Yet another storm system is threatening to bring wintry weather to the Mid-Atlantic. A storm system will move east across the country, before making a turn northward from the Gulf Coast region. How far north that system comes is the largest question. As shown above, we really have two scenarios. With scenario one, the storm would stay suppressed to the south. With that sort of a track, cold air would be allowed to dip further south into our region. As the precipitation spreads across the area late Sunday morning, it would be mainly snow. Some mixing would be possible for southern zones, but even there it would go over to snow. This type of a track would give our region some decent snow to close out winter. On the other hand there is scenario two, which I am favoring right now. Scenario Two would see our storm take a track further to the north. With a lack of cold air, warmer temps would be driven north giving most of the DMV a rainy Sunday afternoon. This scenario gives zones along the Mason Dixon Line and points north the highest snow totals. With still a degree of uncertainty, the National Weather Service has issued a Winter Storm WATCH for far northwestern areas. This is where the highest snow totals look to set up, locally. Again, at this juncture I favor a more northern track with this system. With that, I think most along I-95 and to the southeast see mainly rain. Areas along I-95 and to the northwest are likely to see some initial snow around noon (which is also when rain would start across SoMd) before going over to rain. I expect snow to hang on the longest where that Winter Storm WATCH is. By and large, this looks to be a typical, I-95 north and west type of an event. It is very possible that this could be the last winter storm of the season, but we'll see how March plays out. Precip with this storm should break out around noon on Sunday. Areas NW of I-95 will transition to rain throughout the evening. It looks like all precip should be out by mid-morning on Monday
-John A. Bordash
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