Alert archive / Tennessee / Hardin County
Weather alerts in Hardin County, Tennessee, 2009
170 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hardin County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 170
- Warnings
- 52
- Watches
- 38
- Advisories
- 47
- Busiest month
- May33 alerts
- Busiest day
- April 10, 200911 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 5 tornado warnings covering Hardin County in 2009 had a tornado report inside them.
Hardin County, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 5 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 19 | 9 | 53% | 5 | 80% | 37 min |
| Flash flood warnings | 19 | 8 | 58% | 3 | 100% | 67 min |
Each office's whole area, 2009
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Memphis, TN: tornado warnings | 69 | 19 | 72% | 51 | 65% | 19 min |
| NWS Memphis, TN: severe thunderstorm warnings | 439 | 207 | 53% | 423 | 82% | 24 min |
| NWS Memphis, TN: flash flood warnings | 235 | 126 | 46% | 204 | 92% | 94 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 5, 8:50 AM CST | Winter Weather Advisory | MEG | 7 hr |
| Jan 8, 2:54 PM CST | River Flood Advisory | OHX | 8 days |
| Jan 15, 4:48 AM CST | Wind Chill Advisory | MEG | 28 hr |
| Jan 26, 4:19 AM CST | Freezing Rain Advisory | MEG | 48 hr |
| Jan 28, 4:32 AM CST | Winter Weather Advisory | MEG | 5 hr |
| Feb 10, 3:31 AM CST | Wind Advisory | MEG | 39 hr |
| Feb 17, 9:45 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Feb 27, 9:33 PM CST | Winter Storm Watch | MEG | 6 hr |
| Feb 28, 3:59 AM CST | Winter Storm Warning | MEG | 28 hr |
| Feb 28, 3:57 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Mar 8, 3:41 AM CDT | Wind Advisory | MEG | 15 hr |
| Mar 15, 3:56 AM CDT | Dense Fog Advisory | MEG | 6 hr |
| Mar 16, 9:39 PM CDT | Dense Fog Advisory | MEG | 12 hr |
| Mar 17, 11:27 PM CDT | Dense Fog Advisory | MEG | 10 hr |
| Mar 27, 3:11 PM CDT | Flash Flood Watch | MEG | 14 hr |
| Mar 29, 4:41 AM CDT | Frost Advisory | MEG | 28 hr |
| Apr 2, 10:53 AM CDT | Tornado Watch | SPC | 4 hr |
| Apr 2, 2:34 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Apr 2, 3:05 PM CDT | Wind Advisory | MEG | 10 hr |
| Apr 2, 6:21 PM CDT | Tornado Watch | SPC | 3 hr |
| Apr 5, 4:05 AM CDT | Freeze Watch | MEG | 24 hr |
| Apr 5, 4:05 AM CDT | Wind Advisory | MEG | 24 hr |
| Apr 6, 3:52 AM CDT | Freeze Warning | MEG | 27 hr |
| Apr 7, 3:58 AM CDT | Freeze Warning | MEG | 27 hr |
| Apr 10, 1:22 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Apr 10, 1:24 AM CDT | Mesoscale Discussion | SPC | 96 min |
| Apr 10, 8:22 AM CDT | Mesoscale Discussion | SPC | 83 min |
| Apr 10, 8:53 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 10, 10:36 AM CDT | Severe Thunderstorm Warning | MEG | 54 min |
| Apr 10, 11:12 AM CDT | Tornado Warning | MEG | 33 min |
| Apr 10, 11:14 AM CDT | Mesoscale Discussion | SPC | 76 min |
| Apr 10, 11:19 AM CDT | Tornado Warning | MEG | 41 min |
| Apr 10, 11:40 AM CDT | Severe Thunderstorm Warning | MEG | 50 min |
| Apr 10, 11:47 AM CDT | Tornado Warning | MEG | 43 min |
| Apr 10, 1:13 PM CDT | Wind Advisory | MEG | 6 hr |
| Apr 13, 12:09 PM CDT | Mesoscale Discussion | SPC | 66 min |
| Apr 19, 1:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 19, 2:22 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Apr 19, 3:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Apr 19, 5:47 PM CDT | Mesoscale Discussion | SPC | 58 min |
| May 1, 1:18 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 1, 2:23 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| May 1, 3:08 PM CDT | Severe Thunderstorm Warning | MEG | 19 min |
| May 1, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 1, 3:40 PM CDT | Flash Flood Watch | MEG | 55 hr |
| May 1, 3:48 PM CDT | Mesoscale Discussion | SPC | 87 min |
