Extreme Weather-A Hurricane Is Born
By Katie and Ashley
To lose heat and change from a vapor or gas into a liquid. Moisture, or water vapor, in the air condenses to form rain.
a cluster of thunderstorms near the equator that moves with the prevailing winds.
a storm near the equator with winds moving in a circle at speeds of up to 38 miles per hour.
a storm near the equator with winds moving in a circle at speeds of 39 to 73 miles per hour.
Tropical disturbance and depression
- hurricanes usually form off the coast of Africa where the temperature is at least 80 degrees F in the summer
- As a tropical disturbance grows, more warm moist air rises from the ocean
- this air in the northern hemisphere begins to circle in a counter clockwise direction as a consequence of the Coriolis effect
- most tropical storms die out in time but some storms continue to grow in size and wind speed