Alberta Clipper:
- Fast-moving winter storm that comes from Canada
 
Arctic:
- North Pole Region
 
Atmosphere:
- Air that surrounds the earth
 
Autumnal Equinox:
- September 22 or 23
 - First day of fall
 
Blizzard:
- Severe winter storm with the following factors:
- Wind blowing more than 35 miles per hour
 - Visibility less than one-fourth mile
 
 
Chinook:
- Warm, dry wind blowing in from the eastern slopes of the Rocky Mountains
 
Climate:
- Average weather that a location has over a long period of time
 
Condense:
- Become liquid
 
Continental Climate:
- Climate with warm summers and cold winters
 - Found on land located far from an ocean
 
Cumulonimbus:
- Very high, puffy, storm clouds
 - Thunderheads
 
Dew:
- Moisture that condenses from the air and gathers in small drops on cool surfaces
 
Drizzle:
- Very small drops of rain
 
Fog:
- A cloud on the ground
 
Freezing:
- 32 degrees (Fahrenheit)
 
Frost:
- Moisture that condenses when the temperature is below freezing
 
Hail:
- Small, round pieces of ice that fall from clouds
 
Humidity:
- The amount of moisture in the air
 
Jet stream:
- A fast-moving current of air that affects weather and climate
 
Meteorologist:
- A scientist who studies the weather
 
Moisture:
- Water
 
Precipitation:
- Any kind of moisture that falls from the atmosphere
 
Prevailing Winds:
- Most common
 
Rain:
- Liquid water that falls from the atmosphere
 
Sleet:
- Rain that freezes into pellets before it reaches the ground
 
Snow:
- Water that is frozen into crystals and falls to Earth in soft, white flakes
 
Solar:
- Sun
 
Subzero:
- Below zero
 
Summer Solstice:
- June 21 or 22
 - First day of summer
 - Longest day of the year
 
Tornado:
- Storm made up of very high-speed, rotating winds
 
Tropics:
- At or near the equator
 - Hot weather all year
 
Vernal Equinox:
- March 20 or 21
 - First day of spring
 
Visibility:
- Distance one can see
 
Weather:
- Day-to-day conditions of the atmosphere
 
Wind:
- Air in motion
 
Wind Chill Index:
- Chart that uses temperature and wind speed to measure how cold the air feels and how long it takes skin to freeze
 
Winter Solstice:
- December 21 or 22
 - First day of winter
 - Shortest day of the year
 


