5.7 - Tropical storm hazards Flashcards

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1
Q

The ………. …………. is the scale for hurricanes

A

Saffir-Simpson

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2
Q

Describe the Saffir-Simpson scale

A
Tropical depression
Tropical storm
1  Minimal
2  Moderate
3  extensive
4  extreme
5  catastrophic
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3
Q

How do storms get their energy? (3)

A

Evaporating water absorbs latent energy
Air sucked up quickly and condenses to release energy
Energy given to storm

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4
Q

Name two case studies for storms

A

USA Superstorm Sandy (HIC)

Philippines Typhoon Haiyan (LIC)

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5
Q

Describe the formation of Superstorm Sandy

A

1100 miles in diameter
Originated in Caribbean Sea
Area of high pressure to the North so couldn’t travel East and they merged

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6
Q

Superstorm Sandy political impacts

A

NY stock exchange closed
1 week before US election
Prevent development in Haiti and Cuba

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7
Q

Superstorm Sandy economic impacts

A

$70.2b in damage

Bahamas - no tourism

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8
Q

Superstorm Sandy social impacts

A

8.5 million had no power
650,000 homes destroyed
286 deaths
Makeshift towns in Haiti washed away

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9
Q

Superstorm Sandy environmental impacts

A

Mudslides
70% of crops in Haiti destroyed
10m of beach lost in New Jersey

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10
Q

Superstorm Sandy additional information

A

Category 1-3
185km/h winds
Bahamas, USA, Cuba, Dominica

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11
Q

Typhoon Haiyan formation

A

Formed near Fed. states of Micronesia

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12
Q

Typhoon Haiyan environmental impacts

A

71,000 hectare of farmland destroyed
Trees uprooted (no CO2 absorbed)
7m storm surge

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13
Q

Typhoon Haiyan social impacts

Name any 3

A
6300 deaths
1.9 million homeless
6 million displaced so population doubled in some areas
Disease
Looting
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14
Q

Typhoon Haiyan economic impacts

Name any 3

A

$5.8b in damage
6 million jobs lost
30,000 fishing boats destroyed
Destroy agriculture (saturated soil)

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15
Q

Typhoon Haiyan political impacts

A

Government 2500 -> 70 people (dead, grief)
Under pressure to provide food, medicine ect
Damage infrastructure

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16
Q

Typhoon Haiyan additional info
Windspeed
Category
Area

A

315km/h winds
Philippines
Category 5
South China Sea

17
Q

What areas are mainly impacted by storms?

A
Coastal
Urban
Eye wall
Lower latitudes
LIC
18
Q

Name and describe 2 types of flooding

A

Marine - sea water

Fluvial - fresh water

19
Q

What is an anemometer

A

Measures wind speed

20
Q

3 ways to plan for storms

A

Develop wetland areas around coast to absorb storm surge
Insurance
Afforest steep slopes to prevent MM

21
Q

2 ways to prevent storms

A

Cloud seeding

Coastal defence - sea wall

22
Q

2 ways to prevent storms

A

Cloud seeding

Coastal defence - sea wall

23
Q

3 ways to prepare for storms

A

Emergency drills
Emergency services
Storm shelters