blizzard: a severe snowstorm with strong winds
hurricane: a tropical storm characterised by strong winds and heavy rain
hailstones: small balls of ice which fall during a storm
mist: a type of fog, but less dense, and which tends to happen near the beach
drizzle: a type of very light rain.
L’equivalent del refrany en català de “It’s raining cats and dogs” és Ploure a bots i barrals