First Call Forecast For Friday’s Lake Effect Snow

Lake effect snow is likely Friday across Western PA. Area A – Snow accumulation of 8-12″+. Area B – Snow accumulation of 4-8″. Area C – Snow accumulation of 2-4″. Area D – Snow accumulation of 1-2″. Area E – Snow accumulation of less than 1″. Like us on facebook at Pennsylvania Weather Action and remember to share the forecast with your family and friends below!

First Call Snow Totals for Thursday’s Winter Storm

After a rather warm day across PA Today, it is almost hard to believe in a couple days we will be dealing with a Winter Storm impacting us on Thursday. As we mentioned yesterday, we are watching two areas of low pressure systems this week that will lead to our Winter Storm on Thursday. One will be dropping out of Canada in the form of a weak clipper system, while another area of low pressure develops in the south and eventually heads northeast. Where these two systems merge off the coast on Thursday, will determine how much snow we end…

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Light Snow Event Thursday For PA, Nor’Easter for New England

We are watching two areas of low pressure systems this week that will lead to our potential snow event on Thursday. One will be dropping out of Canada in the form of a weak clipper system, while another area of low pressure develops in the south and eventually heads northeast. Where these two systems merge off the coast on Thursday, is what makes the major differences between model guidance and also our snowfall amounts. The quicker and further south these two systems merge, the more likely it is our state gets into a more note-worthy snowfall, especially Northeastern PA. The…

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Christmas Weekend Forecast

We have good news and bad news. The bad news is those who are rooting for a white Christmas this year, will have to wait another year. The good news is, there is no major weather maker in the forecast for the holiday weekend. However, there is a relatively weak system that will impact the state late Friday Night into Saturday Morning. With temperatures marginally cold enough to support snow, we expect there to be rain and snow showers throughout the state during the first half of your Saturday. Areas North of I-80 have the best chance at receiving some…

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FINAL CALL For Significant Snow & Ice Storm Tonight into Saturday

There is now the threat of a widespread ice storm in Central and Western Pennsylvania. While upper levels warm Saturday Morning, moderate precipitation will continue in many areas with surface temperatures well below freezing. Deep valleys will hang on to cold air the longest Saturday, with some areas not reaching the freezing mark until mid-afternoon. Below is the RGEM for 4 AM Saturday Morning. As you can see, while the overwhelming majority of the state is experiencing snow at this point, freezing rain is beginning over Southwestern PA. Here is the same model for 7 AM Saturday. By 7 AM,…

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Second Call Forecast For Friday Night into Saturday’s Significant Winter Storm

We have good news and we have bad news. The good news is, guidance has dropped snow totals somewhat for nearly the entire state. The bad news is, it now looks like there will be more ice involved especially for Central PA. Timing: Snow will overspread the state after 8 PM Friday Evening for Western areas, and then after 11 PM for Central and Eastern areas. As we head into the overnight hours early Saturday Morning, likely after 4 AM for Southwest PA and after 8 AM for areas further to the North and East, a changeover to sleet and…

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First Call on Friday Night into Saturday’s Significant Winter Storm

OUR SECOND CALL FORECAST FOR THIS WINTER STORM HAS BEEN POSTED, CLICK THIS LINK TO VIEW IT. As many of you know by now, we are tracking a widespread significant Winter Storm that will be impacting the area Friday Night into Saturday. Guidance continues to be in a general consensus for the post part about who will receive what and how much. But, because we are still a couple days away from the storm’s arrival, there is always room for some adjustments. Timing: Snow will overspread the state after 7 PM Friday Evening for Western areas, and then after 10…

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Significant Winter Storm Possible Friday Night into Saturday

OUR FIRST CALL FORECAST INCLUDING SNOW AND ICE AMOUNTS HAS BEEN POSTED. CLICK HERE TO SEE OUR FIRST CALL While this pattern has been snowy for some, and not so much for others, it sure has been active. As we watch the current radar showing light to moderate snows overspread much of the Western and Central areas of the state this Evening, we are tracking a potential significant Winter Storm Friday Night into Saturday. This upcoming Winter Storm will once again be a Wintry Mix for the region. However, the major difference this time around is, it will be much…

