Alert archive / Tennessee / DeKalb County
Weather alerts in DeKalb County, Tennessee, 2014
134 weather alerts in 2014, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
DeKalb County and its neighbors
Each county as a circle sized by its count in 2014. Tap one for its archive.
- Alerts
- 134
- Warnings
- 34
- Watches
- 16
- Advisories
- 25
- Busiest month
- October29 alerts
- Busiest day
- May 14, 201410 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 2 tornado warnings covering DeKalb County in 2014 had a tornado report inside them.
DeKalb County, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 2 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 28 | 18 | 36% | 9 | 100% | 17 min |
| Flash flood warnings | 1 | 1 | 0% | 0 |
Each office's whole area, 2014
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Nashville, TN: tornado warnings | 24 | 4 | 83% | 7 | 100% | 15 min |
| NWS Nashville, TN: severe thunderstorm warnings | 210 | 120 | 43% | 401 | 66% | 19 min |
| NWS Nashville, TN: flash flood warnings | 30 | 16 | 47% | 51 | 67% | 90 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 4, 3:16 AM CST | Winter Weather Advisory | OHX | 36 hr |
| Jan 4, 3:13 PM CST | Wind Chill Advisory | OHX | 65 hr |
| Jan 14, 4:02 AM CST | Winter Weather Advisory | OHX | 34 hr |
| Jan 20, 12:37 PM CST | Wind Advisory | OHX | 27 hr |
| Jan 26, 3:41 PM CST | Wind Chill Advisory | OHX | 44 hr |
| Feb 1, 1:01 PM CST | Winter Weather Advisory | OHX | 35 hr |
| Feb 7, 3:13 AM CST | Winter Weather Advisory | OHX | 33 hr |
| Feb 11, 4:05 AM CST | Winter Weather Advisory | OHX | 48 hr |
| Feb 19, 12:02 PM CST | Wind Advisory | OHX | 36 hr |
| Feb 20, 5:29 PM CST | Mesoscale Discussion | SPC | 46 min |
| Feb 20, 6:49 PM CST | Tornado Watch | SPC | 6 hr |
| Feb 20, 8:01 PM CST | Mesoscale Discussion | SPC | 89 min |
| Feb 20, 8:37 PM CST | Severe Thunderstorm Warning | OHX | 38 min |
| Feb 20, 9:08 PM CST | Severe Thunderstorm Warning | OHX | 37 min |
| Feb 20, 9:41 PM CST | Severe Thunderstorm Warning | OHX | 34 min |
| Feb 20, 9:45 PM CST | Severe Thunderstorm Warning | OHX | 45 min |
| Feb 20, 10:15 PM CST | Severe Thunderstorm Warning | OHX | 45 min |
| Mar 1, 12:22 PM CST | Winter Weather Advisory | OHX | 51 hr |
| Mar 5, 2:23 AM CST | Freezing Fog Advisory | OHX | 8 hr |
| Mar 11, 2:50 PM CDT | Wind Advisory | OHX | 28 hr |
| Mar 26, 11:50 AM CDT | Wind Advisory | OHX | 40 hr |
| Apr 3, 12:28 AM CDT | Special Weather Statement | OHX | 47 min |
| Apr 3, 1:32 AM CDT | Special Weather Statement | OHX | 28 min |
| Apr 3, 2:05 AM CDT | Special Weather Statement | OHX | 25 min |
| Apr 4, 2:52 AM CDT | Tornado Watch | SPC | 5 hr |
| Apr 4, 5:28 AM CDT | Mesoscale Discussion | SPC | 92 min |
| Apr 4, 6:00 AM CDT | Special Weather Statement | OHX | 60 min |
| Apr 4, 6:11 AM CDT | Tornado Warning | OHX | 34 min |
| Apr 4, 6:33 AM CDT | Severe Thunderstorm Warning | OHX | 42 min |
| Apr 4, 7:07 AM CDT | Special Weather Statement | OHX | 53 min |
| Apr 14, 3:36 AM CDT | Freeze Watch | OHX | 23 hr |
| Apr 14, 3:36 AM CDT | Wind Advisory | OHX | 36 hr |
| Apr 15, 2:53 AM CDT | Freeze Warning | OHX | 30 hr |
| Apr 16, 4:37 AM CDT | Frost Advisory | OHX | 25 hr |
| Apr 28, 7:54 AM CDT | Flash Flood Watch | OHX | 35 hr |
| Apr 28, 12:09 PM CDT | Severe Thunderstorm Warning | OHX | 36 min |
