Alert archive / Tennessee / Carter County
Weather alerts in Carter County, Tennessee, 2018
126 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Carter County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 126
- Warnings
- 26
- Watches
- 15
- Advisories
- 61
- Busiest month
- April20 alerts
- Busiest day
- February 11, 20184 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Carter County, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 7 | 6 | 14% | 2 | 50% | 24 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2018
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Morristown, TN: tornado warnings | 8 | 0 | 100% | 0 | ||
| NWS Morristown, TN: severe thunderstorm warnings | 210 | 162 | 23% | 267 | 84% | 22 min |
| NWS Morristown, TN: flash flood warnings | 37 | 27 | 27% | 35 | 83% | 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 1, 4:14 AM EST | Wind Chill Advisory | MRX | 30 hr |
| Jan 3, 4:27 AM EST | Wind Chill Advisory | MRX | 32 hr |
| Jan 4, 3:36 AM EST | Wind Chill Advisory | MRX | 31 hr |
| Jan 5, 4:16 AM EST | Wind Chill Advisory | MRX | 30 hr |
| Jan 7, 4:06 AM EST | Winter Weather Advisory | MRX | 37 hr |
| Jan 10, 3:07 PM EST | Wind Advisory | MRX | 31 hr |
| Jan 15, 10:08 AM EST | Winter Weather Advisory | MRX | 45 hr |
| Jan 17, 1:29 PM EST | Wind Chill Advisory | MRX | 20 hr |
| Jan 22, 4:04 AM EST | Wind Advisory | MRX | 26 hr |
| Jan 28, 9:32 PM EST | Winter Weather Advisory | MRX | 38 hr |
| Feb 1, 3:12 AM EST | Winter Weather Advisory | MRX | 30 hr |
| Feb 3, 3:38 AM EST | Winter Weather Advisory | MRX | 30 hr |
| Feb 3, 3:15 PM EST | Wind Advisory | MRX | 21 hr |
| Feb 4, 6:02 PM EST | Winter Weather Advisory | MRX | 12 hr |
| Feb 6, 6:34 PM EST | Wind Advisory | MRX | 15 hr |
| Feb 9, 3:46 AM EST | Flood Watch | MRX | 63 hr |
| Feb 10, 10:20 PM EST | Areal Flood Advisory | MRX | 4 hr |
| Feb 11, 2:17 AM EST | Areal Flood Advisory | MRX | 3 hr |
| Feb 11, 5:26 AM EST | Areal Flood Advisory | MRX | 3 hr |
| Feb 11, 8:30 AM EST | Areal Flood Advisory | MRX | 4 hr |
| Feb 25, 5:48 AM EST | Special Weather Statement | MRX | 42 min |
| Mar 1, 3:24 AM EST | Wind Advisory | MRX | 31 hr |
| Mar 10, 3:12 PM EST | Winter Storm Watch | MRX | 12 hr |
| Mar 11, 4:28 AM EDT | Winter Weather Advisory | MRX | 49 hr |
| Mar 13, 3:23 AM EDT | Winter Weather Advisory | MRX | 32 hr |
| Mar 15, 3:33 AM EDT | Wind Advisory | MRX | 16 hr |
| Mar 17, 3:25 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 17, 4:33 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Mar 17, 7:06 PM EDT | Mesoscale Discussion | SPC | 114 min |
| Mar 17, 8:41 PM EDT | Severe Thunderstorm Warning | MRX | 64 min |
| Mar 17, 9:51 PM EDT | Severe Thunderstorm Warning | MRX | 54 min |
| Mar 20, 4:20 AM EDT | Winter Storm Warning | MRX | 44 hr |
| Mar 21, 3:40 AM EDT | Freeze Warning | MRX | 30 hr |
| Mar 22, 3:36 AM EDT | Freeze Warning | MRX | 30 hr |
| Apr 4, 2:00 AM EDT | Mesoscale Discussion | SPC | 105 min |
