PA

Over the last 24 hours since our first call, guidance has trended more aggressive in terms of snow amounts for much of state Monday Night into Tuesday. The closer we get to impact, the more confidence we are having that this will go down as one of the largest March snowstorms in recorded history. We will take a look at the NAM model to breakdown the timing. Snow will begin to overspread the area from south to north between 9 PM Monday through midnight Tuesday, below is the NAM valid 11 PM Monday night:  By 2 AM Tuesday Morning much…MORE...
We are now under 60 hours away from a major winter storm that will impact the area Monday Night into Tuesday. This storm will likely go down as one of the top March snowstorms on record across the Northeast. There is no doubt that the storm is coming, at this point we are just trying to narrow down the track and as of this evening, there is quite a bit of spread. For our first call snow map, we generally took a blend of all the guidance we look at, not favoring one over the other, instead took a middle…MORE...
OUR FIRST CALL SNOWFALL FORECAST HAS BEEN RELEASED >>> CLICK HERE TO VIEW On March 14th, 1993, one of the largest winter storms ever recorded decimated much of the Mid-Atlantic and Northeast. Now, 24 years later, a major storm will likely impact many of the same areas late Monday Night into Tuesday. We are now confident enough to say a storm is likely to hit the area Monday Night into Tuesday. At this point, it simply comes down to the track this storm will take. An area of low pressure will be dropping out of the Midwest and dig just…MORE...
We hope everyone is enjoying this beautiful Thursday afternoon because the weather is about to change…fast. From temperatures in the 50s and 60s, to accumulating snow within a 12 hour period is pretty impressive and that is exactly what we are anticipating going into the overnight hours. Because surface temperatures are so warm, especially for our southern counties, precipitation may start off as some rain showers, before transitioning to snow. Below is the GFS showing a push of rain and snow into the area by 10 PM tonight:  After midnight, most areas will be experiencing some steady wet snow, with…MORE...
We are tracking a weak area of low pressure that will develop to our west and take a path just south of our state, putting most, if not all areas, on the cold side of the storm. This will lead to a light to moderate snowfall for many during the Thursday Night and Friday Morning time period. Snow will develop across much of PA by Midnight Friday Morning. We will have to keep a close eye on southern pa’s temperatures, as warmer temperatures may allow for rain to mix in with the snowfall, or may prohibit snow from accumulating. Below…MORE...
While many of us are enjoying the abnormally warm weather for this time of year, we are tracking a potent cold front that will be pushing across the state during the day Tomorrow. It currently stands that Central and Eastern PA will have a more likely chance of experiencing these strong to severe storms Tomorrow due to it occurring later in the day. Western PA will be first to be hit by the cold front, anywhere between 5 AM and 8 AM, this will lead to downpours and possibly a rumble of thunder. Because it is occurring early in the morning…MORE...
A significant snowstorm is less than 12 hours away from impacting the area. Temperatures across the state are currently in the 30s and 40s for the northwest half of the state and 40s and 50s for the southeast half of the state. Temperatures will continue to drop throughout the evening hours as a cold front passes through the state setting the stage for a significant snowstorm. Latest trends have been suggesting heavier precip and a bit farther northwest, which could lead to a warmer start for far southern pa and the result of that would be a longer period of…MORE...
We are now under 30 hours away from a significant winter storm impacting regions of the state that have so far had little snowfall. Winter Storm watches are currently being hoisted across eastern pa and just about all of south-central pa. This will be our largest winter storm of the season so far, given how many of us will be impacted by a significant amount of snow. The trend over the last 24 hours with guidance has leaned pretty similar to our #1 scenario last night. However, guidance has trended wetter (snowier) and also a stronger system in general. For…MORE...
We are now within 12-24 hours before the region feels the impacts from Tomorrow’s Nor’easter. Winter Storm Watches have been issued for Northcentral and Northeastern PA with Wind Advisories in Southeast PA. Guidance has trended colder since our first call last night. This puts many more locations under the gun for a changeover to sleet and/or wet snow later in the day Monday as the Nor’easter begins to really crank off the coast. To all those weather enthusiasts out there, sit back and enjoy this storm. The radar will be lit up Tomorrow Afternoon and Evening with just about every…MORE...
While guidance trended less aggressive in terms of the snow side with this powerful nor’easter, there will still be a nice swath of accumulating snowfall from Central PA through Northern PA. We will all begin as rain late Sunday Night/Early Monday Morning, Central PA and Northern PA will begin to change from rain to a mix of sleet/rain to eventually wet snowfall that has the potential to lay down several inches, especially in the highest of elevations. For the rest of us in South-central PA/Southeast PA/East-Central PA, we will be in for a cold soaking and heavy rainfall. Western PA…MORE...
Before we go into the discussion about Saturday’s light snowfall, we are also tracking very mild air that will overspread the state Tomorrow. There is the potential for some areas to reach and/or surpass all-time high temperatures for January 12th. Many locations will reach the middle 50s, with some areas even reaching the lower 60s! Impressive for the middle of January to say the least. GFS model projected high temperatures for Tomorrow: A cold front will then quickly push through the state from the Northwest to the Southeast overnight Thursday and into early Friday Morning. This will lead to more…MORE...
Only slight changes have been made to Tomorrow’s forecast, but overall the general theme remains the same. This will not be a big event. The precipitation that falls Tomorrow will be on the light side and any accumulations of snow and/or ice will be light as well. Timing: Precipitation will begin in Western PA in the mid-morning hours Tomorrow and then around lunchtime for Central and Eastern PA. The precipitation may start off as a brief period of snow, especially farther north in pa, before changing to sleet and freezing rain later in the afternoon. We expect everyone to change…MORE...
We are tracking a system that will produce a light wintry mix for our state on Tuesday. Precipitation will likely start off as snow for the northern two-thirds of the state Tuesday morning, before transitioning to a period of sleet and freezing rain by the afternoon hours. All areas will end in the form of rain by Wednesday morning. Below is the GFS valid Tuesday 7 PM: You can see areas in Western PA have already changed to rain, while Central and Eastern areas are dealing with Snow (blue), Sleet (orange), and Freezing rain (Pink). It is important to know…MORE...
Light snow has officially begun in parts of Western PA this afternoon, and will continue to overspread the state as we progress into the evening hours. Although the snow amounts anticipated will be on the rather light side, timing will be critical. Because it is very cold, the snow that does fall will stick to all surfaces and will quickly add up. Our biggest concern right now is for Southeastern PA where it looks like the snow may linger into the morning rush hour Friday Morning. FINAL CALL FORECAST TONIGHT INTO TOMORROW MORNING Our only big change from our first…MORE...
An area of low pressure tracking just to our south will try to strengthen as it heads off the coast Thursday Night. This puts the entire state on the cold side of the storm, leading to our first true all-snow event, especially for Southern PA. Although the snow amounts anticipated will be on the rather light side, timing will be critical. We are expecting the snow to begin in the mid-afternoon hours out West and by the evening hours in Eastern PA. Because it will be very cold, the snow that does fall will stick to all surfaces and will quickly…MORE...

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