1.4 Tropical Cyclones

Question 1

What is location of tropical cyclones

Answer 1

Mainly on equator and are mainly on atlantic pacific and indian ocean and in between tropic of cancer and capricorn.

Question 2

Features of tropical cyclones

Answer 2

Clouds can reach up to 15km high, winds increase strength at eyewall, develop between mid jan-march in southern hemisphere and dvelop late summer in northern hemisphere, winds rotate outwards, clear sky and no wind in eye, form at 26.5 degrees,move from eats to west

Eye-centre of eye and is about 50k across and is caused by descsending air,very low pressure and no clouds and norain and high temperature
Eyewall-spiralling rising air,very string winds and strom clouds, torrential rain and low temp

Question 3

Formation of tropical cyclones

Answer 3

-strong clusters of thunderstorms drift over warm water at 26.5 degrees
- warm air from storm and ocean surface combine which create huge amounts of energy and begin rising creating lownpressure at surface which creates surface winds
- rising warm causes pressure to decrease at high altitudes and wind make them spin outwards
- air rises faster and faster drawing warm air off sea and cooler drier air downwards
- as storm moves collects more water and wind speed increase
- takes hours to become cyclone of an eye, low pressure surrounded by high winds and storm
-dissipate when they move over land or cooler water because energy supply from warm water is cut off so chnages in windspeed.

Question 4

Impacts on tropical cyclones on people (storm surges,high winds etc)

Answer 4

Storm surges- contaminating farmland
High winds- homelessness and buildings damaged and injuries
Rainfall- damage to property and fast flowing water can cause injuries
Flooding- farming and toruism industries destroyed and causes sewages to overflow which conaminates wtaer so easier diseases to spread as shortsge of clean water
Landslide- home destroyed and death and dmages on roads so difficult for aid to occur

Question 5

Impacts on tropical cyclones on environemnt(strom surges,high winds etc)

Answer 5

Storm surges- erode beaches and coastal habitats,damage coastal dfeneces and flow inland
High winds- treess blown over
Rainfall- flooding
Flooding- damaging salt water and can damage industrial buildings on coast such as oil factories causing harmful chemicals into environment and causes pollution
Landslide- blocked rivers as sediment deposited in lakes and rivers so can kill wildlife