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Hybrid frisbee storm - December 31-January 2


snowstormcanuck

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The potential for an overperforming system is definitely there IMO considering both the NAM and GFS bufkit soundings for KSBN have a near 300 mb isothermal layer impinging on the lower end of the DGZ tonight. The extra lift within this band should cool the column a few degrees and have nicely co-located omega and moisture within the DGZ within the frontogenesis band. NAM and GFS are both indicating ratios of 16:1 to 20:1 within this band with 12:1 to 16:1 on the fringes. These ratios could be a bit underdone given my aforementioned reasoning. 

 

Would not be surprised to see event total ratios of near 20:1 in a few spots. If the QPF values near 0.75" verify then a few locations are in for a real treat. 

 

Overall, expect liquid totals of 0.5 to 0.6 along I-80 which is still a nice swath of 10-12 inches. (This doesn't include the lake effect/lake enhancement for you Chicago folks.)

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