NBC 10 Philadelphia | Ice in the veins? Winter weather causes blood donation emergency The Star-Ledger Ice and snow have been plaguing South Jersey this winter, and as winter weather affects businesses and schools, an unforeseen consequence has also emerged — a shortage at area blood banks. The American Red Cross' South Jersey Chapter holds an ... Wintry weather causing blood donation shortages Yala Red Cross unit begins blood donation efforts Winter weather drains Red Cross blood supply |