RIVERHEAD, N.Y. (CBSNewYork) — This weekend’s wicked weather is being blamed for a seven-car crash on Long Island.

Police said the wind whipped up snow and created white-out conditions in Riverhead on Sunday, CBS2 reported.

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Police on the scene of a multi-car crash in Riverhead on Feb. 15, 2015 (Credit: Vera Chinese/Riverhead News-Review)

Police on the scene of a multi-car crash in Riverhead on Feb. 15, 2015 (Credit: Vera Chinese/Riverhead News-Review)

A wind chill advisory is in effect for New York City, northern New Jersey, western Long Island and southern portions of western Connecticut through 9 a.m. Monday. For alerts in other areas, click here.

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Making matters worse, much of the roadways are covered in black ice.

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Citing high winds and hazardous roads, Riverhead police has requested that drivers avoid travel on town, county and state roads within Riverhead Township, as well as Reeves Avenue; Hulse Landing Road (between Route 25A and Sound Avenue ); Sound Avenue (east of Roanoke Avenue and east of Northville Turnpike); Northville Turnpike (northeast of Doctors Path); state Route 25 in Jamesport (east of Herricks Lane); and Peconic Bay Boulevard (east of Tuts Lane).