Alert archive / Missouri / Flash Flood Warnings / 2020
Flash Flood Warnings in Missouri, August 2020
19 flash flood warnings in August 2020. 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 flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in August 2020. Tap one for its archive.
- Flash Flood Warnings
- 19
- Busiest day
- August 11, 20206 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 2, 9:08 PM CDT | Flash Flood Warning | LSX | Warren | 6 hr |
| Aug 3, 4:24 PM CDT | Flash Flood Warning | PAH | Bollinger | 2 hr |
| Aug 8, 11:03 PM CDT | Flash Flood Warning | LSX | Lincoln, Pike | 6 hr |
| Aug 9, 12:01 AM CDT | Flash Flood Warning | LSX | Saint Charles | 6 hr |
| Aug 9, 1:25 AM CDT | Flash Flood Warning | LSX | Saint Louis | 6 hr |
| Aug 9, 2:41 AM CDT | Flash Flood Warning | LSX | Jefferson, Saint Louis, City of Saint Louis | 6 hr |
| Aug 10, 3:45 PM CDT | Flash Flood Warning | LSX | Boone | 6 hr |
| Aug 10, 6:12 PM CDT | Flash Flood Warning | SGF | Dent | 6 hr |
| Aug 11, 7:04 AM CDT | Flash Flood Warning | SGF | Laclede, Texas | 5 hr |
| Aug 11, 9:39 AM CDT | Flash Flood Warning | SGF | Laclede, Pulaski | 2 hr |
| Aug 11, 11:36 AM CDT | Flash Flood Warning | PAH | Butler, Ripley | 3 hr |
| Aug 11, 12:54 PM CDT | Flash Flood Warning | PAH | Wayne | 2 hr |
| Aug 11, 5:24 PM CDT | Flash Flood Warning | SGF | Cedar, St. Clair | 3 hr |
| Aug 11, 6:21 PM CDT | Flash Flood Warning | SGF | St. Clair | 116 min |
| Aug 12, 10:19 AM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 4 hr |
| Aug 12, 11:47 AM CDT | Flash Flood Warning | LSX | Sainte Genevieve | 6 hr |
| Aug 12, 4:46 PM CDT | Flash Flood Warning | PAH | Butler, Carter, Wayne | 2 hr |
| Aug 15, 9:19 PM CDT | Flash Flood Warning | LSX | Saint Louis, City of Saint Louis | 3 hr |
| Aug 31, 2:27 PM CDT | Flash Flood Warning | PAH | Bollinger, Wayne | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Saint Louis County4
- City of Saint Louis3
- Wayne County3
- Bollinger County2
- Laclede County2
- Butler County2
- St. Clair County2
- Warren County1
- Lincoln County1
- Pike County1
- Saint Charles County1
- Jefferson County1
- Boone County1
- Dent County1
- Texas County1
- Pulaski County1
- Ripley County1
- Cedar County1
- Sainte Genevieve County1
- Carter County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.