There will be a cold front and a relatively weak storm system moving across the country this week, however it will only cool us off slightly. This cold frontal passage this week looks mainly dry. Behind the front, cooler conditions will prevail, but we are not expecting any significant cold similar to the last Arctic blast.
This coming weekend however, a major storm system will push east with a cold front, and will bring heavy rains, possibly severe thunderstorms including the possibility for tornadoes, and sleet and snow to the mountains of Pennsylvania. This storm system should arrive in the east sometime on Saturday, roughly. Snow could also be flying in the mountains of West Virginia and western Virginia as well.
Behind the front will be a very cold shot of air, which will drive nighttime lows down into the teens and 20s. With the wind chill, and depending on where you live, we could see the dangers for frostbite. The GEFS ensembles shown below, are depicting numbing cold for Sunday, as temperatures will plunge below freezing. Extra firewood and the heat will be needed this weekend and into Monday.
We are NOT expecting a significant snowstorm this weekend. The cold air will come BEHIND the front, which means that anything that falls ahead of the front will be rain. The only locations where snow is expected will be in the mountains. The cold air will make many of us freeze here in the East, and even northern Florida is included in this next cold shot.
Summary: the storm system moving across the country this week will not be the big one, the storm system moving through this weekend will be, and will bring our next shot of very cold air.
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