Tuesday, April 19, 2011

TVS picked up in Sleet "Supercell?"

Yep, no joke. Here's the image from WeatherTap:


TVS marked as red storm track line east of Beloit, WI. This occurred ~2145 UTC (4/19/2011).
And a satellite image to compliment that cell...


How about this one, the "snake" squall-line? Squall-line, ever seen this feature before? Few bookend vorticies out there tonight, wouldn't be surprised to hear about some nighttime tors.

And to play with model data 6 days out, it looks promising for a chase within range for those of us at UW...I'll eat crow when future runs have it 250 miles south, but thats fine. 



Helicity & Convergence


2 comments:

  1. Hey Guys,

    To answer your question, Yes, I have seen this kind of snaking many times before. It looks like there were two pretty powerful bowing segments along that squall line yesterday evening. Nearly 500 severe wind reports. The snaking type patten (multiple bows across a squall line) is not that uncommon especially with the potent setup especially how the stationary/warm front was setup versus the mean flow. Hailstone, I'm sure can comment further, as he has been beefing up his Linear type severe weather knowledge. Pretty insane day and there are a few more to come in April (again see my post from the other day with 10 day outlook).

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  2. Oh yeah, The updated Tornado report count is up to 481 for April!!! With ten days left I'm pretty sure that single monthly total from May '03 is going down. Pretty freaking amazing considering April only averages around 150 total tornado reports historically!!!!!!!!!!!

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