Tropical Revolving Storms

Question 1

Where are they?

Names and %

Answer 1

10-20 lat

Hurricane: USA Jun- Oct 16% west coast 12% east
Typhoon:Japan, China July-Oct 32%
Cyclones: Jun, Oct, Nov India 6%
Jan-March, Africa Madagascar 8%
Jan-March, Australia West coast 6%
Jan-March, Australia East coast 10%
Not in south Atlantic or South Pacific, water too cold

Question 2

Diameter
Diameter of the wall

Wind speed

Answer 2

300km-2000km
Eye: 20km-50km
64kts, in the wall

Question 3

What do you need to have one?

Answer 3

Enough heat, instability
Enough moisture
Lifting action

Sea temperature 26.5C

Question 4

Impact of Coriolis

Formula

Answer 4

2 x Omega x Rho x Wind speed x sin lat

NH-> right
SH -> left

Question 5

Tropical disturbance

Answer 5

Light winds, slight circulation

Question 6

Tropical depression

Answer 6

Low pressure system is formed

20-33kts

Question 7

Tropical storm

Answer 7

34-63kts

Question 8

Tropical revolving storm sign

Answer 8

Severe turbulence, severe icing, huge sea swells

CB at 1000ft, poor visibility

Question 9

Number of storms

North Australia,
North East Australia 
West Australia,
North India, 
North Atlantic,
Madagascar
N.E Pacific 
South China

Answer 9

2
9
7
5-6
<10
10-11
16-17
20-25

Question 10

Easterly waves

Answer 10

West coast of Africa
Trailing edge,most sever convective activity
Squall line
April November