Alert archive / Iowa / Mesoscale Discussions / 2018
Mesoscale Discussions in Iowa, December 2018
3 mesoscale discussions in December 2018. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in December 2018. Tap one for its archive.
- Mesoscale Discussions
- 3
- Busiest day
- December 1, 20181 mesoscale discussions
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 |
|---|---|---|---|---|
| Dec 1, 11:33 AM CST | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Hancock and 8 more | 3 hr |
| Dec 27, 6:07 PM CST | Mesoscale Discussion | SPC | Lyon | 5 hr |
| Dec 31, 11:50 AM CST | Mesoscale Discussion | SPC | Allamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 20 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Emmet County1
- Hancock County1
- Kossuth County1
- O'Brien County1
- Palo Alto County1
- Plymouth County1
- Pocahontas County1
- Sioux County1
- Winnebago County1
- Worth County1
- Lyon County1
- Allamakee County1
- Benton County1
- Black Hawk County1
- Boone County1
- Bremer County1
- Buchanan County1
- Butler County1
- Chickasaw County1
- Clayton County1
- Dallas County1
- Delaware County1
- Dubuque County1
- Fayette County1
- Floyd County1
- Franklin County1
- Grundy County1
- Hamilton County1
- Hardin County1
- Howard County1
- Jasper County1
- Marshall County1
- Polk County1
- Story County1
- Tama County1
- Winneshiek County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe 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.