Winter Weather

A potent storm system will be making large impacts to our weather starting tomorrow and lasting through Friday. Heavy rain is expected tomorrow, especially for the eastern half of the state. As the storm system passes to our north, winds will change to a cold northwest flow, this will allow for any rain showers to change to snow showers for areas in western pa on Friday and even accumulating snow for some areas. First, tomorrow is an all day rain event for just about all of us. There will likely be breaks in the rainfall, but it will be off…MORE...
We are now just several hours away from a crippling blizzard that will bury places with a widespread 1 to even 2 feet of snow. We cannot stress enough that you do not want to be driving in this storm at any point Tomorrow. Here are the latest watches and warnings from the NWS. Blizzard Warnings are up across much of Eastern PA. The snow will start 10 PM to 1 AM south to north. Below is the HRRR valid 12 AM tonight showing the first snow bands entering southern pa: The snow quickly begins to intensify and by 3…MORE...
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...
A strong cold front moving through Thursday will be followed by a fast moving wave of snow Friday Morning. Snow will move into Southwestern and West Central PA by around 12 AM Friday. Here is the NAM Model Radar Forecast for 1 AM Friday. At this point, snow will be accumulating mainly on grassy surfaces. However as the night goes on and ground surfaces continue to cool, slushy snow will likely begin to accumulate on the roads mainly in areas receiving moderate snow rates. Below is the NAM Model Radar Forecast for 7 AM Friday. Snow is expected to end…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...
As a forecaster, snow squalls are one of the most dangerous weather phenomenons we have to forecast. You can go from a perfectly calm day, to blizzard conditions within a couple minutes, putting motorists at extreme risk. Today, unfortunately there has been many reports of accidents across the state. One of the hardest hit areas was the State College area.  Below is an eye-witness video posted by Garrett Bastardi. Check out his Facebook page here>>>Garrett Bastardi Weather   Another video when winds were gusting close to 50mph with blizzard conditions. -GB Posted by Garrett Bastardi Weather on Friday, March 3,…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...
View our First Call Forecast for this Significant Winter Storm by clicking this link Parts of Southern PA have yet to receive a plow-able snowfall this winter. However, a sneaky system will rapidly develop Wednesday as cold air flows in. We are looking at the potential for several inches of snow Wednesday Night – Thursday Morning especially across Southeast PA. With a system cutting to the west Tuesday, our flow will be coming from the south resulting in temperatures warming well into the 50s and perhaps touching 60 in some spots. Temperatures will play a key role in our forecast for…MORE...
About a week ago we made a post regarding a chilly and potentially snowy February in-store for the Keystone State. Now, being only seven days from the first day of February, our confidence has only grown that February will bring below average temperatures and above average snowfall to PA. Long range models continue to indicate persistent troughing from the Northern Plains to the Mid-Atlantic for atleast the first half of February. Below is the GFS Ensemble Mean. To make things simple, blue means below normal temperatures, orange is above. We also mentioned the MJO, which can influence our pattern. It…MORE...
A strong cold front will move through the area Thursday, reactivating the lake effect snow machine. Snow will begin across Western PA Thursday Night, with the heaviest snow likely Friday. Pittsburgh will see about 2-4″ of snow, with its northern suburbs picking up 4-6″. The Laurel Highlands, especially around Somerset and Johnstown, will benefit from upslope activity, resulting in persistent snowfall. Around 6-8″ of snow is likely across these areas. Here is our complete snowfall forecast map. SNOWFALL EXPECTED THURSDAY – SATURDAY Area A – Snowfall accumulation of 8-12″ expected. Area B – Snowfall accumulation of 6-8″ expected. Area C…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...

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