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Wednesday’s Weather: Update: Lake Effect Snow Warning Till 9:00 p.m.

From the National Weather Service:

LATEST NEWS, 3:30 PM:

Lake snows will impact areas east and southeast of Lake Ontario through the first half of tonight.

Cold westerly winds will continue to allow lake effect snow to become better organized over Lake Ontario extending into Oswego County through late this afternoon. A trough of low pressure will drop south across the lake this evening and shift the winds more to the northwest. This will pick up the band of lake effect snow and push the entire band onshore from Orleans County across the Rochester area all the way east to Oswego County.

As the band moves onshore…it will likely be accompanied by a burst of heavy snowfall this evening. Overnight the band is expected to push farther inland and weaken.

A lake effect snow warning remains in effect until 9 pm Wednesday evening.

Lake effect snow will continue to produce difficult travel conditions through this evening. A band of heavy lake effect snow over central Oswego County will continue to settle south into the southern portion of the county through this evening.

The band is expected to exit the county by mid evening.

Snowfall rates of one to two inches per hour are likely in the most intense portion of this band. Expect total accumulations of 6 to 9 inches in the most persistent lake snows.

Precautionary/preparedness actions… in lake effect snow the weather can vary from locally heavy snow in narrow bands to clear skies just a few miles away. If you will be traveling across the region be prepared for rapid changes in road and visibility conditions. Stay tuned to NOAA weather radio or your favorite source of weather information for the latest updates. Additional details can also be found at www.weather.gov/buffalo.

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FRESH UPDATE, 2:00 PM:

Lake effect snow expected to increase in intensity.

A broad band of lake effect snow over much of Oswego County is expected to focus and intensify over the central portion of the county through 4 pm. Snowfall rates of around 1 inch per hour will increase up to 2 inches per hour in the heaviest portion of the band…which is most likely to set up from Mexico and Parish east to Amboy. Travel conditions will continue to deteriorate across much of Oswego County through the afternoon.

If you are traveling…be prepared for snow covered roads and poor visibility. Travel on Interstate 81 will be difficult from Brewerton to Mannsville.

Late this afternoon and early this evening this intensifying band of lake effect snow is expected to settle south through the county…bringing a burst of heavy snow to areas from Oswego and Fulton southeast to Oneida Lake.

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UPDATED: 10:30 AM:

The National Weather Service in Buffalo has issued a lake effect snow warning, which is in effect until 9 pm this evening. This upgrades the lake effect snow advisory which was previously in effect.

A broad area of lake effect snow will continue over much of Oswego County today.

This band is expected to focus and become more intense late this afternoon before shifting south through the county early this evening.

Snowfall rates of one to two inches an hour are possible in the most intense portion of this band.

Expect total accumulations of 6 to 9 inches in the most persistent snows through this evening.

Precautionary/preparedness actions:  In lake effect snow, the weather can vary from locally heavy snow in narrow bands to clear skies just a few miles away. If you will be traveling across the region be prepared for rapid changes in road and visibility conditions. Stay tuned to NOAA weather radio or your favorite source of weather information for the latest updates. Additional details can also be found at www.weather.gov/buffalo.

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Heavy lake snows to continue for portions of the region. At 930 am, a large area of lake effect snow stretched from Adams to Worth, to Martinsburg on the northern edge, and from Fair Haven to Central Square, to Constantia on the southern edge, encompassing all of Oswego County, and the southern sections of Jefferson and Lewis counties, along with the Tug Hill region.

Some of the cities [and villages] impacted include, Fulton, Redfield, Altmar, Osceola, Mannsville, Pulaski and Highmarket, along with portions of Route 81.

Snowfall rates of 1 to 2 inches per hour can be expected in some areas, along with visibility reduced at times to 1/4 of a mile or less. A rumble of thunder cannot be ruled out for some locations.

Roads will be snow covered and driving in this band will be difficult at best, so use extreme caution if you must travel through this activity. The area is forecast to remain nearly stationary through 11 am.

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7:00 am: Heavy lake snow to continue for portions of the region. At 8 am, a large area of lake effect snow stretched from South Beach to Lorraine, to Highmarket on the northern edge, and from Fair Haven to Fulton, to Constantia on the southern edge, encompassing all of Oswego County, and the southern sections of Jefferson and Lewis counties, along with the Tug Hill region.

Some of the cities impacted include, Fulton, Altmar, Osceola, Mannsville and Pulaski, along with portions of Route 81.

Snowfall rates of 1 to 2 inches per hour can be expected in some areas, along with visibility reduced at times to 1/4 of a mile or less. A rumble of thunder cannot be ruled out for some locations. Roads will be snow covered and driving in this band will be difficult at best, so use extreme caution if you must travel through this activity.

The area is forecast to remain nearly stationary through 9 am.