Increasing instability and strong winds in the upper levels of the atmosphere are creating ideal conditions for damaging straight-line winds.
Hot, humid air across the northern Plains will become more unstable this afternoon with daytime heating. The areas most likely to get hit with this severe weather are in southeast North Dakota and central Minnesota.
The greatest risk is going to be strong, damaging winds in excess of 58 mph. Strong winds aloft will move any severe storms that much faster and cause stronger winds.
Storms will begin to develop in west-central North Dakota late this afternoon and continue traveling east into Minnesota through the evening and night.
This is a potential setup for a derecho, but we'll have to wait and see if it's able to hold together long enough to create damaging winds along a swath of at least 240 miles.
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