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Season's first measurable snow expected in Pittsburgh this weekend

Brian C. Rittmeyer
| Thursday, Dec. 7, 2017, 9:09 a.m.
A tree is seen through fog and snow along School House Lane in Donegal Township, as an early April snow blankets the Laurel Highlands, on Friday, April 07, 2017.
Dan Speicher | Tribune-Review
A tree is seen through fog and snow along School House Lane in Donegal Township, as an early April snow blankets the Laurel Highlands, on Friday, April 07, 2017.

The Pittsburgh region could see its first measurable snow of the season this weekend, according to the National Weather Service.

The area usually sees snow by Nov. 11, but there hasn't been any yet at Pittsburgh International Airport.

Since 2000, the latest the first measurable snow has fallen was on Dec. 18, which happened in 2015, and on Dec. 11, in 2004.

It's been cold enough, but there just hasn't been any disturbances coming through at the right time to bring the snow, meteorologist Lee Hendricks said.

"It's interesting that it's waited this long," he said. "I'm not going to complain."

But the weather service says it's not "highly unusual" to wait until early or mid-December for the first tenth-of-an-inch.

For this weekend, there's a 60 percent chance of snow on Saturday, starting in the morning and increasing toward the afternoon. But that should amount to no more than a dusting, Hendricks said.

The better chance for snow will be Saturday night, when Hendricks said up to an inch could accumulate.

"There's not a whole lot of moisture," he said. But, "It would qualify as measurable snow."

The forecast is for scattered snow showers on Sunday, mostly in the morning. Then there's a 50 percent chance for Monday through Tuesday, tapering to snow showers Tuesday night.

It's expected to stay cold through mid-month, and there's the potential for another shot of snow the following weekend, Hendricks said.

But it's too early to predict whether or not Pittsburgh will have a white Christmas.

The first day of winter is Dec. 21.

Brian C. Rittmeyer is a Tribune-Review staff writer. Reach him at 724-226-4701, brittmeyer@tribweb.com or on Twitter @BCRittmeyer.

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