Geography - Hazards - Storm Hazards Flashcards
tropical storms
a very intense low pressure weather system
usually form above tropical oceans and have extreme rain and winds
how do tropical storms form
form over water that is 26.5 degC or warmer
energy is released when air evaporates, rises or cools
this increases the energy and speed of the storm
the strength falls as it moves further away from warm water
features of a tropical storm
- circular shape
- hundreds of kilometers wide
- usually last 1-2 weeks
- spin direction depends on the hemisphere
(north = anticlockwise, south = clockwise)
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3 regions of a tropical storm
- eye
- eyewall
- the edges
effects of climate change on storms
- distribution
- frequency
- intensity
primary effects of tropical storms
- damage to infrastructure
- flooding to coastal towns and rivers
- flights and transport cancelled due to high winds
secondary effects of tropical storms
SOCIAL
- no clean water, electricity and services
- flooding may spread water-borne diseases
- roads may be blocked by trees
- people have to change lives to be able to carry them out normally
secondary effects of tropical storms
ECONOMIC
- business will be destroyed
- office buildings, factories and farmland
- lots of money to rebuild
secondary effects of tropical storms
ENVIRONMENTAL/ PHYSICAL
- vegetation will be destroyed
- buildings destroyed
- animal habitats destroyed
landslides
- may occur during or after the storm
- can be triggered by the storm
relief stage of a tropical storm
- the park model
- search, rescue, care as relief is provided in the first few hours and days following
the park model
shows how a hazard event will cause a rapid decline in the quality of life and economic activity in an area
rehabilitation stage of a tropical storm
- temporary housing built
- services provided in the days and weeks following
- quality of life will start to improve during this time as people move into a time of recovery
reconstruction stage of a tropical storm
- rebuilding and reconstruction
- infrastructure and building s are rebuilt and crops regrown
risk management
- hazard management plans
- prediction from satellites
- adaption and mitigation