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February 4-5th Winter Storm


Chicago Storm

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Quite the difference between models.  12z GFS clobbers all of Iowa with 6+ inches while the 12z GGEM is almost a total whiff.  The surface low placement isn't much different, but the GFS has a strong defo zone well nw of the low while the GEM doesn't.

 

 

ULL on the GFS is further NW.

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GGEM clobbers SE MI. Mixing gets up to near toledo. This thing is hauling tho, which will limit amounts. TWC just posted a snowfall map through next Wednesday. Unlike them to do that, but haven't watched much of them in a few years but remember them being conservative. I guess they have changed. Map had 18-24 in illnois through chicago to detroit.

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GGEM clobbers SE MI. Mixing gets up to near toledo. This thing is hauling tho, which will limit amounts. TWC just posted a snowfall map through next Wednesday. Unlike them to do that, but haven't watched much of them in a few years but remember them being conservative. I guess they have changed. Map had 18-24 in illnois through chicago to detroit.

That would please some people immensely.

 

For as far out as it is, its actually a pretty decent consensus that this will be a nighttime event. Like one of those events when youre a kid and you go to bed and theres no new snow, and wake up buried and the storms about over.

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That would please some people immensely.

 

For as far out as it is, its actually a pretty decent consensus that this will be a nighttime event. Like one of those events when youre a kid and you go to bed and theres no new snow, and wake up buried and the storms about over.

yea. Still worried we will be battling precip issues eventually

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A local Mets take:

 

"Of the 3 deterministic/operational major global models, today’s 12z GFS is now the warmest–the opposite of its trend yesterday. The GFS would bring the 0 degree 850 isotherm farther north, making for period of mixed precip overwhelming the initial snow for at least a few hours. The ECMWF has also shifted positions in its 00z run, never bringing that 0 degree line north of PA, and the Canadian is similar. In their ensemble means, the GFS is a little warmer Wednesday, but not as warm as its deterministic run. The Canadian & ECMWF mean keeps us with mainly, if not entirely snow."
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