Geography - Y11 - Processes

Stage 1 of Hurricane Formation

Heating

Stage 2 of Hurricane Formation

Evaporation + Condensation

Stage 3 of Hurricane Formation

Coriolis effect

Stage 4 of Hurricane Formation

Eyewall

Stage 5 of Hurricane Formation

Jet stream

Stage 6 of Hurricane Formation

Landfall + Dissipation

Water temperature of formation of HK

31 - 32 degrees

Beginning of formation of HK

Bahamas

What is formed in stage 2

Low pressure zone and cumulonimbus clouds

Which way does the Northern Hemisphere Hurricane’s spin

Anti Clockwise

Which way does the Southern Hemisphere Hurricane’s spin

Clockwise

Where is Hurricane Katrina located; hence spinning direction

Northern hemisphere; anti clockwise

Cycle where cool air falls and heat rises

Convection cycle

What does the jet stream determine

Direction

Which way was hurricane Katrina headed

North-westward

Eyewall contains

Highspeed winds

Eye contains

Calmness

Fully Formed HK made landfall in

New Orleans

How fast were the windspeeds in the initial landfall

70 - 80 mph

How fast were the windspeeds in the final landfall

120 - 125 mph

Wave heights

16.9m high

Where did HK dissipate

Clarksville, Tennessee