Climate

Tropical cyclones are known as ............. in the Pacific Ocean

• Hurricanes

• Tornadoes

• Typhoons

• Temperate cyclones

Which of the following is not true in terms of Tropical Cyclone formation

• Must form on the equator

• Require a warm ocean surface over 27 degrees Celsius

• Require a low pressure

• Require upper air divergence

Hurricane Katrina was the .......

• 13th most severe Hurricane to strike the US coastline

• 13th Hurricane of the 2005 season

• 1st and most severe Hurricane of the 2005 season

• 12th Hurricane of the 2005 season

Cyclones in both hemisphere move from.....

• East to west

• North to south

• West to east

• Cyclones are unpredictable and move in any direct

In the Southern hemispheres cyclones always rotate in a ....

• clockwise direction

• in toward the high pressure

• anticlockwise direction

• outwards toward the low pressure

The wall of cloud surrounding the eye of the cyclone is know as the .......

• funnel

• vortex

• epicentre

• outer cell

Cyclones cause damage through.....

• strong winds, heavy rain and intense heat

• strong winds, heavy rain and storm surge

• heavy rain, intense heat and storm surge

• heavy rain, storm surge and tornadoes

Which of the following is not a possible way reducing the impact of Hurricanes

• Evacuation of coastal areas

• Early warning systems

• Cloud seeding

• Not allowing building in low lying area

Which are the following is not true of Mid-latitude cyclones

• are also known as Temperate cyclones

• move east to west

• have a warm and cold front

• influence SA weather mainly in winter

Winds around a MLC in the Southern hemisphere rotate in a

• clockwise direction

• west to east and outward

• anti-clockwise direction

• Both B and C