What caused the snowstorm in Buffalo?

Photos: See the aftermath of massive snowfall in the Buffalo area - OPB

What causes lake-effect snow like Buffalo's extreme storms?

Deadly lake-effect blizzard buries Buffalo in over 4 feet of snow

Buffalo, N.Y., braces for another wallop of lake-effect snow as storms continue

Dangerous lake-effect snowstorm blankets Buffalo, western NY

Lake Storm Aphid - Wikipedia

Winter storm death toll rises to 25 in the Buffalo, New York, area as residents remain trapped under feet of snow, Winter Storm

Snow pummels western New York as metro Buffalo digs out from up to 6 feet of accumulation

Buffalo blizzard rivals historic 1977 snowstorm, officials say

Buffalo Blizzard death toll rises amid emergency response delays

Blizzard of the century': Death toll rises as Buffalo digs out - ABC News

What caused the snowstorm in Buffalo?

What caused the snowstorm in Buffalo?