Alert archive / Missouri / Excessive Heat Warnings
Excessive Heat Warnings in Missouri, 2021
7 excessive heat warnings in 2021. 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 in 2021. Tap one for its archive.
- Excessive Heat Warnings
- 7
- Busiest month
- July5 excessive heat warnings
- Busiest day
- July 30, 20212 excessive heat warnings
Over time
By month
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 | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 3:08 PM CDT | Excessive Heat Warning | EAX | Clay, Jackson, Platte | 4 days |
| Jul 28, 11:16 AM CDT | Excessive Heat Warning | SGF | Barton, Benton, Cedar, Dade, Hickory, Jasper and 6 more | 58 hr |
| Jul 29, 2:55 PM CDT | Excessive Heat Warning | EAX | Bates, Buchanan, Cass, Clay, Henry, Jackson and 3 more | 29 hr |
| Jul 30, 2:56 AM CDT | Excessive Heat Warning | SGF | Barton, Cedar, Dade, Jasper, Lawrence, McDonald and 3 more | 42 hr |
| Jul 30, 3:24 PM CDT | Excessive Heat Warning | EAX | Bates | 25 hr |
| Aug 10, 2:50 AM CDT | Excessive Heat Warning | EAX | Clay, Jackson, Platte | 65 hr |
| Aug 10, 3:20 AM CDT | Excessive Heat Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 65 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clay County3
- Jackson County3
- Platte County3
- Barton County2
- Cedar County2
- Dade County2
- Jasper County2
- Lawrence County2
- McDonald County2
- Newton County2
- Polk County2
- Vernon County2
- Bates County2
- Benton County1
- Hickory County1
- St. Clair County1
- Buchanan County1
- Cass County1
- Henry County1
- Johnson County1
- Pettis County1
- Saint Charles County1
- Saint Louis County1
- City of Saint Louis1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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. Rebuilt daily.