| Apr 28, 12:50 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Apr 28, 3:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 29, 2:10 PM CDT | Mesoscale Discussion | SPC | 65 min |
| May 14, 10:47 AM CDT | Special Weather Statement | OHX | 28 min |
| May 14, 10:56 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 14, 10:57 AM CDT | Special Weather Statement | OHX | 33 min |
| May 14, 11:21 AM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 14, 11:28 AM CDT | Special Weather Statement | OHX | 32 min |
| May 14, 11:30 AM CDT | Severe Thunderstorm Warning | OHX | 30 min |
| May 14, 1:56 PM CDT | Severe Thunderstorm Warning | OHX | 34 min |
| May 14, 2:59 PM CDT | Mesoscale Discussion | SPC | 91 min |
| May 14, 6:05 PM CDT | Mesoscale Discussion | SPC | 85 min |
| May 14, 6:07 PM CDT | Special Weather Statement | OHX | 38 min |
| May 22, 2:09 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 22, 2:33 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 22, 6:47 PM CDT | Mesoscale Discussion | SPC | 88 min |
| May 29, 4:59 PM CDT | Special Weather Statement | OHX | 31 min |
| May 30, 2:23 PM CDT | Special Weather Statement | OHX | 59 min |
| Jun 4, 6:57 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 4, 7:24 PM CDT | Tornado Watch | SPC | 8 hr |
| Jun 4, 11:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 7, 3:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jun 7, 8:59 PM CDT | Severe Thunderstorm Warning | OHX | 46 min |
| Jun 10, 10:34 AM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 10, 10:51 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 10, 12:15 PM CDT | Severe Thunderstorm Warning | OHX | 45 min |
| Jun 10, 12:27 PM CDT | Tornado Warning | OHX | 33 min |
| Jun 10, 1:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jun 10, 2:33 PM CDT | Special Weather Statement | OHX | 27 min |
| Jun 20, 4:57 PM CDT | Special Weather Statement | OHX | 48 min |
| Jun 20, 5:47 PM CDT | Special Weather Statement | OHX | 43 min |
| Jun 21, 4:26 PM CDT | Severe Thunderstorm Warning | OHX | 23 min |
| Jul 1, 8:32 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 8, 3:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jul 9, 10:28 PM CDT | Special Weather Statement | OHX | 32 min |
| Jul 14, 12:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 14, 1:22 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 14, 3:57 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 14, 5:18 PM CDT | Severe Thunderstorm Warning | OHX | 31 min |
| Jul 14, 5:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 23, 8:54 PM CDT | Areal Flood Advisory | OHX | 111 min |
| Jul 27, 9:29 PM CDT | Severe Thunderstorm Warning | OHX | 46 min |
| Jul 27, 10:07 PM CDT | Severe Thunderstorm Warning | OHX | 38 min |
| Aug 9, 8:46 PM CDT | Areal Flood Advisory | OHX | 119 min |
| Aug 11, 12:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 3:13 PM CDT | Severe Thunderstorm Warning | OHX | 47 min |
| Aug 11, 3:50 PM CDT | Special Weather Statement | OHX | 55 min |
| Aug 11, 4:27 PM CDT | Severe Thunderstorm Warning | OHX | 30 min |
| Aug 11, 4:43 PM CDT | Areal Flood Advisory | OHX | 2 hr |
| Aug 20, 2:11 PM CDT | Severe Thunderstorm Warning | OHX | 34 min |
| Aug 20, 2:15 PM CDT | Mesoscale Discussion | SPC | 60 min |
| Aug 20, 2:37 PM CDT | Severe Thunderstorm Warning | OHX | 23 min |
