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Lake-effect snow forecast shows up to 5 inches for metro Buffalo

As much as another 5 inches of new lake-effect snow is possible again today, National Weather Service forecasters predict.

The weather service posted a winter weather advisory for northern Erie County and Genesee County through 7 p.m. tonight.

Weather service forecasters said the affected areas will experience slippery road conditions and reduced visibility.

"Lake-effect snow will fall in relatively narrow bands," the weather service said. "If traveling, be prepared for rapidly changing road conditions and visibilities."

The conditions will be similar to what metro Buffalo experienced Wednesday.

Buffalo vaults to #4 on snowiest US cities; more lake-effect snow expected today

Forecasters at the weather service predicted today's lake-effect snow, even though computer weather models did not.

Although Lake Erie is 91 percent frozen, forecasters said an unusual alignment of factors should allow for the development of light to moderate lake-effect snow Thursday. Those factors include the requisite southwest wind at the surface passing over Lake Erie; a patch of open water between Chautauqua County and Long Point, Ont., that should help to provide moisture to the atmosphere; and the layer where snowflakes are made — between the surface and about a mile or so up — should be thick enough for them to develop.

Forecasts show that snow showers will be mostly likely in metro Buffalo with blowing snow generated by breezy southwest winds gusting over 30 mph. With the wind, it will feel like it's in the single digits.

There's a 70 percent chance for snow showers overnight, the weather service forecast said. New accumulation of less than an inch is possible in Buffalo.

Overnight, the temperature will hover in the low 20s.

Moderation in the weather is scheduled to arrive Friday with highs back above freezing for the first time in a week. It will get into the mid-30s, but southwest winds could be gusty again.

The weekend forecast still looks to be at least 10 degrees above normal with daytime highs in the 40s Saturday and Sunday and close to 50 degrees by Monday with increasing chances for rain showers, the weather service said.

How did we get lake-effect snow from a mostly frozen lake?

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