Chapter 19 - Non Frontal Depressions

Question 1

What is stage 1 of a tropical storm

Answer 1

Tropical disturbance - light winds less than 20 knots, weak circulation

Question 2

What is stage 2 of a tropical storm

Answer 2

Tropical depression - wind speed 20-33 knots, low pressure system

Question 3

What is stage 3 of a tropical storm

Answer 3

Tropical storm - 34-63 knots, circular rotation appears, given a name

Question 4

What is stage 4 of a tropical storm

Answer 4

Tropical Revolving Storm - 64+ knots, minimum sea temp 26.5 degrees.

Question 5

What causes the storm to keep going

Answer 5

latent heat

Question 6

What causes the eye?

Answer 6

cold converging air at the top subsides down

Question 7

Which way do Tropical storms always travel?

Answer 7

East to West

Question 8

Why is there no TRS’s at the equator

Answer 8

because it requires the Coriolis effect

Question 9

What are TRS called in japan/ china

Answer 9

Typhoons

Question 10

Easterly waves/ tropical/ african easterly form where? and where does the most activity occur

Answer 10

Africa / Caribbean 5 - 20 degrees N. Most convected activity happens on the backside of the wave with thunderstorms etc

Question 11

How many tropical storms turn into TRS’s

Answer 11

1 in 5