Module 12 (Hurricanes)

What is a Hurricane? Why do they form?

an intense low pressure system that forms from winds exceeding 74 mphs

What is the difference between hurricanes, cyclones and typhoons?

hurricanes: atlantc/north american

typhoon: western pacific

Cyclone: indian ocean

What are the 3 stages of Hurricane Formation?

Tropical depression: weake area of low pressure of less than 39 mph,

Tropical storm: 39-73mph stronger area of low pressure

Hurricane: 74 lus extremely low pressure with high winds

What are the perfect conditions needed to form a Hurricane?

warm ocean, humidity

What is the scale used to classify Hurricanes according to wind speed?

Saffir-Simpson Hurricane Wind Scale

What are the 4 necessary components that make a Hurricane?

Sea surface temperature 80F

Depth of warm ocean layer 200ft more

No wind shear

5 degrees N S because of the coriolis force is 0 at equator

1. How do Hurricanes get their names?

NOAA national hurricane center gives the names

What is the damage caused by Hurricanes?

Wind damage, flooding, storm surges, and tornadoes

Which factor causes the most damage during a Hurricane?

high temp differences between warm surface and cold air

What are the 2 factors that lead to storm surges?

high water levels, high winds