A snowstorm is a very bad storm with a lot of snow and wind.
Snowstorms can be scary and dangerous, but they can also be fun for playing in the snow.
Examples:
The snowstorm made it hard to see.
We stayed inside during the snowstorm.
The snowstorm covered everything in snow.
The snowstorm was so strong, it blew my hat away!
The snowstorm was so big, it covered the whole town in snow!
During the snowstorm, we built a big snowman.