Monday (12/12) Morning Weather Briefing
GOOD MORNING! WINTER IS, UH, HERE.
More 2 hour delays than I thought there would be this morning as the mixing/changeover did not occur as fast or as far north as most computer models advertised....and the side roads remained a problem. Main roads are (generally) fine, just wet.Temperatures are going to flatline for a while this morning before slowly falling. The first of a few cold fronts is on the way. Oof look at that cold in the Upper Midwest this morning.
Not much more than a flurry or two for the rest of the day.
TUESDAY PM NUISENCE
A little moisture will meet up with the nest cold front Tuesday afternoon, resulting in some light snow breaking out after lunch. This won't add up to much but could lead to slick spots, mainly after sunset.
NWS has an inch or less for accumulation and I think that's right...but remember the IMPACTS are more important. And the impacts of a "little" snow at the wrong time of day can be significant.
INTO THE DEEP FREEZE
The coldest December weather we have seen in YEARS is on the way for the second half of the work week. The polar plunge will really take place Wednesday night into Thursday behind the NEXT cold front.
Thursday will really be hideous. Look at those isobars packed together. Will be very windy and snow showers will fly. We'll worry about lake-effect snow potential as we get closer. Higher impacts will probably come from the wind and cold. Thursday morning wind chills:
Wind chills will syat below zero all day. ACTUAL temperatures? Probably no higher than the lower teens. This will probably be our coldest December day in 8 or 12 years (and that 2004 temperature was at Christmas).
Friday will be bitterly cold but not as windy.
A DIFFERENT PATTERN
The arctic cold will be displaced by much warmer air Saturday but the transition could be bumpy. We may see a snow accumulation Friday night followed by mixed precipitation/ice early Saturday. Then rain as temperatures get above freezing. More on this as we get closer.
As we get closer to Christmas, a generally mild-ish pattern seems likely. We have been advertising this for a while. White Christmas odds seem low at the moment. 
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