The blood supply in the Pacific Northwest is critically low, and Bloodworks Northwest is urging everyone to donate if they can. Bloodworks issued a Code Red alert for blood donations, as the Pacific Northwest blood supply isn’t keeping up with demand. “When supply drops faster than donations come in, that’s when we enter what we call a code red situation,” Juan Cotto with Bloodworks Northwest said. A healthy blood system needs a five to seven-day buffer.”Winter storms stall blood donationsWinter storms moving across much of the country are the problem. “We will need several thousand donors over the next week to restore a stable, acceptable blood supply.