Air Masses
Most common air mass to affect the UK. Brings warm and wet weather.
Tropical Maritime air mass
a high pressure system
What is an Anticyclone
Oktas
What is cloud cover measured in?
An Anemometer
What is used to measure wind speed?
Can cause drought
What is a disadvantage of summer anticyclone?
2nd most common air mass to affect the UK, brings cold and wet weather.
Polar Maritime air mass
a low pressure system
What is a depression?
=
What is the symbol for Mist?
Kilometres
What unit is used for measuring visability?
Increased tourism
What is an advantage of a summer anticyclone?
Will bring very cold and dry weather. Has potential to bring snow.
Polar Continental air mass
Anti-clockwise
What direction do the winds spin in a depression?
*
What is the symbol for Snow?
They orbit the earth and send back photographs of the worlds weather
What are weather satellites?
Flooding
What weather event could a depression bring?
Will bring very dry and very hot weather in summer, likely to bring a heatwave in summer also.
Tropical Continental air mass
Cool, cloudy, dull, wet and windy.
Describe the weather brought by a Depression.
Knots
What is wind speed is measured in?
Rain, Hail, Snow and Sleet
Name the 4 different types of precipitation.
always brings rain
A weather front...
Will bring cold and wet weather, rain in summer and snow in winter.
Arctic Maritime air mass
Sinking air, dry, stable, bright and clear
Describe weather brought by an anti-cyclone
O
What is the symbol for 0 oktas of cloud cover?
Millibars
What unit is used for measuring air pressure?
The boundary between two air masses
What is a front?