Weather Flashcards
Air pressure is measured with…
A barometer
Air pressure is measured in….
millibars
High air pressure brings…
Fine, clear, cloudless weather with hot days and cooler evenings. In winter it brings frost
Low pressure brings…
stormy, unsettled, rainy, wet, windy weather
A large area of high pressure is called an…
anticyclone
A large area of low pressure is called a
…
depression
Sunlight is measured with…
A campbell-stokes sunshine recorder
Sunshine is measured in…
Sunshine hours
What is atmospheric pressure?
The weight of gases pushing down on the earth
Which air mass was responsible for the “Beast from the East?”
Polar Continental
What is a rain shadow?
A rain shadow is an area of dry land on one side of a mountain where it rains heavily on the other
How does a rain shadow occur?
When warm, moist air is forced up a mountainside where it causes heavy rain, and then it dries and sinks on the other side of the mountain
What is wind speed measured in?
kph
what is wind speed measured with?
an anenometer
What is wind direction measured with?
weather vane
What is precipitation measured with?
rain gauge
what is precipitation measured in?
millimeters
what is cloud cover measured in?
oktas
what is cloud cover measured with?
okta index card
what is humidity measured with?
hygrometer
what is humidity measured in?
%
What makes up weather?
Cloud cover, temp, precipitation, wind direction/speed, air pressure, sunlight
which type of weather is related to the word bar?
air pressure
What is an air mass?
A large volume of air travelling from one area to another