![Portrait de Sara Knox](/sites/default/files/styles/career_image/public/2022-11/Sara%20Knox.png?itok=sun9YzHz)
Sara Knox (she/her)
Career Profiles
Assistant Professor (biometeorology)
![Twenty-sided die](/sites/default/files/styles/resource_card_image_360x300_/public/2023-01/twenty-sided%20dice.jpg?itok=AUYETssh)
How Likely Is It?
Backgrounders
Learn about probability, a branch of mathematics that helps us predict if something might happen.
![The three RADARSAT Constellation Mission spacecraft](/sites/default/files/styles/resource_card_image_360x300_/public/2022-01/Image-of-the-RADARSAT-Constellation.jpg?itok=gIL9hYzz)
7 ways Satellites Help Fight Climate Change
Backgrounders
Discover 7 ways satellite Earth observation helps fight climate change.
![Satellites orbiting Earth](/sites/default/files/styles/resource_card_image_360x300_/public/2021-12/global-positioning-system.jpg?itok=IKUDapOB)
Introduction to Satellites
Backgrounders
Learn about the history, functions, and types of satellites.
![Weather map of Canada](/sites/default/files/styles/resource_card_image_360x300_/public/2020-11/canada-weather-map.jpg?itok=uuMVh7Yv)
Weather: Atmospheric Pressure
Backgrounders
Learn about the layers of the atmosphere, atmospheric pressure, pressure systems and fronts.
![Soonwoong Kwon | Spécialiste en météorologie tactique (SMT)](/sites/default/files/styles/career_image/public/2019-09/Soonwoong%20%20Kwon.jpg?itok=LuApy2oT)
Soonwoong Kwon
Tactical Weather Specialist (TWS)
![Keven Bruce | Tactical Weather Specialist](/sites/default/files/styles/career_image/public/2019-09/Kevin%20Bruce.jpg?itok=-QI0mlRn)
Keven Bruce
Career Profiles
Tactical Weather Specialist
![Holly Wortman | Technicienne en météorologie](/sites/default/files/styles/career_image/public/2019-09/Holly%20Wortman.jpg?itok=09ULO4op)
Holly Wortman
Meteorological Technician
![Alan Bezanson | Instructeur principal en météorologie](/sites/default/files/styles/career_image/public/2019-09/Alan%20Bezanson.jpg?itok=dAofygLK)
Alan Bezanson
Senior Meteorological Instructor
![ChaoticMind75 - iStock](/sites/default/files/2019-08/why-is-it-colder-in-the-winter-even-though.jpg)
Why is it colder in the winter even though the Earth is closer to the Sun?
Hands-on Activities
Learn why we have seasons in this hands on activity.
![Weather Map](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Weather_map.jpg?itok=7rFQrdOS)
Why is the weather so hard to predict?
STEM Explained
Meteorologists use computer models to predict the weather. Learn why, despite advances in computer science, meteorologists still get it wrong sometimes.
![Cumulus Clouds Cumulus Clouds](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1429189096272-e07dc6aff539.jpg?itok=jW0jC1hP)
Weather: Cumulus Clouds
Picture Collections
5 images of cumulus clouds that are white, puffy clouds with a flat base at mid level and are often associated with fair weather
![Fluffy Snow On Deciduous Tree Fluffy snow on deciduous tree](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1448561779273-0ab17ed52a14.jpg?itok=rv3HZf3W)
Weather: Snow
Picture Collections
10 images of some snowflake crystals and some winter scenes with snow