12/21 – Brittany’s “Moderate For Now” Wednesday Evening Forecast

The quiet portion of the forecast is now. The sfc low plaguing the area yesterday has moved into the northeastern Gulf and weak high pressure is back in place.

Thursday night through Tuesday, this is the main time frame for impacts across our region. We have been advertising this Arctic airmass for what feels like almost a week now and it is almost here. With that we have already issued numerous Watches and Advisories this morning to signal the change from talking and checking your supplies and preparedness plans to finishing them up and about ready to enact. Impacts: 1 – Temperatures – Temps will drop 20-30 degrees in a matter of hours to below freezing by Friday morning. 2 – Winds – Courtesy of a tighter pressure gradient, winds are going to gust anywhere from 35-45 mph. This will affect holiday travel. 3 – Wind Chill – When we couple below freezing temperatures with strong winds, we get a brutal wind chill. Temperatures will feel like single digits.

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