1 PM Update
An intense snow squall along a cold front has shown up on radar over Lake Ontario and is quickly dropping southeast, as expected.
This squall will bring brief heavy snow and hazardous travel conditions as it moves through the Finger Lakes during the mid-afternoon hours today.
The squall is moving at about 35 mph, which will bring it roughly into the Thruway corridor around 2 PM, through the center of the Finger Lakes around 3 PM, and into the Southern Tier around 4 PM.
There will probably be some slight weakening of the squall as it heads south, but all areas should be on the lookout for sudden intense winter weather.
Near zero visibilities will be caused by the heavy snowfall rates, large snowflake size, and wind gusts as high as 40 mph. Roads will quickly become snow-covered and slick. This will be similar to the squall that moved through last Saturday, February 19th.
Since the squall is only 10-20 miles thick, it should last around or less than 30 minutes. In that time, an inch or more of accumulation may be possible.
If you find yourself on the roads when the squall hits, pulling over into a parking area and waiting the short time for the squall to pass is advised. Snow Squall Warnings may be issued, which will give motorists an extra heads up that the squall is approaching.
Additional snow showers are likely tonight, as are blustery northwest winds that will cause areas of blowing and drifting snow. By Monday morning, conditions should be greatly improved with light winds, little in the way of snow showers, and increasing sunshine.
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