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Weather

The three RADARSAT Constellation Mission spacecraft

7 ways Satellites Help Fight Climate Change

Discover 7 ways satellite Earth observation helps fight climate change.

Satellites orbiting Earth

Introduction to Satellites

Learn about the history, functions, and types of satellites.

Marty Robitaille pilotant un aéroglisseur

Marty Robitaille

Hovercraft Captain

Road construction in winter

Heavy Equipment in Winter

Learn how people keep heavy equipment working in the most challenging conditions

Weather map of Canada

Weather: Atmospheric Pressure

Learn about the layers of the atmosphere, atmospheric pressure, pressure systems and fronts.

Windy hillside

Weather: Wind

Learn what causes wind and how to measure it.

Warm and cool Earth

Weather: Temperature

Temperature affects the way we live, the clothes we wear and activities we do. But how does temperature vary across the globe?

Snowflake

Weather: Precipitation

Learn about humidity and the many forms of precipitation.

Clouds seen from an airplane

Weather: Clouds

This backgrounder describes the three major types of clouds.

Screen capture from the MinuteEarth video “Why are there clouds?”

How Do Clouds Form?

Learn how cumulus clouds form.

Weather station in Iceland

Measuring and Forecasting Weather

Learn about different weather instruments that meteorologists use to measure weather.

Smoke from a crop-duster shows wake turbulence

What is Air Turbulence?

Learn about the science behind the four main causes of turbulence.

Thundersnow near a cabin on a hillside

Thundersnow: winter thunderstorms

When thunder and lightning occur but the main form of precipitation is snow, not rain, it’s called thundersnow.

dangerous tornado approaching wind turbine

What is a Tornado?

Tornadoes are a common extreme weather phenomenon in Canada. How are they formed? How can you stay safe? And what is a storm chaser?

Cartoon leaf holding an umbrella over baby plant

What is Acid Rain?

Acid rain is any precipitation that has an unusually low pH. It can be rain, snow, fog, etc. But what is a low pH and why is this a problem?