
| Mar 2, 6:21 PM CST | Tornado Warning | OHX | 24 min |
| Mar 2, 6:36 PM CST | Severe Thunderstorm Warning | OHX | 24 min |
| Mar 2, 6:36 PM CST | Tornado Warning | OHX | 24 min |
| Mar 2, 6:57 PM CST | Severe Thunderstorm Warning | OHX | 33 min |
| Mar 7, 12:59 PM CST | Special Weather Statement | OHX | 5 hr |
| Mar 15, 1:08 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 15, 2:06 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 15, 5:07 PM CDT | Severe Thunderstorm Warning | OHX | 38 min |
| Mar 15, 5:45 PM CDT | Severe Thunderstorm Warning | OHX | 45 min |
| Mar 15, 6:23 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Mar 17, 3:38 PM CDT | Special Weather Statement | OHX | 37 min |
| Mar 24, 4:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Mar 31, 12:29 PM CDT | Mesoscale Discussion | SPC | 91 min |
| Mar 31, 12:47 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Mar 31, 1:04 PM CDT | Severe Thunderstorm Warning | OHX | 26 min |
| Mar 31, 1:15 PM CDT | Severe Thunderstorm Warning | OHX | 45 min |
| Mar 31, 1:25 PM CDT | Severe Thunderstorm Warning | OHX | 35 min |
| Mar 31, 1:55 PM CDT | Severe Thunderstorm Warning | OHX | 35 min |
| Mar 31, 2:29 PM CDT | Severe Thunderstorm Warning | OHX | 16 min |
| Mar 31, 3:02 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Mar 31, 5:00 PM CDT | Mesoscale Discussion | SPC | 30 min |
| Apr 5, 12:09 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 5, 1:21 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 5, 2:32 PM CDT | Severe Thunderstorm Warning | OHX | 28 min |
| Apr 5, 3:06 PM CDT | Mesoscale Discussion | SPC | 54 min |
| Apr 10, 3:56 AM CDT | Frost Advisory | OHX | 27 hr |
| Apr 10, 2:11 PM CDT | Freeze Watch | OHX | 22 hr |
| Apr 11, 3:49 AM CDT | Freeze Warning | OHX | 28 hr |
| Apr 15, 11:15 AM CDT | Wind Advisory | OHX | 7 hr |
| Apr 26, 5:22 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Apr 26, 2:11 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 26, 5:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| May 1, 12:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 6, 3:06 AM CDT | Special Weather Statement | OHX | 54 min |
| May 6, 4:50 AM CDT | Special Weather Statement | OHX | 55 min |
| May 13, 10:16 AM CDT | Areal Flood Advisory | OHX | 6 hr |
| May 19, 5:02 PM CDT | Severe Thunderstorm Warning | OHX | 43 min |
| May 19, 5:39 PM CDT | Severe Thunderstorm Warning | OHX | 51 min |
| May 19, 5:58 PM CDT | Areal Flood Advisory | OHX | 2 hr |
| May 29, 6:48 PM CDT | Special Weather Statement | OHX | 27 min |
| May 30, 4:09 AM CDT | Dense Fog Advisory | OHX | 4 hr |
| May 31, 5:30 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 31, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 4, 9:11 PM CDT | Mesoscale Discussion | SPC | 94 min |
| Jun 4, 9:43 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 1:12 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 11, 1:28 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 11, 6:50 PM CDT | Special Weather Statement | OHX | 40 min |
| Jun 28, 3:36 AM CDT | Heat Advisory | OHX | 4 days |
| Jul 2, 5:16 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 4, 5:21 PM CDT | Special Weather Statement | OHX | 54 min |
| Jul 5, 3:20 AM CDT | Heat Advisory | OHX | 64 hr |
| Jul 5, 5:07 PM CDT | Special Weather Statement | OHX | 53 min |
| Jul 5, 5:38 PM CDT | Severe Thunderstorm Warning | OHX | 37 min |
| Jul 5, 6:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Jul 6, 5:53 PM CDT | Severe Thunderstorm Warning | OHX | 37 min |
| Jul 14, 4:45 PM CDT | Areal Flood Advisory | OHX | 6 hr |
| Jul 18, 1:40 PM CDT | Special Weather Statement | OHX | 50 min |
| Jul 19, 6:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 20, 7:01 AM CDT | River Flood Advisory | OHX | 9 hr |
| Jul 23, 3:40 PM CDT | Heat Advisory | OHX | 3 days |
| Jul 28, 12:57 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 1, 7:54 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Aug 1, 8:26 PM CDT | Severe Thunderstorm Warning | OHX | 34 min |
| Aug 10, 11:20 AM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 16, 7:03 PM CDT | Severe Thunderstorm Warning | OHX | 42 min |
| Aug 16, 9:26 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 16, 11:24 PM CDT | Severe Thunderstorm Warning | OHX | 36 min |
| Aug 17, 12:05 AM CDT | Severe Thunderstorm Warning | OHX | 40 min |
| Sep 2, 2:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Sep 2, 2:49 PM CDT | Tornado Watch | SPC | 7 hr |
| Sep 2, 6:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Sep 7, 11:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Sep 17, 2:48 AM CDT | Flood Watch | OHX | 27 hr |
| Sep 17, 1:46 PM CDT | Tornado Warning | OHX | 29 min |
| Sep 17, 2:55 PM CDT | Areal Flood Advisory | OHX | 6 hr |
| Sep 17, 3:55 PM CDT | Tornado Warning | OHX | 35 min |
| Sep 17, 7:58 PM CDT | River Flood Advisory | OHX | 11 hr |
| Sep 18, 2:51 AM CDT | Areal Flood Warning | OHX | 4 hr |
| Oct 1, 1:16 PM CDT | Tornado Watch | SPC | 7 hr |
| Oct 1, 1:46 PM CDT | Special Weather Statement | OHX | 29 min |
| Oct 1, 3:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 8, 2:56 PM CDT | Frost Advisory | OHX | 17 hr |
| Oct 10, 3:55 AM CDT | Frost Advisory | OHX | 28 hr |
| Oct 13, 3:45 AM CDT | Dense Fog Advisory | OHX | 5 hr |
| Oct 14, 7:13 AM CDT | Wind Advisory | OHX | 15 hr |
| Oct 18, 12:12 AM CDT | Special Weather Statement | OHX | 48 min |
| Oct 29, 3:48 PM CDT | Wind Advisory | OHX | 27 hr |
| Oct 30, 2:57 PM CDT | Freeze Warning | OHX | 12 hr |
| Oct 31, 3:09 AM CDT | Freeze Watch | OHX | 8 hr |
| Oct 31, 11:00 AM CDT | Freeze Warning | OHX | 21 hr |
| Nov 8, 5:27 AM CST | Dense Fog Advisory | OHX | 4 hr |
| Nov 11, 3:42 AM CST | Wind Advisory | OHX | 20 hr |
| Nov 13, 12:53 AM CST | Freezing Fog Advisory | OHX | 8 hr |
| Dec 16, 2:22 AM CST | Areal Flood Advisory | OHX | 3 hr |
| Dec 17, 1:24 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Dec 17, 3:41 PM CST | Severe Thunderstorm Warning | OHX | 34 min |
| Dec 19, 10:01 AM CST | Wind Advisory | OHX | 54 hr |
| Dec 24, 9:27 AM CST | River Flood Advisory | OHX | 18 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 | 25 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 8 |
| Tornado Watch | 7 |
| Mesoscale Discussion | 32 |
| Special Weather Statement | 14 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 6 |
| River Flood Advisory | 3 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 2 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20112013
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.