Causes of Hurricanes

A hurricane usually travels in the direction of (a)   .

• East to West
• West to East
• North to South
• South to North

What causes the hurricane to spin anticlockwise?

• The spin of the earth

• The warm sea

• The rising air

• The thick clouds

One of the main requirements for a hurricane to form is (a)   .

• The sea needs to be over 27◦C
• The warm sea makes the air above ri
• The rising air is low pressure so i
• A concentration of thunder storms w

At what temperature does the sea surface need to be for a hurricane to potentially develop?

• At least 26.5 degrees Celsius

• At least 22 degrees Celsius

• At least 30 degrees Celsius

• At least 28 degrees Celsius

The Coriolis effect influences hurricane formation by causing the storm to (a)   .

• dissipate
• have no effect on hurricanes
• spin
• increase the storm's speed

What is the typical movement pattern of hurricanes in the Northern Hemisphere?

• From south to north

• From north to south

• From west to east

• From east to west

What atmospheric condition is not conducive for the formation of hurricanes?

• High sea surface temperatures

• Low air pressure

• High air pressure

• Presence of the Coriolis effect

Which factor does not affect the path of a hurricane?

• Sea surface temperature

• Earth's rotation

• Global wind patterns

• Continental topography

At what stage is a tropical storm classified as a hurricane?

• When wind speeds reach 74 mph

• When it forms a closed circulation

• When it reaches a sea surface temperature of 26.5 degrees Celsius

• When it produces significant rainfall