Weather & The Hydrological Cycle

What is Weather?

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

What are the key elements of weather?

Temperature, Sunshine, Rainfall, Air Pressure, Humidity, Winds, Cloud Cover.

How is Temperature measured?

Temperature is measured in degrees Celsius or Fahrenheit.

What is Rainfall?

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

What does Atmospheric Pressure measure?

The weight of the air pressing down on the Earth's surface, measured in millibars.

What is Humidity?

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

What is Wind speed?

Wind speed is how fast the air is moving, measured in knots.

How is Cloud Cover measured?

Cloud cover is measured in oktas, referring to the amount of clouds covering the sky.

What instrument measures Temperature?

Thermometer.

What is a Rainfall Gauge also known as?

Funnel with a receiver for measuring rainfall.

What instrument measures Humidity?

Hygrometer.

What does a Barometer measure?

Atmospheric Pressure.

What is the purpose of a Wind Vane?

To measure wind direction.

What instrument is used to measure Wind Speed?

Anemometer.

What is the purpose of Campbell's Stokes Sunshine Recorder?

To measure sunshine duration.

What does a Cloud Mirror measure?

The percentage of cloud cover.

What is _______________?

The condition of the atmosphere at a specific location and time, commonly referred to as Weather.

Humidity is measured in _______________ of water vapor per kilogram of air.

grams.

The _______________ is the instrument used for measuring atmospheric pressure.

Barometer.

Wind speed is measured in _______________.

knots.

A _______________ measures the amount of rainfall in liquid form.

Rain gauge.

The instrument used to measure cloud cover is called a _______________.

Cloud mirror.

_______________ measures the direction of the wind.

Wind vane.

The process of heat from the sun warming the Earth's surface is known as _______________.

Radiation.

The _______________ is used to determine the duration of sunshine in hours.

Campbell's Stokes sunshine recorder.

_______________ refers to the amount of moisture in the air relative to its maximum capacity at that temperature.

Humidity.