Alert archive / Minnesota / Mesoscale Discussions / 2009
Mesoscale Discussions in Minnesota, May 2009
4 mesoscale discussions in May 2009. 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 May 2009. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- May 6, 20091 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 |
|---|---|---|---|---|
| May 6, 1:55 PM CDT | Mesoscale Discussion | SPC | Brown, Cottonwood, Jackson, Murray, Nicollet, Nobles and 3 more | 65 min |
| May 12, 8:42 PM CDT | Mesoscale Discussion | SPC | Big Stone, Clay, Grant, Kittson, Lac qui Parle, Lincoln and 13 more | 93 min |
| May 15, 1:17 PM CDT | Mesoscale Discussion | SPC | Aitkin, Beltrami, Benton, Brown, Cass, Chippewa and 28 more | 58 min |
| May 29, 2:07 PM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Cass, Clay, Clearwater, Crow Wing and 19 more | 83 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Murray County3
- Brown County2
- Cottonwood County2
- Nobles County2
- Redwood County2
- Renville County2
- Clay County2
- Grant County2
- Kittson County2
- Lincoln County2
- Lyon County2
- Marshall County2
- Norman County2
- Pennington County2
- Pipestone County2
- Polk County2
- Red Lake County2
- Rock County2
- Traverse County2
- Wilkin County2
- Yellow Medicine County2
- Beltrami County2
- Cass County2
- Crow Wing County2
- Douglas County2
- Hubbard County2
- Itasca County2
- Todd County2
- Wadena County2
- Jackson County1
- Nicollet County1
- Watonwan County1
- Big Stone County1
- Lac qui Parle County1
- Stevens County1
- Aitkin County1
- Benton County1
- Chippewa County1
- Kanabec County1
- Kandiyohi County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.