Montero said these are very hard situations for Red Cross volunteers as well as firefighters who respond in extreme weather conditions at all hours of the day and night.
January is National Blood Donor Month and blood collection sites across the nation are asking for both blood and platelet donations. The critical call for donors is being made, in anticipation for more severe weather.
Christine Welch, communications manager for California Blood Services Region, said she did not have totals for the Sonora Red Cross Donation Center, but the Northern California Blood Services Region reported 750 fewer donations in November and December than is needed to meet the region's demands.
Seasonal illnesses and harsh winter weather can often lead to a decline in the number of blood donors who come out to give.
The American Red Cross is continuing to provide aid to countless people impacted by fires this winter. "We're in a critical need".
"Donations have dropped really low at this time".
O-negative blood is considered the universal donor and can be given to any patient in need, while B-negative blood blood can be transfused to B positive and negative donors.
"In fact, 38 percent of people in the United States are actually eligible to donate at any given time, so if you can't donate, you're in the majority, and that's part of the reason why we need so many people to donate", he said.
In general, blood providers such as Marsh Regional Blood Center, the region's largest supplier of blood, try to obtain at least 100 units of blood each day.
The Mississippi Valley Regional Blood Center has seen a dip in donations recently.