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Feb 10th-11th Potent front/system


Brian D
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10 hours ago, purduewx80 said:

Hi res looks much better tomorrow. Prolly a max near Evanston (4-6”?) but there should be LES in most of Lake/Cook, IL. The aforementioned jet streak may even give it a relative boost towards evening. 

Will add Kenosha/Racine Co., WI, to this. Somewhere in there where synoptic snow overlaps/seeds LES may be near warning criteria imo. Even ORD could do well later on due to enhanced convergence along the shore north of Evanston. 

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2 minutes ago, A-L-E-K said:

maybe it's the extra seeding from the disturbance starting to move overhead but returns have picked up nicely, should be solid downtown 

Not getting any help from that until the snow in Iowa moves in. Basically if you add snow from aloft to the convective lake plume, you get more widespread/heavier snow (temps in the lake plume important). Could argue the approaching shortwave and jet maxes are boosting the lift, but there’s also an increase in low level flow and resultant convergence w boundary layer flow turning from the N/NE. DGZ is pretty much on the ground so it’s a perfect setup to overperform. 

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7 minutes ago, purduewx80 said:

+SN here too. 

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Woohoo! I was just about to ask my roomies what it looked like at our apartment (Wicker Park). WWA would seem like a good idea at this point even if solely based on impact—I just drove to UIC from the Loop and it was a little dicey.

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