Alert archive / Tennessee / Greene County
Weather alerts in Greene County, Tennessee, 2022
144 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Greene County and its neighbors
Each county as a circle sized by its count in 2022. Tap one for its archive.
- Alerts
- 144
- Warnings
- 47
- Watches
- 20
- Advisories
- 53
- Busiest month
- May18 alerts
- Busiest day
- May 6, 202211 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Greene County, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 20 | 16 | 20% | 6 | 67% | 16 min |
| Flash flood warnings | 5 | 4 | 20% | 4 | 75% | 74 min |
Each office's whole area, 2022
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Morristown, TN: tornado warnings | 4 | 0 | 100% | 0 | ||
| NWS Morristown, TN: severe thunderstorm warnings | 185 | 150 | 19% | 242 | 85% | 18 min |
| NWS Morristown, TN: flash flood warnings | 51 | 27 | 47% | 66 | 82% | 91 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 1, 3:31 AM EST | Wind Advisory | MRX | 20 hr |
| Jan 2, 4:03 AM EST | Winter Storm Warning | MRX | 30 hr |
| Jan 2, 7:19 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 5, 3:15 AM EST | Winter Storm Watch | MRX | 12 hr |
| Jan 5, 2:59 PM EST | Winter Storm Warning | MRX | 34 hr |
| Jan 5, 2:59 PM EST | Winter Weather Advisory | MRX | 25 hr |
| Jan 6, 3:36 PM EST | Winter Weather Advisory | MRX | 9 hr |
| Jan 13, 3:06 PM EST | Winter Storm Watch | MRX | 48 hr |
| Jan 15, 4:29 AM EST | Winter Storm Warning | MRX | 63 hr |
| Jan 15, 4:29 AM EST | Winter Weather Advisory | MRX | 59 hr |
| Jan 15, 8:56 AM EST | High Wind Watch | MRX | 6 hr |
| Jan 15, 3:21 PM EST | High Wind Warning | MRX | 24 hr |
| Jan 16, 4:02 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Jan 27, 3:01 PM EST | Wind Chill Watch | MRX | 12 hr |
| Jan 27, 3:01 PM EST | Winter Storm Warning | MRX | 42 hr |
| Jan 28, 3:22 AM EST | Wind Chill Advisory | MRX | 33 hr |
| Feb 2, 3:36 AM EST | Wind Advisory | MRX | 20 hr |
| Feb 2, 9:51 PM EST | High Wind Watch | MRX | 6 hr |
| Feb 3, 3:23 AM EST | High Wind Warning | MRX | 25 hr |
| Feb 11, 2:20 PM EST | Red Flag Warning | MRX | 5 hr |
| Feb 16, 3:23 AM EST | High Wind Watch | MRX | 12 hr |
| Feb 16, 3:23 AM EST | Wind Advisory | MRX | 28 hr |
| Feb 16, 3:01 PM EST | High Wind Warning | MRX | 34 hr |
| Feb 16, 3:01 PM EST | Wind Advisory | MRX | 34 hr |
| Feb 23, 2:56 PM EST | Flood Watch | MRX | 43 hr |
| Feb 24, 9:19 AM EST | Areal Flood Advisory | MRX | 3 hr |
| Feb 24, 10:16 AM EST | Flash Flood Warning | MRX | 3 hr |
| Feb 24, 10:54 AM EST | Flash Flood Warning | MRX | 4 hr |
| Feb 24, 10:58 AM EST | Flash Flood Warning | MRX | 4 hr |
| Feb 24, 1:56 PM EST | Wind Advisory | MRX | 18 hr |
| Feb 24, 2:46 PM EST | Areal Flood Advisory | MRX | 3 hr |
| Mar 6, 3:02 PM EST | Wind Advisory | MRX | 28 hr |
| Mar 7, 2:20 PM EST | Mesoscale Discussion | SPC | 2 hr |
| Mar 10, 3:13 PM EST | Winter Storm Watch | MRX | 13 hr |
| Mar 11, 3:54 AM EST | Winter Storm Warning | MRX | 36 hr |
| Mar 11, 3:54 AM EST | Winter Weather Advisory | MRX | 30 hr |
| Mar 12, 2:33 AM EST | Mesoscale Discussion | SPC | 6 hr |
| Mar 12, 2:40 PM EST | Wind Chill Advisory | MRX | 17 hr |
| Mar 17, 3:21 PM EDT | Wind Advisory | MRX | 36 hr |
| Mar 21, 3:32 PM EDT | High Wind Watch | MRX | 12 hr |
| Mar 22, 3:53 AM EDT | High Wind Warning | MRX | 33 hr |
| Mar 23, 1:16 PM EDT | Wind Advisory | MRX | 7 hr |
| Mar 25, 3:21 PM EDT | Wind Advisory | MRX | 29 hr |
