Excessive Heat Warnings in Tennessee
64 excessive heat warnings since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Warnings
- 64
- Busiest year
- 202310 excessive heat warnings
- Average year
- 4over 15 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Shelby County48
- Tipton County39
- Lauderdale County37
- Dyer County33
- Lake County30
- Obion County29
- Fayette County26
- Crockett County24
- Haywood County24
- Gibson County23
- Madison County21
- Hardeman County20
- McNairy County19
- Weakley County19
- Hardin County18
- Chester County18
- Carroll County17
- Decatur County17
- Henderson County17
- Henry County17
- Benton County13
- Houston County8
- Humphreys County8
- Montgomery County8
- Stewart County8
- Dickson County7
- Hickman County7
- Lewis County7
- Perry County7
- Wayne County7
- Lawrence County6
- Lincoln County6
- Moore County5
- Bedford County3
- Cheatham County3
- Davidson County3
- Giles County3
- Marshall County3
- Maury County3
- Robertson County3
20 more counties
Nearby
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.