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