ETYM as. storm.
A violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightening; SYN. violent storm.

1. A violent commotion or disturbance; SYN. tempest.
2. A direct and violent assault on a stronghold.

On a network, a sudden, excessive burst of traffic. Storms are often responsible for network outages.

ETYM Cf. as. styrman.
1. To rain, hail, or snow hard and be very windy, often with thunder or lightning.
2. To blow hard.
3. To attack by storm; attack suddenly; SYN. surprise.
4. To take by force; SYN. force.