superblizzard
snowsquall
connixation
snowpocalypse
whiteout
trashmover
snifter
supercyclone
blizzardous
Snowmageddon
freeze
midwinter
storminess
nip
midstorm
blizzardy
purga
snowslide
cold enough to freeze the balls off a brass monkey
Baltic
perishing
crud
frore
brick
chanking
bust ass cold
brass monkeys
hominy snow
dead of winter
tempest
snowswept
cold as a well-digger's arse
superstorm
cold as a witch's kiss
oversnowed
cold as balls
bone-chilling
cold as death
cold as ice
freezing
snow-covered
cold as a witch's tit
brass monkey
supertempest
snowbank
snowy
cold weather
snow-clad
cyclo-
storm-wracked