Yr 9 Climate And Weather Flashcards

1
Q

3 types of clouds

A

Cirrus cumulus stratus

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2
Q

If air pressure is low, air is

A

Rising

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3
Q

If air pressure is high, air is

A

Sinking

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4
Q

3 types of rain

A

Relief convection frontal

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5
Q

Causes of beast from the east 4

A

Cold air came across Europe from Siberia
Rural areas experienced -12
Wind speeds exceeded 70mph
Cold air from Europe picked up moisture from North Sea causing snow

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6
Q

Effects of the beast from the east 6

A

Thousands of school closures from multiple days
10 deaths
Snow drifts 7meters
10-20cm fell in 3 days
Stranded cars on roads
Flights delayed or cancelled

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7
Q

Responses to beast from the east 5

A

Met office red weather warning
Red Cross gave blankets to stranded people at Glasgow airport
Snow ploughs and gritters
Armed forces transported NHS workers
NHS cancelled non urgent operations

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8
Q

What are isobars

A

They are on synoptic charts to show lines of equal pressure indicating areas of high and low pressure

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9
Q

What 3 ways do we know what climate was like in the past

A

Historical evidence
Tree rings
Ice cores

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10
Q

Explain the difference between the greenhouse gases effect and the enhanced greenhouse effect

A

Greenhouse gasses (CO2, nitrogen, methane) are naturally occurring and help retain heat from the sun in our atmosphere to support life. When we burn fossil fuels gases releases causing a build up in the atmosphere. This is the enhanced greenhouse gases effect resulting in the earth warming rapidly as sun light can less easily be reflected back out of the atmosphere.

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11
Q

Describe relief rain

A

Hot wind meets a line of hills so air rises, condensed and falls as rain

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12
Q

How is cloud cover measured

A

With your eyes in eighths/octaves 0=none 4=half 8=no clear

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13
Q

Describe convection rainfall

A

Hot ground warms air which rises and condenses and forms clouds and we get rain

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14
Q

Describe frontal rainfall

A

A cold air mass meets a cold one making clouds and rain the most common type

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15
Q

Describe cirrus clouds

A

Nice sunny weather thin feathery clouds of ice crystals above 1,000 feat

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16
Q

Describe cumulus clouds

A

Large puffy white clouds nice weather/ snow flurries

17
Q

Describe a stratus cloud

A

Flat layers of grey clouds made of water droplets makes rain or fog bellow 6500

18
Q

Difference between weather and climate

A

Weather is the day to day atmospheric conditions which can change quickly. Climate is the average atmospheric condition over long periods usually 30yrs and large areas of land

19
Q

Climate change effects

A

Drought
Ice caps and glaciers melt
More forest fires
Spread of disease
Economic crash
Flooding and rising sea levels
More severe storms
Famine

20
Q

What is rainfall effected by

A

Distance from equator hot=rain
Distances from sea
ocean currents can bring hot or cold water. Hot water means evaporation
Prevailing winds
Altitude

21
Q

How do we know what climate was like in the past

A

Historical evidence
Tree rings
Ice cores

22
Q

Adaptation vs mitigation

A

Adaptation is a life style change by adjusting to work with the changing climate and cope with the consequences. Mitigation is trying to stop climate change or slow it to prevent the consequences.

23
Q

Why is it hotter at the equator

A

It’s closer to the sun so the sun rays are more intensive

24
Q

What impact do ocean temperatures have on the climate and uk

A

Warm ocean currents move north and south from the equator which warms the air as it goes bringing mild weather to the uk

25
Q

Why is the weather varied in the uk

A

We are a small island so lots of air masses compete to be over us

26
Q

What weather is associated with low pressure

A

Rising air creating clouds and rainfall/ damp and gray

27
Q

What is a average rainfall map called

A

Chloropleth