Understanding Heat Waves

The video discusses heat waves, defined as periods of excessively hot weather, and their varying definitions across regions. The World Meteorological Organization, the US, Australia, and the UK have different criteria for identifying heat waves. The video also explores the impacts of heat waves on energy consumption, infrastructure, and health, highlighting the increased risk of wildfires and heat-related illnesses. Viewers are advised to stay indoors and hydrated during heat waves.

What is a heat wave typically characterized by?

• Excessively hot weather and sometimes high humidity

• Rainy weather and low temperatures

• Cold weather and low humidity

• Mild weather and moderate humidity

According to the World Meteorological Organization, how many consecutive days of heat are required to define a heat wave?

• Ten days

• Five days

• Three days

• Seven days

In the US, what is the typical temperature threshold for a heat wave?

• 95 degrees Fahrenheit

• 90 degrees Fahrenheit

• 85 degrees Fahrenheit

• 80 degrees Fahrenheit

What is one of the effects of heat waves on infrastructure?

• Improved road conditions

• Decreased energy consumption

• Melting of road surfaces and buckling of railways

• Increased rainfall

Which of the following is a recommended action during a heat wave?

• Increase physical exertion

• Ignore weather warnings

• Engage in outdoor activities

• Stay indoors and keep hydrated