Major Wintry Mess Coming Monday & Tuesday

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AN UPDATE ON THIS STORM HAS BEEN POSTED >>> https://paweatheraction.com/first-call-with-amounts-significant-wintry-mix-to-pose-travel-headaches

        A major winter storm with a variety of different precipitation types will move through the area Monday into Tuesday. Although there will be a significant contrast regarding impacts across the state, we believe the entire region will start out with snow Monday Afternoon and Early Evening. Heading into Late Evening Monday and into Tuesday things will get interesting.

        Many people are stuck wondering how it can be in the negatives one morning and raining 36 hours later. This is because our high pressure that is responsible for the cold air will be exiting the region, opening the door for warmer air. Furthermore, because the low pressure will track somewhat inland, warm southerly winds to the east of the center will warm up areas such as Philadelphia.

        Continuing on, there is still some uncertainty regarding the exact track of this storm, meaning there is still room for changes in the forecast. This forecast will not be an easy one due to a flat out mess, but here is our storm setup map with the key below it.

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AREA  A – A quick period of snow is possible Monday Afternoon before changing over to all rain, light to no impacts.

AREA  B – A period of snow is possible Monday Afternoon/Evening before light freezing rain late evening through about midnight. Light snow accumulations possible along with light freezing rain/ice accretion. By Early Tuesday Morning precipitation type will be primarily plain rain. Light impacts are expected, however Monday Evening could be slick.

AREA  C – A several hour long period of snow is likely Monday Afternoon into Evening before changing over to freezing rain Late Monday Night. Freezing rain will last through around dawn before temperatures warm above freezing changing everything over to rain. Moderate snow accumulation is possible along with moderate freezing rain/ice accretion. Moderate impacts are expected Monday Evening through the night into Tuesday Morning. Light impacts will still be felt the entire day Tuesday as scattered power outages will be possible along with slushy roads.

AREA  D – A long period of moderate to heavy snow will be likely Late Monday Afternoon, through the evening and into Early Tuesday Morning. A changeover to freezing rain is likely a few hours before dawn, which will last into Mid-Tuesday Morning. Precipitation type could then flip to all rain by noon Tuesday although there is the potential this area does not change to rain. Heavy snow accumulation is possible along with light to moderate freezing rain/ice accretion. Moderate impacts expected Monday Evening before major impacts Monday Night into Tuesday. Snow packed roads will be likely along with scattered power outages.

AREA  E – This area has a medium to high probability of staying all snow for the duration of this storm, with some freezing rain possible around noon Tuesday. Moderate impacts likely Monday Evening before major impacts Tuesday Morning lasting through the evening. Even after that many roads will be snow packed and this will be a heavy wet snow. Power outages will be possible.

AREA  F – All snow is expected from this storm, likely starting Monday Evening lasting through Tuesday Afternoon. Moderate impacts likely Monday Evening through Tuesday Evening. Moderate snowfall accumulations possible.

        Once again, there is still some uncertainty with the exact storm track of this system which will dictate what areas of the region see what impacts. Stay tuned as we will have a better idea of snowfall accumulation and ice accretion with this storm in our first call Saturday Evening.

         Be sure to check our Facebook Page for many more updates on this major winter storm >>> Pennsylvania Weather Action Facebook Page! Stay safe!

Hello, my name is Josh Adams. This year I am a junior in high school in South Central PA. I have had a passion for weather since I was five or six years old, watching the Weather Channel when the average kid my age was watching cartoons. At age 11, I discovered that there is a significant amount of weather info online from knowledgeable meteorologists to weather models and everything in between. I had the privilege to take part in a group that held informational weather discussions nearly everyday. I gained a significant amount of knowledge in several months back in 2012, constantly studying meteorology for hours each and just about every day. I created Northeast Weather Action in early 2013, just after the previous winter had ended. Things were pretty slow to start, however the winter of 2013-2014 greatly helped grow the page. Several of my forecasts verified nicely across the area. I met Chris during that winter in a facebook group, and we talked often about anticipated weather events. Just before the start of the 2014-2015 Winter, I added Chris to Northeast Weather Action (now Pennsylvania Weather Action), and once again we hit several key forecasts. Chris and I are looking forward to giving you the most up to date and reliable forecasts!

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