Thanks to an upper-level low, a couple of nearby boundaries, and a bit of instability, I kept an eye on the radar Friday as I was grading exams. Eventually, the
eye candy on the radar drew my attention outside and away from the red ink. Initially, a
storm formed over Sycamore and moved very slowly to the north. I caught up with this severe-warned storm between
Sycamore and Genoa. The storm featured a ragged base with transitory wall cloud features. It was most interesting in its earliest stages, before it began to backfill along the lake-induced pneumonia front. I then turned my eyes (and car) toward a new storm that formed over Mendota "Hills" south of DeKalb. This
tor-warned storm, as with the prior storm, featured a ragged wall cloud and only brief signs of rotation. Eventually left the storm to finish grading when it was apparent it had become nothing more than an efficient spitter of precipitable water (~5" of rain southwest of DeKalb). Fun lil' chase ...
Sycamore-Genoa Storm
South DeKalb Storm
Lots of scud hangin' near the ground.
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