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Learn more about hurricanes and tornadoes, the areas of the world they affect, how they are formed and when, and what you can do to survive such an extreme storm.
The classification system for hurricanes is called The Saffir-Simpson Hurricane Wind Scale, and it's a 1 to 5 categorization of the hurricane's intensity at the indicated time.
Each category expresses the intensity in miles per hour. Example: category 1 (74-95 mph).
Type in the other 4 categories.
Type in the two official seasons from the Atlantic and Pacific.
Which are the areas/countries of the world hit most frequently or severely by hurricanes? Choose from the options below or add your own.
Tornadoes are the most violent storms on Earth
Watch the video then type in a short explanation of how the tornadoes are formed.
The classification system for tornadoes is called The Fujita Scale (or F scale), and it's an F0 to F6 categorization of the tornado's intensity.
Each category expresses the intensity in miles per hour.
Example: category F0 (40–72 mph; includes damages to trees, chimneys, and billboards).
Type in the other 5 categories.
