Snow Squall Details
A cold front will bring a brief but intense burst of snow and wind to the Finger Lakes Sunday during the later morning and midday hours.
Snow will be spread across the region out ahead of the cold front early Sunday morning.
This snow will be on and off but could have some heavier bursts of its own. Accumulations should be an inch or less before the squall moves in.
As the squall moves in, expect a rapid change in weather and road conditions. Snow Squall Warnings may be needed.
Snowfall rates over one-inch per hour will quickly coat roads. Visibilities will drop to near zero as the squall moves in. Thundersnow is not out of the question.
Temperatures will also drop from just above freezing to below freezing as the squall arrives, causing some flash freeze risk as well.
All these factors will make travel difficult to dangerous as the squall moves through. Motorists should monitor the progress of the squall and be prepared to pull into a safe place if caught on the road.
The squall should last for 30-45 minutes before coming to an abrupt end. Temperatures will continue to fall back into the 20s behind the squall.
The squall will impact the following locations at *approximately* these times.
Rochester: 7:30 am
Dansville: 8:00 am
Canandaigua: 8:15 am
Geneva: 8:45 am
Penn Yan: 9:00 am
Bath: 9:00 am
Watkins Glen: 9:45 am
Corning: 9:45 am
Auburn: 9:30 am
Syracuse: 10:00 am
Elmira: 10:00 am
Ithaca: 10:15 am
Cortland: 11:00 am
Owego: 11:45 am
Lake effect flurries off Lake Erie will be possible in the afternoon but should not amount to much. However, wind gusts of 30-40 mph will continue through the afternoon.
Skies clear and winds drop Sunday night, leading to a cold Monday morning. Widespread single digits are likely and some sub-zero temperatures in the typically colder areas will be possible.
Temperatures will warm back into the 20s on Monday as a south wind takes over and the next storm system approaches. More on that Monday morning.
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