Chapter 1.1 Weather

Question 1

Some instruments used to measure the weather are;

Answer 1

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

Question 2

Other methods of measuring weather include;

Answer 2

radiosonde balloons, aircraft, ships and satellites.

Question 3

An anemometer is an instrument that measures

Answer 3

wind speeds

Question 4

A barometer is an instrument that measures

Answer 4

air pressure in millibars.

Question 5

A thermometer is an instrument that is filled with

Answer 5

alcohol that allows readings to be taken of the temperature.

Question 6

A weather station is a

Answer 6

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

Question 7

A weather station circle is a

Answer 7

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

Question 8

A synoptic chart is an map of an area showing

Answer 8

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

Question 9

In a weather symbol this means:

,

Answer 9

Drizzle

Question 10

In weather symbols this means:

Answer 10

Rain Shower

Question 11

In weather symbols this means;

.

Answer 11

Rain

Question 12

In weather symbols this means

*

Answer 12

Snow

Question 13

In weather symbols this means

Answer 13

Hail

Question 14

In weather symbols this means

Answer 14

Thunder-storm

Question 15

In weather symbols this means

Answer 15

Heavy rain

Question 16

In weather symbols this means

Answer 16

Very heavy rain

Question 17

In weather symbols this means

Answer 17

Sleet

Question 18

In weather symbols this means

Answer 18

Snow shower

Question 19

In weather symbols this means

Answer 19

mist

Question 20

In weather symbols this means

Answer 20

fog

Question 21

In weather symbols this means

Answer 21

clear sky

Question 22

In weather symbols this means

Answer 22

one okta of cloud cover

Question 23

In weather symbols this means

Answer 23

2 oktas of cloud cover

Question 24

In weather symbols this means

Answer 24

three oktas of cloud cover

Question 25

In weather symbols this means

Answer 25

four oktas of cloud cover

Question 26

In weather symbols this means

Answer 26

five oktas of cloud cover

Question 27

In weather symbols this means

Answer 27

six oktas of cloud cover

Question 28

In weather symbols this means

Answer 28

seven oktas of cloud cover

Question 29

In weather symbols this means

Answer 29

eight oktas of cloud cover

Question 30

In weather symbols this means

Answer 30

sky obscured

Question 31

In weather symbols this means

Answer 31

the wind speed is calm

Question 32

In weather symbols this means

Answer 32

The wind speed is 1-2 knots

Question 33

In weather symbols this means

Answer 33

The wind speed is 5 knots

Question 34

In weather symbols this means

Answer 34

The wind speed is 10 knots

Question 35

In weather symbols this means

Answer 35

The wind speed is 15 knots

Question 36

In weather symbols this means

Answer 36

The wind speed is 20 knots

Question 37

In weather symbols this means

Answer 37

The wind speed is 50 knots or more

Question 38

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

Answer 38

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

Question 39

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

Answer 39

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

Question 40

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

Answer 40

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

Question 41

The Polar Maritime air mass orginates from and brings

Answer 41

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

Question 42

The Arctic Maritime air mass orginates from and brings

Answer 42

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

Question 43

The Polar Continental air mass orginates from and brings

Answer 43

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

Question 44

The Tropical Continental air mass orginates from and brings

Answer 44

North Africa and brings Dry and hot weather

Question 45

The Tropical Maritime air mass orginates from and brings

Answer 45

Atlantic ocean and brings rainy and mild weather

Question 46

A depression is a

Answer 46

low pressure system

Question 47

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

Answer 47

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

Question 48

At the cold sector it is

Answer 48

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

Question 49

At the warm front there is

Answer 49

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

Question 50

At the warm sector the

Answer 50

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.

Question 51

At the cold front there is

Answer 51

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

Question 52

At the cold sector the

Answer 52

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

Question 53

An anticylcone is an are of

Answer 53

high pressure.

Question 54

During Summer an anticylone will bring

Answer 54

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.

Question 55

During the winter an anticylone will bring

Answer 55

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