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
What affects the weather that an air mass brings?
- temperature
- north or south
- over sea or land
What are the air masses affecting the uk?
Polar maritime, polar continental, arctic maritime, tropical maritime, tropical continental
What is the weather coming from the polar maritime like?
wet, cold, showery
What is the weather coming from the polar continental like?
hot air brings dry summers, cold air brings snow in winter
What is the weather coming from the tropical continental like?
hot, dry,
What is the weather coming from the tropical maritime like?
hot, wet
Which direction does wind go in terms of air pressure?
High to low
On a synoptic chart, where would the most wind be?
where the “contours” were closest together
What is a synoptic chart?
a more detailed weather map
Which direction does a depression travel in a uk?
west-east
What direction do winds blow in a depression?
anticlockwise
What is percolation?
Water moving down into the rock
What is groundwater flow?
Water moving through the rock
What is throughflow?
Water moving downwards through the soil
What is infiltration?
water going down into the soil
What is groundwater?
Water stored in the ground
going to delete this question soon
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