Kevin Mcgill News Today : Breaking News, Live Updates & Top Stories | Vimarsana

St. Louis and where you have that clashing air mass you have this almost conveyer belt of heavy moisture between the two zones and the northern end of that cold enough for snow on the brink of it and ice and south of that you have the rain and all of this is moving straight up to the northeast to the midatlantic and our area. And ta touk more about the timing of that change over and when winter storm warnings go into effect for where you live lets bring in cecily tynan. The further south you are the more snow you see. The Weather Service has posted winter storm warnings for almost the entire area, the exception is the areas we typically see more snow like the poconos and the Lehigh Valley this is how it advances this sets up the low pressure moving to the south and this brings in the additional moisture as the High Pressure pulls down the arctic air this means a changeover to snow and it will happen to the north to the south the Lehigh Valley a change over to rain and sleet and then sn

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