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Jan 11-13th Blizzard


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If GFS verified would expect 15-25 in snowfalls (local 25-35) in parts of IL, IN, se WI, w mi, and 6-10 ft drifts in 50-70 mph winds, especially in snow belt additional snowfall zones. Continuous deepening for 24h and L michigan enhancement would combine to produce severe blizzard conditions.  Gem is not quite as strong but 10-20 local 20-25 and 4-6 ft drifts, 35-55 mph .

 

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38 minutes ago, hawkeye_wx said:

Models are pretty close at this point.  This is looking bigger to the east of Iowa, but models have some solid snow hanging back into my area.  Combined with the wind and cold, on top of the current storm's snow, it should be fun.

Yeah looks like we'll both be outside of the heavy swath, but high ratio snows on top of what will already be a deep snowpack will be fun.  Will just add even more ferocity to the incoming arctic blast.

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2 minutes ago, metallica470 said:

Looks like it's picking up the lake enhancement?

image.thumb.png.34309a7857035a57b318cbc8058fba70.png

Looks like a full fetch along the lake towards NE Illinois. Not gonna bother looking into thermals at this range tho. 

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2 minutes ago, cyclone77 said:

Yeah looks like we'll both be outside of the heavy swath, but high ratio snows on top of what will already be a deep snowpack will be fun.  Will just add even more ferocity to the incoming arctic blast.

Conditions/impacts wise I bet it stacks up well with 12/23/22. 4-6" of snow and 45-50mph gusts seems like a reasonable first guess here.

 

We're also in the jackpot zone for this storm so we don't really get to complain lol

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I would say the Thursday frontal wave could lay down 1-3" snow ahead of the heavier blizzard snowfalls, and when the low starts developing early Friday over OK-AR, the frontal boundary will be about where the low is supposed to track, so cold air will be well entrenched over n IL and all of WI, even parts of w mi west of GRR to APN. Temps during the blizzard would be around 28-31F near ORD due to lake moderation, but would quickly fall off to 15-20 F in w IL and 20-25F in e/c IL. The warm sector would get quickly squeezed out from colder air encircling the low and occluding fronts to force a new center to develop near Lake Ontario on Saturday. 

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