| Mar 27, 3:11 AM EDT | Red Flag Warning | MRX | 17 hr |
| Mar 28, 3:39 PM EDT | High Wind Watch | MRX | 19 hr |
| Mar 29, 10:30 AM EDT | High Wind Warning | MRX | 44 hr |
| Mar 29, 10:30 AM EDT | Wind Advisory | MRX | 44 hr |
| Mar 29, 3:18 PM EDT | Red Flag Warning | MRX | 39 hr |
| Apr 1, 3:26 AM EDT | Freeze Warning | MRX | 30 hr |
| Apr 4, 3:32 PM EDT | Wind Advisory | MRX | 28 hr |
| Apr 6, 8:56 PM EDT | Special Weather Statement | MRX | 19 min |
| Apr 6, 10:05 PM EDT | Special Weather Statement | MRX | 40 min |
| Apr 7, 3:23 PM EDT | Winter Weather Advisory | MRX | 55 hr |
| Apr 9, 3:02 PM EDT | Freeze Warning | MRX | 18 hr |
| Apr 13, 3:58 AM EDT | Wind Advisory | MRX | 28 hr |
| Apr 16, 3:14 PM EDT | Wind Advisory | MRX | 45 hr |
| Apr 19, 3:27 PM EDT | Frost Advisory | MRX | 18 hr |
| Apr 26, 3:41 PM EDT | Frost Advisory | MRX | 17 hr |
| May 6, 1:04 PM EDT | Mesoscale Discussion | SPC | 86 min |
| May 6, 1:41 PM EDT | Tornado Watch | SPC | 6 hr |
| May 6, 3:14 PM EDT | Severe Thunderstorm Warning | MRX | 46 min |
| May 6, 3:57 PM EDT | Severe Thunderstorm Warning | MRX | 33 min |
| May 6, 4:03 PM EDT | Mesoscale Discussion | SPC | 57 min |
| May 6, 4:28 PM EDT | Severe Thunderstorm Warning | MRX | 47 min |
| May 6, 4:55 PM EDT | Severe Thunderstorm Warning | MRX | 50 min |
| May 6, 5:22 PM EDT | Severe Thunderstorm Warning | MRX | 38 min |
| May 6, 5:41 PM EDT | Severe Thunderstorm Warning | MRX | 49 min |
| May 6, 5:56 PM EDT | Severe Thunderstorm Warning | MRX | 49 min |
| May 6, 6:29 PM EDT | Mesoscale Discussion | SPC | 91 min |
| May 19, 7:03 PM EDT | Severe Thunderstorm Warning | MRX | 42 min |
| May 21, 3:23 PM EDT | Special Weather Statement | MRX | 37 min |
| May 21, 4:06 PM EDT | Special Weather Statement | MRX | 39 min |
| May 21, 4:18 PM EDT | Severe Thunderstorm Warning | MRX | 27 min |
| May 21, 4:38 PM EDT | Severe Thunderstorm Warning | MRX | 38 min |
| May 21, 4:56 PM EDT | Severe Thunderstorm Warning | MRX | 21 min |
| May 26, 4:03 AM EDT | Wind Advisory | MRX | 19 hr |
| Jun 2, 3:42 PM EDT | Special Weather Statement | MRX | 48 min |
| Jun 13, 3:28 PM EDT | Heat Advisory | MRX | 29 hr |
| Jun 17, 1:02 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 17, 1:38 PM EDT | Severe Thunderstorm Warning | MRX | 52 min |
| Jun 17, 2:39 PM EDT | Special Weather Statement | MRX | 51 min |
| Jun 17, 2:48 PM EDT | Severe Thunderstorm Warning | MRX | 42 min |
| Jun 25, 4:38 PM EDT | Special Weather Statement | MRX | 52 min |
| Jul 5, 5:28 PM EDT | Severe Thunderstorm Warning | MRX | 47 min |
| Jul 5, 5:34 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 6, 3:53 PM EDT | Severe Thunderstorm Warning | MRX | 42 min |
| Jul 10, 2:02 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 18, 2:44 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 2:04 AM EDT | Mesoscale Discussion | SPC | 116 min |
| Jul 21, 4:11 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 25, 1:17 PM EDT | Areal Flood Advisory | MRX | 118 min |
| Jul 26, 1:32 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Jul 26, 1:47 PM EDT | Flood Watch | MRX | 7 hr |
| Jul 27, 2:47 AM EDT | Flood Watch | MRX | 20 hr |
| Jul 27, 1:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 27, 4:03 PM EDT | Special Weather Statement | MRX | 42 min |
| Jul 28, 2:32 AM EDT | Flood Watch | MRX | 43 hr |
| Aug 3, 5:22 PM EDT | Severe Thunderstorm Warning | MRX | 38 min |
| Aug 4, 5:50 PM EDT | Special Weather Statement | MRX | 40 min |