| Apr 4, 2:49 AM EDT | Special Weather Statement | MRX | 56 min |
| Apr 4, 4:32 AM EDT | Freeze Warning | MRX | 28 hr |
| Apr 6, 3:26 PM EDT | Freeze Watch | MRX | 12 hr |
| Apr 7, 3:28 AM EDT | Freeze Warning | MRX | 31 hr |
| Apr 10, 3:25 PM EDT | Frost Advisory | MRX | 18 hr |
| Apr 14, 3:19 PM EDT | Wind Advisory | MRX | 24 hr |
| Apr 15, 4:12 AM EDT | Freeze Watch | MRX | 11 hr |
| Apr 15, 3:39 PM EDT | Freeze Warning | MRX | 43 hr |
| Apr 15, 9:07 PM EDT | Areal Flood Warning | MRX | 2 hr |
| Apr 16, 4:28 AM EDT | Freeze Warning | MRX | 29 hr |
| Apr 16, 4:28 AM EDT | Wind Advisory | MRX | 11 hr |
| Apr 16, 5:21 AM EDT | Areal Flood Advisory | MRX | 4 hr |
| Apr 18, 2:49 PM EDT | Freeze Watch | MRX | 13 hr |
| Apr 19, 3:59 AM EDT | Freeze Warning | MRX | 29 hr |
| Apr 20, 3:18 PM EDT | Frost Advisory | MRX | 18 hr |
| Apr 21, 3:20 PM EDT | High Wind Watch | MRX | 13 hr |
| Apr 22, 4:12 AM EDT | High Wind Warning | MRX | 46 hr |
| Apr 22, 9:40 AM EDT | Wind Advisory | MRX | 40 hr |
| Apr 29, 3:26 AM EDT | Frost Advisory | MRX | 30 hr |
| May 5, 5:43 PM EDT | Special Weather Statement | MRX | 47 min |
| May 26, 11:41 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 27, 3:14 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| May 28, 4:20 AM EDT | Flash Flood Watch | MRX | 64 hr |
| May 31, 4:27 PM EDT | Mesoscale Discussion | SPC | 93 min |
| May 31, 6:16 PM EDT | Special Weather Statement | MRX | 59 min |
| Jun 2, 2:41 PM EDT | Special Weather Statement | MRX | 49 min |
| Jun 3, 3:24 PM EDT | Mesoscale Discussion | SPC | 66 min |
| Jun 3, 5:09 PM EDT | Special Weather Statement | MRX | 51 min |
| Jun 25, 12:29 PM EDT | Mesoscale Discussion | SPC | 61 min |
| Jun 25, 1:02 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 25, 3:25 PM EDT | Special Weather Statement | MRX | 50 min |
| Jul 5, 6:08 PM EDT | Special Weather Statement | MRX | 37 min |
| Jul 6, 2:45 PM EDT | Special Weather Statement | MRX | 45 min |
| Jul 6, 2:55 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Jul 15, 11:17 PM EDT | Areal Flood Advisory | MRX | 118 min |
| Jul 16, 1:20 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 17, 4:10 PM EDT | Special Weather Statement | MRX | 50 min |
| Jul 20, 10:48 PM EDT | Severe Thunderstorm Warning | MRX | 57 min |
| Jul 20, 10:52 PM EDT | Mesoscale Discussion | SPC | 53 min |
| Jul 26, 3:19 AM EDT | Dense Fog Advisory | MRX | 6 hr |
| Jul 31, 3:35 AM EDT | Flash Flood Watch | MRX | 3 days |
| Aug 8, 2:52 PM EDT | Severe Thunderstorm Warning | MRX | 23 min |
| Aug 10, 7:52 PM EDT | Areal Flood Advisory | MRX | 95 min |
| Aug 30, 2:35 PM EDT | Special Weather Statement | MRX | 25 min |
| Aug 31, 3:30 PM EDT | Special Weather Statement | MRX | 45 min |
| Sep 9, 6:33 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 9, 7:12 PM EDT | Severe Thunderstorm Warning | MRX | 78 min |
| Sep 10, 4:35 PM EDT | Areal Flood Advisory | MRX | 115 min |
| Sep 10, 5:19 PM EDT | Areal Flood Advisory | MRX | 116 min |
| Sep 15, 3:45 AM EDT | Wind Advisory | MRX | 36 hr |