| May 1, 6:41 PM CDT | Mesoscale Discussion | SPC | 64 min |
| May 1, 6:48 PM CDT | Severe Thunderstorm Warning | MEG | 42 min |
| May 1, 7:26 PM CDT | Severe Thunderstorm Warning | MEG | 64 min |
| May 1, 7:51 PM CDT | Areal Flood Advisory | MEG | 54 min |
| May 1, 8:14 PM CDT | Severe Thunderstorm Warning | MEG | 46 min |
| May 1, 8:36 PM CDT | Flash Flood Warning | MEG | 3 hr |
| May 2, 2:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| May 2, 8:56 PM CDT | River Flood Advisory | OHX | 3 days |
| May 3, 6:47 PM CDT | Flash Flood Warning | MEG | 4 hr |
| May 5, 4:13 AM CDT | Flash Flood Watch | MEG | 35 hr |
| May 5, 2:04 PM CDT | River Flood Warning | OHX | 4 days |
| May 5, 10:27 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 6, 2:26 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 6, 4:06 AM CDT | Flash Flood Warning | MEG | 6 hr |
| May 6, 5:03 AM CDT | Severe Thunderstorm Warning | MEG | 42 min |
| May 6, 5:32 AM CDT | Severe Thunderstorm Warning | MEG | 43 min |
| May 6, 5:45 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 8, 8:37 AM CDT | Mesoscale Discussion | SPC | 53 min |
| May 8, 8:29 PM CDT | Flash Flood Watch | MEG | 47 hr |
| May 9, 2:22 AM CDT | Mesoscale Discussion | SPC | 53 min |
| May 9, 6:28 PM CDT | River Flood Advisory | OHX | 36 hr |
| May 11, 11:02 AM CDT | River Flood Advisory | OHX | 5 days |
| May 15, 4:03 PM CDT | Flash Flood Watch | MEG | 27 hr |
| May 16, 8:51 AM CDT | River Flood Advisory | OHX | 22 hr |
| May 16, 12:39 PM CDT | Severe Thunderstorm Warning | MEG | 51 min |
| May 16, 1:04 PM CDT | Mesoscale Discussion | SPC | 56 min |
| May 27, 9:10 PM CDT | Severe Thunderstorm Warning | MEG | 31 min |
| Jun 10, 1:12 AM CDT | Mesoscale Discussion | SPC | 33 min |
| Jun 10, 9:04 AM CDT | Mesoscale Discussion | SPC | 86 min |
| Jun 11, 2:38 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 12, 11:35 AM CDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 12, 5:24 PM CDT | Mesoscale Discussion | SPC | 96 min |
| Jun 12, 5:53 PM CDT | Severe Thunderstorm Warning | MEG | 52 min |
| Jun 12, 6:41 PM CDT | Severe Thunderstorm Warning | MEG | 49 min |
| Jun 15, 10:34 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 15, 1:56 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Jun 15, 2:48 PM CDT | Tornado Watch | SPC | 3 hr |
| Jun 15, 3:52 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Jun 15, 4:10 PM CDT | Tornado Warning | MEG | 50 min |
| Jun 15, 4:57 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 15, 5:00 PM CDT | Tornado Warning | MEG | 15 min |
| Jun 15, 5:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 15, 6:27 PM CDT | Flash Flood Warning | MEG | 2 hr |
| Jun 15, 6:55 PM CDT | Severe Thunderstorm Warning | MEG | 20 min |
| Jun 15, 6:58 PM CDT | Severe Thunderstorm Warning | MEG | 62 min |
| Jun 15, 7:24 PM CDT | Flash Flood Warning | MEG | 86 min |
| Jun 16, 9:38 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Jun 17, 3:12 PM CDT | Heat Advisory | MEG | 5 days |
| Jun 23, 3:26 AM CDT | Heat Advisory | MEG | 16 hr |
| Jun 26, 3:17 AM CDT | Heat Advisory | MEG | 61 hr |
| Jul 4, 5:27 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Jul 5, 2:58 AM CDT | Flash Flood Warning | MEG | 63 min |
| Jul 13, 2:27 AM CDT | Severe Thunderstorm Warning | MEG | 63 min |
| Jul 15, 6:03 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Jul 15, 7:49 PM CDT | Mesoscale Discussion | SPC | 56 min |
| Jul 15, 8:16 PM CDT | Severe Thunderstorm Warning | MEG | 23 min |
| Jul 15, 8:25 PM CDT | Severe Thunderstorm Warning | MEG | 65 min |
| Jul 16, 7:52 AM CDT | Areal Flood Advisory | MEG | 2 hr |
| Jul 21, 10:06 AM CDT | Flash Flood Watch | MEG | 17 hr |
| Jul 23, 3:17 AM CDT | Dense Fog Advisory | MEG | 6 hr |
| Jul 28, 3:32 AM CDT | Flash Flood Watch | MEG | 15 hr |
| Jul 29, 3:13 PM CDT | Flash Flood Watch | MEG | 37 hr |
