Weather & The Hydrological Cycle

Flashcards covering key terms and concepts related to weather and the hydrological cycle.

What is Weather?

Weather is the day to day condition of the atmosphere at a specific place and a particular time.

Temperature

A measure of how hot or cold a place is, measured in degrees Celsius or Fahrenheit.

Rainfall

Movement of moisture from the atmosphere to the surface in liquid form, measured in millimeters or inches.

Atmospheric Pressure

The weight of the air pressing down on the earth’s surface, measured in millibars.

Humidity

The water content of the atmosphere, measured in grams of water vapour per kg.

Winds

Movement of air across the earth’s surface, characterized by speed and direction.

What is meant by Cloud Cover?

The amount of clouds covering the sky, measured in oktas.

Thermometer

An instrument used to measure temperature.

Hygrometer

An instrument used to measure humidity.

Barometer

An instrument used to measure atmospheric pressure.

Wind Vane

An instrument used to measure wind direction.

Anemometer

An instrument used to measure wind speed.

Campbell's Stokes Sunshine Recorder

An instrument used to measure sunshine duration.

Cloud Mirror

An instrument used to estimate the amount of cloud coverage in the sky.