Philadelphia weather: Warnings, advisories issued ahead of Sunday snowstorm

The Delaware Valley will see inches of plowable snow, while down the shore there will be less snow. North and west of Philly will see more snow.

It will be snowing for the whole Eagles game and for a few hours after the game.

Additionally, the National Weather Service has issued Winter Storm Warnings for Berks, Chester, Lehigh, western Montgomery and upper Bucks counties as 6–8 inches of snow is expected for those locales. A Winter Storm Warning has also been issued for portions of Northampton County and northern New Jersey, where forecasters believe those areas could see 8-12 inches of snow.

What we know:

Snowfall amounts down and near the shore will be less and higher snowfall amounts in Pennsylvania.

Snow arrives late in the morning. It moves into Delaware first and then heads northeast. Bucks County, Mercer County, and the Lehigh Valley get the snow by lunchtime.

What we don't know:

Heavy bands of snow will set up over some communities during the storm. This will bring over 5 inches to some spots. Until this shows up on radar during the storm, it's hard to forecast who gets these intense bands of heavy snow. The weather models suggest this will happen somewhere in the Pennsylvania suburbs, Berks County, and Lehigh Valley area.

Timeline:

While tailgating for the Eagles starts without snow, flurries start around 11 a.m. After an hour, the snowflakes will get larger and light snow will be falling over the Linc at lunchtime. The snow will start collecting an hour or two before the game starts. It will snow for the whole game.

The snow really picks up in intensity around halftime, and heavy snow will continue for the second half of the game. There will be whiteout conditions at the Linc. Between low visibility from the heavy snow and the wind blowing the snow, it'll be hard to see the field.

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There will be snow for the Eagles game and it will arrive by the end of tailgating. It will still be snowing after the game and we will see accumulating snow.

We might just see a Snow Bowl II, after all.

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Heavy snow continues after the game. The snow will come to an end a few hours after the game, first in Delaware and South Jersey, around 8 p.m. It's out of the whole region by 10 p.m.

Parts of South Jersey will see a few hours of rain at the start of the snowstorm. Some of the shore spots, like Cape May, only get snow at the tail end of the storm after sunset.

By the numbers:

Overall, most spots in southeastern Pennsylvania, New Castle, Delaware, and the N.J. suburbs near Philly, like Salem County, Gloucester County, Camden County and Burlington County will see 2-5 inches of snow. Closer to the shore, a coating to 2 inches should be expected. Most beaches will see mainly rain until after sunset.

Winter Storm Advisories have been issued for portions of Burlington, Camden, Gloucester, Salem and Mercer counties in New Jersey, New Castle County in Delaware, and lower Bucks, Delaware, eastern Montgomery and Philadelphia counties.

What's next:

Once the snow moves offshore, temperatures will plummet for the week, with overnight lows in the single digits and highs only reaching the teens or low 20s.

Conditions should then begin to moderate by next weekend.

What you can do:

Stay up to date on the latest snow forecast by downloading the FOX LOCAL app

The backstory:

A cold front is crossing over the region Saturday. This front has served as a focal point for the showers. This front stalls out over South Jersey near the shore and opens the door for warmer air at the shore to bring mainly rain. This is why parts of South Jersey start with rain. Pennsylvania and New Castle County, Delaware will be behind the cold front and have the cold air, so it's all snow there. The more north and west of Philly you are, the more snow you get.

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