The EF Scale
Safety tips
Types of Tornadoes
100

What does the EF scale measure?

the strength and damage caused by tornadoes

100

What is the best place to take shelter during a tornado?

Basement or interior room without windows

100

Which type of tornado is the weakest?

A landspout

200

What is the highest category on the EF scale?

The EF5

200

Should you stay in a mobile home during a tornado?

No, mobile homes are easily overturned by strong winds.

200

What is a waterspout?

A tornado that forms over water.

300

A tornado with wind speeds of 110 mph would be rated at which EF level?

EF1

300

What should you do if you're outside and can't find shelter during a tornado?

You should lay flat in a low-lying area and cover your head

300

What makes supercell tornadoes different from other types?

their formation from powerful rotating thunderstorms (supercells)

400

What is the difference between EF3 and EF4 tornadoes?

EF4 tornadoes cause more severe damage then EF3 tornadoes. 

400

Why is it important to stay informed during a tornado warning?

to ensure timely evacuation and safety actions based on updates

400

What do multiple vortex tornadoes contain?

two or more smaller rotating vortices inside the main tornado

500

Why is the EF scale important for understanding tornado impact?

It helps determine the severity of damage and guides recovery efforts.

500

What should you have in your tornado emergency kit?

essentials like water, non-perishable food, flashlights, and first-aid supplies.

500

How do gustnadoes form?

small, short-lived whirlwinds that form along a gust front.