Weekend Weather Spotlight: 12-31-21 | weatherology°
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By: Meteorologist Phil Genskow
Updated: Dec 31st 2021

Weekend Weather Spotlight: 12-31-21

We will be tracking one major system to affect a good chunk of the country to end the year and begin the new year. An upper trough will move across the country the next few days and will produce a surface low which will organize in eastern CO today making it into OK by Saturday morning and then through the Ohio River Valley and Northeast throughout Saturday and Saturday night. Just about everything is expected with this system, soaking rains, heavy snow, ice, and severe weather as it is looking similar to a spring-type setup. Today will begin with scattered rain and snow showers across the western third of the country, but things begin to get interesting tonight/overnight when precipitation begins to become more widespread on the northern part of this system from the Central Plains to the Ohio River Valley. Precipitation mode will transition from soaking rain to ice, to accumulating snows. The exact placement of this precipitation will depend greatly on the track of the surface low, however, it appears that the better chances for significant snow from southwest KS east-northeast to lower MI. A cold front will also accompany this system and be the focal point for severe weather into the weekend. A few severe storms are possible the evening and overnight from southeast OK to south-central KY/north-central TN ahead of this system, then potentially better chance coming beginning Saturday afternoon/evening as redevelopment looks likely in some of the same areas as tonight/overnight and evolve into the squall line and move through the Southeast through Sunday night. 

surface low
surface low track.
SPC D2
severe storm probabilities Saturday.
snow probabilities > 4 inches
snow probabilities > 4 inches through the weekend.