Weather+Info

Weather is "the state of the atmosphere with respect to heat or cold, wetness or dryness, calm or storm, clearness or cloudiness." ([|Merriam-Webster])

Our weather, as well as winds, are caused by the sun. Weather data is collected by meteorologists from local weather stations, global weather stations, and weather satellites, such as the one below.

Meteorologists use station models such as the one below on weather maps to show temperature, dew point, cloud cover, precipitation, wind speed, wind direction, and pressure in millibars. Meteorologists also use certain instruments to measure components of weather, such as anemometers (left, measures wind speed), wind vanes (center, measures wind direction), and barometers (right, measures pressure).

**Extreme Weather:** Thunderstorms Hurricanes Tornadoes

Fronts and Air Masses: Fronts Air Masses