NEW YORK (CBSNewYork) – After the snow storm cancelled most blood drives in the Tri-State area, authorities are issuing an urgent call for donations.

The area’s blood supply is typically low this time of year and the storm has made matters worse, Harvey Schaffler with the New York Blood Center told WCBS 880’s Marla Diamond.

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PHOTOS: Blizzard 2015

“It’s the largest loss of blood drives and related blood donations since Sandy. Basically, people are home and dealing with the effects of the storm and blood donation is not yet back on the mind,” he said.

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The storm cancelled an estimated 3,0000 scheduled donations in the area. People are now being urged to visit the blood center’s website to find out where they can donate.

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Long Island was hit the hardest by the storm with the highest accumulation of 28.5 inches reported in Orient, N.Y.