| Jul 30, 3:42 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Jul 30, 4:10 PM CDT | Tornado Watch | SPC | 6 hr |
| Jul 30, 5:01 PM CDT | Mesoscale Discussion | SPC | 59 min |
| Jul 30, 6:12 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Jul 30, 6:29 PM CDT | Mesoscale Discussion | SPC | 61 min |
| Jul 30, 7:05 PM CDT | Severe Thunderstorm Warning | MEG | 70 min |
| Jul 30, 7:42 PM CDT | Mesoscale Discussion | SPC | 63 min |
| Aug 1, 7:33 AM CDT | Flash Flood Watch | MEG | 14 hr |
| Aug 1, 1:44 PM CDT | Areal Flood Advisory | MEG | 2 hr |
| Aug 1, 1:53 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Aug 1, 3:44 PM CDT | Areal Flood Advisory | MEG | 2 hr |
| Aug 4, 6:21 PM CDT | Mesoscale Discussion | SPC | 114 min |
| Aug 4, 6:34 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 4, 8:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Aug 4, 11:11 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 5, 11:40 PM CDT | Dense Fog Advisory | MEG | 9 hr |
| Aug 11, 8:04 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Aug 11, 3:05 PM CDT | Severe Thunderstorm Warning | MEG | 40 min |
| Aug 12, 3:32 AM CDT | Dense Fog Advisory | MEG | 4 hr |
| Sep 3, 6:02 AM CDT | Dense Fog Advisory | MEG | 3 hr |
| Sep 8, 2:46 PM CDT | Areal Flood Advisory | MEG | 43 min |
| Sep 15, 4:15 AM CDT | Flash Flood Watch | MEG | 4 days |
| Sep 16, 3:52 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Sep 16, 5:39 PM CDT | Flash Flood Warning | MEG | 2 hr |
| Sep 17, 9:14 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Sep 18, 7:41 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Sep 20, 11:14 AM CDT | Flash Flood Watch | MEG | 8 hr |
| Sep 20, 2:17 PM CDT | Areal Flood Advisory | MEG | 118 min |
| Sep 20, 2:39 PM CDT | Flash Flood Warning | MEG | 4 hr |
| Sep 21, 9:58 PM CDT | Flash Flood Watch | MEG | 26 hr |
| Sep 22, 6:32 PM CDT | Areal Flood Advisory | MEG | 118 min |
| Sep 22, 8:17 PM CDT | Flash Flood Warning | MEG | 3 hr |
| Sep 22, 11:05 PM CDT | Areal Flood Warning | MEG | 8 hr |
| Sep 25, 11:42 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Sep 26, 7:36 AM CDT | Flash Flood Warning | MEG | 3 hr |
| Sep 26, 3:30 PM CDT | Dense Fog Advisory | MEG | 16 hr |
| Oct 7, 3:50 PM CDT | Flash Flood Watch | MEG | 48 hr |
| Oct 9, 12:08 PM CDT | Mesoscale Discussion | SPC | 67 min |
| Oct 15, 3:30 AM CDT | Dense Fog Advisory | MEG | 3 hr |
| Oct 16, 8:58 PM CDT | Freeze Watch | MEG | 19 hr |
| Oct 17, 3:40 PM CDT | Frost Advisory | MEG | 17 hr |
| Oct 18, 3:56 AM CDT | Frost Advisory | MEG | 29 hr |
| Oct 18, 3:33 PM CDT | Freeze Warning | MEG | 17 hr |
| Oct 24, 3:58 AM CDT | Frost Advisory | MEG | 17 hr |
| Nov 1, 3:25 AM CST | Frost Advisory | MEG | 29 hr |
| Nov 2, 3:23 AM CST | Freeze Watch | MEG | 36 hr |
| Nov 3, 3:43 PM CST | Freeze Warning | MEG | 16 hr |
| Nov 5, 3:26 PM CST | Freeze Warning | MEG | 16 hr |
| Nov 7, 12:30 PM CST | Red Flag Warning | OHX | 6 hr |
| Nov 29, 10:43 PM CST | Areal Flood Advisory | MEG | 2 hr |
| Nov 30, 12:44 AM CST | Areal Flood Advisory | MEG | 91 min |
| Dec 8, 2:34 PM CST | Flash Flood Warning | MEG | 4 hr |
| Dec 8, 3:31 PM CST | Flash Flood Watch | MEG | 8 hr |
| Dec 8, 5:48 PM CST | Tornado Watch | SPC | 6 hr |
| Dec 9, 5:53 AM CST | Wind Advisory | MEG | 6 hr |
| Dec 12, 10:19 PM CST | River Flood Advisory | OHX | 36 hr |
| Dec 14, 10:15 AM CST | River Flood Advisory | OHX | 6 days |
| Dec 21, 9:05 PM CST | Freezing Fog Advisory | MEG | 11 hr |
| Dec 22, 2:46 PM CST | River Flood Advisory | OHX | 56 hr |
| Dec 23, 3:32 PM CST | High Wind Watch | MEG | 24 hr |
| Dec 23, 3:32 PM CST | Wind Advisory | MEG | 44 hr |
| Dec 24, 6:53 PM CST | Areal Flood Advisory | MEG | 4 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20082010
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.