JSS deadly disasters

Climate change

The shifts in temperatures and weather patterns on our planet, increased by human activity leading to more natural disasters

Cyclone

A large air mass that rotates around an area of very low pressure

Human disaster

Disasters occurring as a result of human activity

Impacts

The effects of an extreme natural or cultural event

Natural disasters

Disasters caused by natural and environmental factors

Processes

A sequence of actions that take shape

SPPPICE

Sustainability, perspective, process, patterns, interactions, change, environment

SPENT

Social, political, economic, natural, technological

3 steps of disaster cycle

Process, impacts, responses

Hurricane measurement

Saffir simpson hurricane wind scale

Coriolis effect

Objects in motion deflect off their original path. The apparent deflection of moving objects such as cyclones caused by the Earth’s rotation.

Minimum ocean temperature required for formation of tropical cyclone

+27C

Places vulnerable to cyclones

Developing countries, places that haven’t experienced a lot of cyclones and places with large coastal populations.

Processes

A sequence of actions that shape

Response

The actions taken directly before during and after a disaster to reduce its impacts

Sustainability

The act of using resources without depleting them, with the goal of keeping and creating enough resources for future generations to use

Tropical cyclone

Low pressure systems that form over warm tropical waters

Vulnerable

Exposed to the possibility/risk of being harmed

When did cyclone gabrielle hit nz

13th feb 2023

2 groups that responded to cyclone gabrielle

Red cross, NZDF

Natural disaster

Disasters occurring as a result of natural environmental factors

Human disaster

Disasters occurring as a result of human activity

Scale

The extent of the response in terms of how far it reaches

Span

How long the response lasted, and how many groups of people it helped

Success

How effective and efficient a response is to a disaster

Where do cyclones form

Low pressure tropical zones over warm inter tropical seas

Wind speed required to be considered a cyclone

118km/h

Meteorologists

Provide the data. They track the cyclone’s path and intensity to issue warnings

Emergency services

Focus on search and rescue, enforcing evacuations and managing immediate trauma

Local government

Opens evacuation centres and manages the distribution of food, water and medical supplies

Energy companies

Work to isolate power grids to prevent fires or electrocution, and begin the grueling task of repairing downed lines

Telecommunications

Deploy temporary towers or ‘cells on wheels’ to restore mobile signals, which are vital for coordination

Local neighbours

Those with chainsaws, 4×4 trucks, or boats often lead the initial ‘muck out’ and rescue efforts

Community groups

Focus on search and rescue, enforcing evacuations and managing immediate trauma