blizzaster

Blend of blizzard +‎ disaster.

blizzaster (plural blizzasters)

1. (slang) An usually severe snowstorm or series of snowstorms.
   • 2011, Joseph Erbentraut, "Race for mayor, the gay vote: mayoral mania wrap-up", GoPride.com, 16 February 2011:

     Because of a last-minute double-booking with a rescheduled debate sponsored by the Chicago Defender (who had canceled their previous engagement due to the blizzaster earlier in the month), all of the candidates scrambled in their attempts to make both events, with Emanuel, Braun and del Valle ultimately doing so.

• Snowmageddon, snowpocalypse