Currently watching one little tornadic cell in North Dakota - the pink polygon is the tornado warning for Grant county until 8:45pm MDT. This particular cell is a doppler radar indicated severe thunderstorm, but a tornado did briefly touchdown and then went back up into the clouds at roughly 6:58pm.
This is the storm relative velocity(SRV) - you can see there's a pretty bright green (area of motion towards the radar which is located near Bismarck) right next to the red (area of motion away from the radar) Basically the SRV looks relatively similar at each cross-section of the storm which means that there is rotation in this storm.
The whole cell is heading towards McIntosh, SD in Corson county - plus we have more severe storms to our south... expect the area between this cell in ND and the storms to our south in NE to fill in for some late night storms and showers.
More severe weather is expected south of I-90 tomorrow and a broader area of severe risk is in the forecast for Monday... we'll keep you informed of all the details of course. More information on the severe threat tomorrow as I think that most of Sunday's severe weather will be further south than in our neck of the woods.
~KDLT Meteorologist Jesse Ritka
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Thoughts from you guys...