Severe WX 12/15/21 Midwest Severe/Wind Threat (1 Viewer)

brianc33710

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Having heard last night that tornadoes could touch down in areas like MN with snow on the ground, I found this 20 February 2014 video of a Jacksonville, IL tornado with snow patches on the ground. But, FTR, the high there did reach 62F/17C that day.

 

Tennie

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Things seem to be trending down across IA and MO as I'm writing this. We'll have to wait and see if this is it for this event or if it's only taking a temporary break before resuming its rampage.
 

Blacksheep

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Things seem to be trending down across IA and MO as I'm writing this. We'll have to wait and see if this is it for this event or if it's only taking a temporary break before resuming its rampage.
Agree the southern line is breaking up a bit, but there is still a very strong line showing from Iowa Falls to the MN line.
 
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That looks like pretty substantial (EF2-ish, at least if the house was reasonably well built and the scale is applied properly) damage; could end up being the strongest (or at least highest-rated) tornado of the day although I haven't yet had time to go over a lot of images from other affected areas.

Coincidentally, I know A.J. Waterman. He used to work at my employer, now works at WITI Fox 6 in Milwaukee.
 

brianc33710

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Nothing like tornado damaged houses with snow in their yards.
While the timing is probably different, I remember Huntsville, AL F-4 in November 1989 was followed by snow showers the next day. Also, Tuscaloosa's F-4 in December 2000 was followed by snow no more than a day later. Obviously in the above cases the snow was there BEFORE the tornado hit. EDIT That Tuscaloosa F-4 was actually 21 years ago today!
 
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DMX/DVN seem to be among the more reasonable offices when it comes to tornado surveys & ratings, but it's been a long time since an obvious high-end violent tornado directly impacted substantial populated areas in Iowa. A positive thing of course, but it means their rating practices for such tornadoes haven't really been put to the test in the present fraught environment for that particular "science."
 
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DMX/DVN seem to be among the more reasonable offices when it comes to tornado surveys & ratings, but it's been a long time since an obvious high-end violent tornado directly impacted substantial populated areas in Iowa. A positive thing of course, but it means their rating practices for such tornadoes haven't really been put to the test in the present fraught environment for that particular "science."
I tend to really like the NWS in Des Moines. They are usually consistent on how they rate their tornadoes.
 

Equus

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The forward speed of some of these tornadoes is astonishing; essentially automatically an EF2 sledgehammer on the right side just due to the speed. Some based on path length and start/end time 90+ mph. What an incredible event; coming just five days after the ostensibly most violent and deadly December outbreak just takes it to surreal territory
 

Taylor Campbell

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61 tornadoes in a state within a few hours is mind blowing. Also remember this got a special day 3 upgrade to marginal. This event was historic in so many ways.
 

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