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National 5 Geography > Chapter 1.1 Weather > Flashcards

Chapter 1.1 Weather Flashcards

1
Q

Some instruments used to measure the weather are;

A

thermometers, barometers, wind vanes, anemometers and rain guages set up in as Stevenson screen.

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2
Q

Other methods of measuring weather include;

A

radiosonde balloons, aircraft, ships and satellites.

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3
Q

An anemometer is an instrument that measures

A

wind speeds

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4
Q

A barometer is an instrument that measures

A

air pressure in millibars.

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5
Q

A thermometer is an instrument that is filled with

A

alcohol that allows readings to be taken of the temperature.

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6
Q

A weather station is a

A

site where instruments are set up to measure various elements of the weather

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7
Q

A weather station circle is a

A

drawn circle that is surrounded by various symbols representing the weather.

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8
Q

A synoptic chart is an map of an area showing

A

isobars, fronts and pressure systems from which weather forecasts can be made

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9
Q

In a weather symbol this means:

,

A

Drizzle

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10
Q

In weather symbols this means:

A

Rain Shower

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11
Q

In weather symbols this means;

.

A

Rain

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12
Q

In weather symbols this means

*

A

Snow

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13
Q

In weather symbols this means

A

Hail

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14
Q

In weather symbols this means

A

Thunder-storm

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15
Q

In weather symbols this means

A

Heavy rain

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16
Q

In weather symbols this means

A

Very heavy rain

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17
Q

In weather symbols this means

A

Sleet

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18
Q

In weather symbols this means

A

Snow shower

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19
Q

In weather symbols this means

A

mist

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20
Q

In weather symbols this means

A

fog

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21
Q

In weather symbols this means

A

clear sky

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22
Q

In weather symbols this means

A

one okta of cloud cover

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23
Q

In weather symbols this means

A

2 oktas of cloud cover

24
Q

In weather symbols this means

A

three oktas of cloud cover

25
Q

In weather symbols this means

A

four oktas of cloud cover

26
Q

In weather symbols this means

A

five oktas of cloud cover

27
Q

In weather symbols this means

A

six oktas of cloud cover

28
Q

In weather symbols this means

A

seven oktas of cloud cover

29
Q

In weather symbols this means

A

eight oktas of cloud cover

30
Q

In weather symbols this means

A

sky obscured

31
Q

In weather symbols this means

A

the wind speed is calm

32
Q

In weather symbols this means

A

The wind speed is 1-2 knots

33
Q

In weather symbols this means

A

The wind speed is 5 knots

34
Q

In weather symbols this means

A

The wind speed is 10 knots

35
Q

In weather symbols this means

A

The wind speed is 15 knots

36
Q

In weather symbols this means

A

The wind speed is 20 knots

37
Q

In weather symbols this means

A

The wind speed is 50 knots or more

38
Q

Latitude - The higher the latitute of a country of region,

A

the colder the weather generally tends to be during all four seasons.

39
Q

Distance from sea - Countries and areas that lie further from the sea tend to have

A

drier climates as a result Britain which is surrounded by sea has a wet climate.

40
Q

Air masses - Britian is affected by 5 different air masses and these are:

A

Polar maritime, Arctic maritime, polar continental, tropical maritime and tropical continental.

41
Q

The Polar Maritime air mass orginates from and brings

A

The North Atlantic Ocean and brings rainy and cool weather all year.

42
Q

The Arctic Maritime air mass orginates from and brings

A

The Arctic Ocean and brings Rain in the Summer and very cold temperatures and snow during winter.

43
Q

The Polar Continental air mass orginates from and brings

A

Central Europe and Asia and brings Dry and warm weather during the Summer and very cold weather in the winter

44
Q

The Tropical Continental air mass orginates from and brings

A

North Africa and brings Dry and hot weather

45
Q

The Tropical Maritime air mass orginates from and brings

A

Atlantic ocean and brings rainy and mild weather

46
Q

A depression is a

A

low pressure system

47
Q

There are five parts to a depression and in order they are:

A

Cold Sector, Warm front, Warm sector, Cold front and Cold Sector

48
Q

At the cold sector it is

A

dry with a few cirrus and altostratus clouds. Winds are South Easterly and air pressure is falling

49
Q

At the warm front there is

A

steady rain, it is slightly warmer and the clouds are low and thick. Air pressure is still falling.

50
Q

At the warm sector the

A

rain turns to drizzle or it may even be dry. It is slightly warmer and the sky clears with a few stratus clouds. Winds are coming from a South Westerly direction and the pressure stops falling.

51
Q

At the cold front there is

A

heavy rain, colder temperatures, large dark cumilonimbus clouds with the possibility of thunder.

52
Q

At the cold sector the

A

rain eases off and it is still cold. There are fewer clouds, North Westerly winds and the pressure starts rising.

53
Q

An anticylcone is an are of

A

high pressure.

54
Q

During Summer an anticylone will bring

A

Dry and hot weather. There will be light winds and bright sunshine. During the morning there will be mist and the occasional thunderstorm. It brings settled weather.

55
Q

During the winter an anticylone will bring

A

dry and very cold weather. Winds will be light and there will be bright sunshine. At night there will be frosts and during the morning fog. It brings settles weather

National 5 Geography (13 decks)

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