Summary
Summary Tropical Cyclones IEB 2024 Notes
- Course
- Geography
- Institution
- 12th Grade
in depth summary of the tropical cyclone section for ieb 2024 geography students.
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TROPICALCYCLONES
MATRIC IEB
GEOGRAPHY
, Tropical cyclones
factors relating to tropical cyclones
location
tropical oceans- 5-30*C N/S of the equator
occurrence
westwards
affect east coast
dont travel straight as they are deflected due
to coriolos efect to cooler latitudes
Names
Atlantic- hurricanes
North Pacific - typhoons
Indian - tropical cyclones
season
late summer, early autum , so ocean is warm enough due
to prolonged heating
movement of the entire system
east to west -> carried from tropical easterlies
curve eastward (coriolis)
circulation of air within the cyclone
fierce fast winds around a central LP
in southern hemisphere air rises clockwise
energy source
latent heat of condensation - energy given off
when water vapour changes into water
requirements for the formation of TC
atmospheric wide area of
are of warm winds must be undisturbed
instability low pressure
developement extensive light and period of
must exist with closed
between 5*-30* ocean of 27*C variable several days
(rising air) isobars
heat needed for strong winds
corollas needed to convection (rising disrupt air required for rising for cloud
deflects winds in LP hot air) circulation air so there is formation and allows air to
centre and 5*-30* has high humidity = wind shear condensation and formation of circulate
warm oceans increased latent prevents formation latent heat vortex
heat of vortex
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