Blizzard (9)
'blizzard' is the definition.
(I know that blizzard can be written as snowstorm)
This is all the clue.
(Other definitions for snowstorm that I've seen before include "Winter squall" , "Blizzard" , "that could cause drifts" , "Bad winter weather" .)
'blizzard' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for storm that I've seen before include "Violent outburst" , "Violent weather condition" , "Assault (with troops)" , "Bad weather" , "Atmospheric disturbance, assault (stronghold)," .)