Light Snow Showers End Late, Potential For Some Lake Effect Mid Week




JAMESTOWN – The region is getting wrapped up the “flow around the low” as the storm system that impacted the area on Sunday has moved off the Northeast coast. Due to the direction of flow, scattered snow showers will continue throughout the afternoon and ending later in the day. We’ll squeeze in a dry dry on Tuesday before snow redevelops again for Wednesday and Thursday. 

The National Weather Service has allowed the Winter Weather Adverse for Chautauqua County to expire at 11 a.m. this morning. They have however, reissued it for Cattaraugus and Allegany Counties until 5 p.m. this evening.



While snow accumulations through the day will be light, there will be more heavier and steady snow the further eastward you go closer the storm center.

As previously mentioned, with the air flow around the Low moving east to west, the snow is also moving east to west with that flow. That’s a bit of a rarity as precipitation normally flows west to east in our region. However when the conditions are right in regards to a costal Low, we can get a reversed flow of moisture, such is the case today.



 

These snow showers will continue in on and off pockets through the afternoon, settling down later in the day. The western-most areas could pick up around an or two of acclamation while areas further eastward could see up to two to four inches. Highs 28 to 34 with healthy west breeze 10 to 20 MPH.

Snow showers will come to an end this evening, leads to mostly cloudy skies overnight. Lows 22 to 29.

The day tomorrow will start partly sunny but clouds will be on the increase through the day, ending as mostly cloudy. Highs 33 to 39.

As colder air returns into the region Tuesday night, that allow for some lake effect snow to setup for Wednesday and Thursday. Current guidance has suggested this band starting out near the Buffalo/metro and sagging its way southward with time. As the band moves north, it will likely be confined mainly to the higher terrain of the Southern Tier, with lighter snow showers on the lower elevations. Some of the lake effect could mix with some area-wide snow later in the day on Wednesday.

As usual with lake effect, totals will vary based on location. As it stands right now, the highest hills could pick up 3 to 6 inches by Thursday night, with 2 inches or so elsewhere around the region. Keep ind mind, these numbers are preliminary and are subject to change as more data becomes available tonight and Tuesday.

The weather quiets down for Friday with only a limited chance for a snow shower with highs in the lower 30’s.

The weekend is looking mainly dry at this point but it will start off chilly. While we are being a bit conservative with the high on Saturday, most of the region will likely stay in the upper 20’s all day. But at least there will a good supply of sun to make it look and feel a little warmer.

A spot rain or snow shower is possible on Sunday otherwise partly sunny with highs in the upper 30’s to lower 40s’s.

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