| Sep 16, 4:04 PM EDT | Wind Advisory | MRX | 8 hr |
| Sep 26, 4:23 AM EDT | Flash Flood Watch | MRX | 40 hr |
| Oct 11, 9:02 AM EDT | Areal Flood Advisory | MRX | 4 hr |
| Oct 11, 10:56 AM EDT | Areal Flood Warning | MRX | 4 hr |
| Oct 19, 3:16 PM EDT | Freeze Watch | MRX | 12 hr |
| Oct 20, 3:03 AM EDT | Freeze Warning | MRX | 31 hr |
| Oct 20, 2:53 PM EDT | Wind Advisory | MRX | 13 hr |
| Oct 21, 3:35 AM EDT | Freeze Warning | MRX | 29 hr |
| Oct 25, 3:42 PM EDT | Wind Advisory | MRX | 24 hr |
| Oct 28, 3:49 AM EDT | Wind Advisory | MRX | 24 hr |
| Oct 29, 9:32 PM EDT | Frost Advisory | MRX | 11 hr |
| Nov 1, 3:40 AM EDT | Wind Advisory | MRX | 22 hr |
| Nov 5, 3:42 AM EST | Wind Advisory | MRX | 30 hr |
| Nov 6, 2:40 AM EST | Mesoscale Discussion | SPC | 65 min |
| Nov 6, 5:58 AM EST | Severe Thunderstorm Warning | MRX | 47 min |
| Nov 6, 6:43 AM EST | Severe Thunderstorm Warning | MRX | 22 min |
| Nov 8, 11:04 AM EST | Freeze Warning | MRX | 47 hr |
| Nov 10, 12:35 PM EST | Freeze Warning | MRX | 21 hr |
| Nov 14, 5:07 AM EST | Winter Weather Advisory | MRX | 29 hr |
| Nov 23, 3:25 AM EST | High Wind Warning | MRX | 28 hr |
| Nov 23, 7:34 AM EST | Wind Advisory | MRX | 14 hr |
| Nov 25, 2:46 PM EST | Wind Advisory | MRX | 20 hr |
| Nov 27, 3:18 AM EST | Wind Chill Advisory | MRX | 29 hr |
| Nov 30, 9:45 PM EST | Wind Advisory | MRX | 14 hr |
| Dec 1, 12:00 PM EST | High Wind Warning | MRX | 7 hr |
| Dec 4, 3:32 PM EST | Winter Weather Advisory | MRX | 23 hr |
| Dec 6, 3:24 PM EST | Winter Storm Watch | MRX | 36 hr |
| Dec 7, 3:52 PM EST | Winter Storm Warning | MRX | 59 hr |
| Dec 8, 3:10 PM EST | Winter Weather Advisory | MRX | 43 hr |
| Dec 8, 10:32 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 9, 3:08 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 9, 8:18 AM EST | Mesoscale Discussion | SPC | 5 hr |
| Dec 11, 4:44 AM EST | Freezing Fog Advisory | MRX | 6 hr |
| Dec 13, 3:35 PM EST | Wind Advisory | MRX | 24 hr |
| Dec 20, 3:19 PM EST | Winter Weather Advisory | MRX | 40 hr |
| Dec 26, 4:02 AM EST | High Wind Watch | MRX | 12 hr |
| Dec 26, 3:42 PM EST | Flash Flood Watch | MRX | 48 hr |
| Dec 26, 3:42 PM EST | High Wind Warning | MRX | 45 hr |
| Dec 28, 9:52 AM EST | Areal Flood Advisory | MRX | 5 hr |
| Dec 28, 3:42 PM EST | Areal Flood Advisory | MRX | 4 hr |
| Dec 30, 10:06 PM EST | Wind Advisory | MRX | 25 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 | 7 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 12 |
| Flooding | |
| Areal Flood Warning | 2 |
| Flash Flood Watch | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 16 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 12 |
| Cold | |
| Freeze Warning | 11 |
| Freeze Watch | 4 |
| Frost Advisory | 4 |
| Wind Chill Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 4 |
| High Wind Watch | 2 |
| Wind Advisory | 21 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Freezing Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.