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Colorado Cyclone and Blizzard (1)
Fig
q For blizzard conditions to develop within Colorado cyclones, bitter cold air and associated high pressure must already be in place over the Canadian plains at the time a cyclone is developing.
qThis cold airmass is behind an arctic front approaching Canada.
qAs the cyclone moves eastward, the arctic cold air moves southward and approaches the cyclone center.
Surface Map
300mb Map