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Sneaky Snow Tuesday Night, Coldest Air of the Season Arrives Later this Week

Before we go into detail about Tomorrow Night’s sneaky snowfall, we are first going to talk about the extremely cold temperatures later in the week. An arctic blast coming from Canada will be in full force beginning Thursday and lasting through Friday. This does not mean Tomorrow and Wednesday will be warm, it simply means we will feel the brunt of the cold Thursday and Friday. Projected High temperatures per the GFS for Thursday: High temperatures are projected to only reach the low 20s in SEPA, Teens over Central PA and Western PA. Far Northern PA and the highest elevations…

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Final Call Forecast For Winter Storm Now into Monday

Snow is coming down across nearly all of Northern Pennsylvania as well as parts of Eastern PA. By late evening precipitation will move back into Southern Pennsylvania starting as snow for many in the Laurel Highlands to Susquehanna Valley. By midnight snow will begin to move into Eastern PA, while precipitation type in Southcentral PA switches to freezing rain. In addition, Northern Pennsylvania will be seeing light snow. By 3-5 AM, temperatures will begin to warm above freezing in Southern PA and Eastern PA. Light to moderate snow will continue in Northern PA before ending as a short period of…

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Second Call Forecast For Approaching Winter Storm

A Winter Storm will move through the area Sunday into Monday. Here’s what you can expect for timing, accumulations, and road impacts. MAP FORECAST FOR APPROACHING WINTER STORM Area A – Snow will move in from west to east Sunday Evening. It will then continue through Mid-Monday Morning before tapering off from west to east. Snow accumulation of 4-6″ is expected. Roads will be snow packed Monday Morning if not plowed. Area B – Snow will move in from west to east Sunday Evening. Snow will then persist through dawn before changing to rain after sunrise. Only a short period…

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First Call Forecast for Winter Storm Expected Sunday into Monday

Here we are a little under 48 hours away from our next Winter Storm and model guidance is still all over the place across Pennsylvania for who receives what and how much. But, as weather forecasters, this is one of the many challenges we face quite often and we will give you the forecast the way we see it. With that being said, we are confident that overrunning snow showers will overspread the state during the day Sunday which is well represented by latest NAM model valid 7 AM Sunday Morning:  As the day progresses Sunday, it is quite possible…

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Potent Winter Storm Likely Sunday Evening Into Monday, Varying Impacts

With temperatures plunging tonight, wind chills in the teens are likely Friday Morning. Well below average temperatures will continue into the weekend with highs only in the 20s and 30s expected both Saturday and Sunday. At the same time, a low pressure system will develop in the Great Plains, moving east through the weekend. There continues to be some model disagreement. With that said, one solution appears to be emerging. Impacts across the state will undoubted vary. However, much more of the state will get in on the winter weather action. This time, we don’t just a few hours of…

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Significant Lake Effect Snow Likely Thursday – Saturday

As the title indicates, a significant multi-day lake effect snow event is likely in Northwest PA. Snow will begin Thursday, intensifying Friday. By Saturday lake effect banding will begin to diminish. Most persistent lake effect snow bands will likely be in Erie, Crawford and Warren Counties. Snowfall amounts could reach two feet in areas shaded in red on our forecast map below. Locations such as Erie will receive around 7-10″ total, as will Warren. Meadville will see 8-12″ of snow. Sunday will feature precipitation, but there is a great deal of disagreement in the models. There is a good chance…

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Second Call Forecast For Wintry Mix Tuesday Into Wednesday

A light wintry mix pushed through the state Sunday Night, dropping anything from plain rain in Pittsburgh and Philadelphia to sleet across much of the Lower Susquehanna Valley and Lehigh Valley along with up to two inches of snow in higher elevations of the Central and Western PA. Now, our focus shifts to another wintry mix event expected Tuesday Evening through Wednesday Morning. Both the European Model and the American Model had been very consistent in showing very different solutions up until last night. However a consensus throughout the models has developed today. Overall, the GFS (American Model) will take…

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