Daily Archives: December 12, 2020

Wednesday’s Winter Storm: Latest model data, including 3 possible scenarios

Models continue to show a big coastal storm to impact the Mid-Atlantic Region on Wednesday. There has been little change in model guidance, but some ensemble data has trended a bit colder due stronger high pressure and creating a classic “CAD” or “Cold Air Damming” east of the mountains. SCENARIO #1 Scenario #1 is mostly…

Increasing snow and ice threat Wednesday; Also watching Monday in Southwest and Northern VA

Here’s the latest information on TWO storm system that we’re watching next week. The first one on Monday will be MAINLY RAIN, *BUT* there may be some surprises if the moisture gets in early enough during the day. Monday, December 14 Low pressure will move across the Tennessee River Valley on Sunday and slowly move…