Here is an update on the snow that took place yesterday and overnight last night / early this morning, and where it is going for the remainder of the day today...
Lots of folks had their white Christmas wish granted yesterday, in a broad swath extending from southern and central Oklahoma into northcentral Texas (including the DFW area which is a rarity), and then on Eastward into Arkansas. Snow fell late on Christmas evening and overnight last night from northeast Arkansas into the middle Mississippi Valley region. The snow depth analysis valid at 10am CST this morning is shown below, first on the wide view to give you an overall perspective:
On this next image I've zoomed in on the band of heaviest snow which fell from Arkansas into the Missouri bootheel:
...and on Northeastward across far southern Illinois and extreme southwestern Kentucky:
Snow is falling heavily at this hour from central and northern Indiana into the Ohio Valley as well as western and southern Pennsylvania:
...where a variety of winter weather warnings are in effect today:
The latest edition of the high resolution NAM computer forecast model is calling for total accumulation in excess of 1 foot across this region through 7am EST on Thursday morning:
When combined with strong and gusty North winds, white out or near white out conditions are possible across much of the region today, and travel is highly discouraged.
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