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Long IslandNassau

Drivers warned: Beware black ice

Visibility nears zero as cars climb a hill

Visibility nears zero as cars climb a hill along Northern Boulevard in Roslyn, Sunday. (Dec. 26, 2010) Credit: Craig Ruttle

Black ice.

Even if you see it, it's often too late.

While all of the major roads and highways in Nassau and Suffolk are clear for the Wednesday morning commute - and the New York State Department of Transportation was reporting no major accidents on Long Island as of 8 a.m. - officials are still warning drivers to be careful and to exercise caution due to icy road conditions.

The National Weather Service issued a special weather statement saying that while temperatures warmed Tuesday and are expected to warm again Wednesday, when highs are expected in the high 30s, the warming weather melted snow that likely refroze overnight. And that figures to make for dangerous conditions all morning.

"Melting snow that occurred yesterday will lead to patchy areas of black ice on untreated roadways and sidewalk with temperatures at or slightly below freezing," the statement read. "Locally, hazardous travel conditions will be possible. Motorists are urged to exercise caution while driving early this morning."

The New York State Department of Transportation website had just two early morning alerts, including an overturned vehicle at about 7:30 a.m. that closed all westbound lanes of the Southern State Parkway at Exit 43, Islip Avenue, for about 25 minutes. No further information on the incident was immediately available.

The other alert was for a disabled vehicle in the HOV lane of the Long Island Expressway, at about 7 a.m. Work crews needed about a half-hour to remove the vehicle, the website said.

The good news is temperatures are expected to hit close to 40 degrees Thursday, hit the mid-40s on New Year's Eve and New Year's Day, the weather service said - with mostly sunny skies.

Showers will be possible overnight from New Year's Day into Sunday, the weather service forecasters said. Those showers could continue into Sunday.