| Aug 20, 2:42 PM CDT | Severe Thunderstorm Warning | OHX | 48 min |
| Aug 20, 2:58 PM CDT | Severe Thunderstorm Warning | OHX | 47 min |
| Aug 20, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 20, 5:32 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Aug 23, 5:23 AM CDT | Heat Advisory | OHX | 40 hr |
| Aug 23, 5:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 30, 7:09 PM CDT | Flash Flood Watch | OHX | 18 hr |
| Aug 31, 1:25 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 2, 3:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Sep 2, 4:52 PM CDT | Special Weather Statement | OHX | 38 min |
| Sep 2, 6:05 PM CDT | Mesoscale Discussion | SPC | 55 min |
| Sep 2, 6:42 PM CDT | Flash Flood Warning | OHX | 2 hr |
| Sep 2, 6:50 PM CDT | Severe Thunderstorm Warning | OHX | 40 min |
| Sep 21, 2:02 PM CDT | Mesoscale Discussion | SPC | 118 min |
| Oct 3, 2:11 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 3, 3:12 AM CDT | Special Weather Statement | OHX | 63 min |
| Oct 3, 4:12 AM CDT | Special Weather Statement | OHX | 63 min |
| Oct 4, 3:34 AM CDT | Frost Advisory | OHX | 28 hr |
| Oct 6, 5:46 PM CDT | Special Weather Statement | OHX | 29 min |
| Oct 6, 5:53 PM CDT | Severe Thunderstorm Warning | OHX | 37 min |
| Oct 6, 6:31 PM CDT | Severe Thunderstorm Warning | OHX | 44 min |
| Oct 6, 6:36 PM CDT | Mesoscale Discussion | SPC | 84 min |
| Oct 6, 7:02 PM CDT | Severe Thunderstorm Warning | OHX | 43 min |
| Oct 6, 7:46 PM CDT | Severe Thunderstorm Warning | OHX | 27 min |
| Oct 7, 12:30 AM CDT | Special Weather Statement | OHX | 45 min |
| Oct 7, 1:06 AM CDT | Special Weather Statement | OHX | 39 min |
| Oct 8, 12:59 AM CDT | Severe Thunderstorm Warning | OHX | 46 min |
| Oct 8, 1:44 AM CDT | Special Weather Statement | OHX | 61 min |
| Oct 9, 11:21 AM CDT | Special Weather Statement | OHX | 24 min |
| Oct 10, 1:19 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Oct 10, 9:53 PM CDT | Special Weather Statement | OHX | 37 min |
| Oct 12, 2:30 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Oct 12, 2:31 PM CDT | Severe Thunderstorm Warning | OHX | 44 min |
| Oct 13, 3:45 AM CDT | Flash Flood Watch | OHX | 32 hr |
| Oct 13, 3:57 AM CDT | Wind Advisory | OHX | 23 hr |
| Oct 13, 3:37 PM CDT | Tornado Watch | SPC | 8 hr |
| Oct 14, 6:23 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Oct 22, 11:33 AM CDT | Frost Advisory | OHX | 20 hr |
| Oct 26, 3:10 AM CDT | Dense Fog Advisory | OHX | 7 hr |
| Oct 30, 1:35 PM CDT | Freeze Watch | OHX | 20 hr |
| Oct 30, 1:35 PM CDT | Freeze Watch | OHX | 20 hr |
| Oct 31, 9:41 AM CDT | Freeze Warning | OHX | 23 hr |
| Oct 31, 9:41 AM CDT | Freeze Warning | OHX | 47 hr |
| Nov 23, 12:51 PM CST | Wind Advisory | OHX | 26 hr |
| Dec 15, 4:29 AM CST | Freezing Fog Advisory | OHX | 5 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 | 28 |
| Tornado Warning | 2 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 4 |
| Mesoscale Discussion | 34 |
| Special Weather Statement | 25 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 3 |
| Frost Advisory | 3 |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| Wind Advisory | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Freezing Fog Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20132015
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.