| Aug 4, 6:12 PM EDT | Special Weather Statement | MRX | 48 min |
| Aug 4, 6:22 PM EDT | Severe Thunderstorm Warning | MRX | 53 min |
| Aug 5, 3:56 PM EDT | Special Weather Statement | MRX | 34 min |
| Aug 5, 4:38 PM EDT | Severe Thunderstorm Warning | MRX | 52 min |
| Aug 9, 4:14 AM EDT | Areal Flood Advisory | MRX | 112 min |
| Aug 9, 4:29 PM EDT | Severe Thunderstorm Warning | MRX | 46 min |
| Aug 10, 3:12 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Aug 10, 3:31 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Aug 10, 3:48 PM EDT | Special Weather Statement | MRX | 57 min |
| Aug 10, 3:53 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 10, 4:08 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Aug 10, 4:15 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Aug 26, 7:25 AM EDT | Areal Flood Advisory | MRX | 41 min |
| Aug 28, 3:07 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Sep 4, 3:02 AM EDT | Flood Watch | MRX | 41 hr |
| Sep 25, 6:23 PM EDT | Severe Thunderstorm Warning | MRX | 37 min |
| Sep 30, 3:38 AM EDT | Wind Advisory | MRX | 28 hr |
| Oct 8, 3:13 AM EDT | Frost Advisory | MRX | 29 hr |
| Oct 9, 2:51 PM EDT | Frost Advisory | MRX | 18 hr |
| Oct 16, 4:08 AM EDT | Freeze Watch | MRX | 11 hr |
| Oct 16, 3:12 PM EDT | Freeze Warning | MRX | 43 hr |
| Oct 18, 2:53 AM EDT | Freeze Warning | MRX | 31 hr |
| Oct 19, 2:49 PM EDT | Freeze Warning | MRX | 19 hr |
| Oct 24, 3:26 PM EDT | Wind Advisory | MRX | 41 hr |
| Nov 4, 3:47 AM EDT | Wind Advisory | MRX | 40 hr |
| Nov 10, 4:00 AM EST | Wind Advisory | MRX | 33 hr |
| Nov 14, 3:12 PM EST | Wind Advisory | MRX | 24 hr |
| Nov 26, 3:01 AM EST | High Wind Warning | MRX | 36 hr |
| Nov 27, 11:43 AM EST | Wind Advisory | MRX | 7 hr |
| Nov 28, 2:18 PM EST | High Wind Watch | MRX | 13 hr |
| Nov 29, 3:23 AM EST | High Wind Warning | MRX | 30 hr |
| Dec 2, 3:40 AM EST | Wind Advisory | MRX | 30 hr |
| Dec 7, 4:30 PM EST | Areal Flood Advisory | MRX | 3 hr |
| Dec 7, 10:56 PM EST | Dense Fog Advisory | MRX | 10 hr |
| Dec 9, 6:56 AM EST | Dense Fog Advisory | MRX | 4 hr |
| Dec 9, 9:02 PM EST | Dense Fog Advisory | MRX | 13 hr |
| Dec 13, 3:12 PM EST | High Wind Watch | MRX | 13 hr |
| Dec 14, 3:42 AM EST | High Wind Warning | MRX | 27 hr |
| Dec 14, 3:42 AM EST | Wind Advisory | MRX | 27 hr |
| Dec 21, 3:49 AM EST | Wind Chill Watch | MRX | 12 hr |
| Dec 21, 3:30 PM EST | Wind Chill Warning | MRX | 70 hr |
| Dec 22, 4:04 AM EST | Winter Weather Advisory | MRX | 32 hr |
| Dec 22, 2:49 PM EST | Wind Advisory | MRX | 25 hr |
| Dec 24, 3:10 AM EST | Wind Chill Advisory | MRX | 31 hr |
| Dec 30, 4:10 AM EST | Wind Advisory | MRX | 30 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 | 20 |
| Severe Thunderstorm Watch | 1 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 12 |
| Flooding | |
| Flash Flood Warning | 5 |
| Flood Watch | 5 |
| Areal Flood Advisory | 12 |
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 3 |
| Winter Weather Advisory | 6 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 5 |
| Wind Chill Warning | 1 |
| Freeze Watch | 1 |
| Wind Chill Watch | 2 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 3 |
| Wind and dust | |
| High Wind Warning | 8 |
| High Wind Watch | 7 |
| Wind Advisory | 24 |
| Fire | |
| Red Flag Warning | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20212023
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.