Met Feedback

Question 1

Horizontal temp gradient and pressure surface gradient of polar front

Answer 1

No horizontal temp gradient

Max pressure gradient

Question 2

What satellite for tops of cumuliform cloud

Answer 2

Infrared

Question 3

Threat associated with airborne weather radar

Answer 3

Heavy precipitation can shield area of severe weather

Question 4

Range of mixing ratios - (cold continental air and tropical air)

Answer 4

0g/kg and 25g/kg

Question 5

Why do the roaring forties and furious fifties exist

Answer 5

Fewer land masses in southern hemisphere so wind is faster

Question 6

Vertical extent of steam fog

Answer 6

500 ft maximum

Question 7

Role of WMO

Answer 7

Establish and implement together with ICAO, a global regulatory framework for national meteorological services

Question 8

Vis of:
Haze
Mist
Fog

Answer 8

5000m or less
1000-5000m
Less than 1000m

Question 9

Speed of warm front

Answer 9

10-15 kts

Question 10

Vertical extent of shallow fog

Answer 10

6ft/2m

Question 11

What causes seasonal movement of ITCZ

Answer 11

annual movement of sun

Question 12

Height and distance of mountain waves

Answer 12

Up to tropopause, 50-100nm avg, rockies is 300nm

Question 13

Polar maritime stability

Answer 13

Unstable - cold air travelling over relatively warm ocean

Question 14

Tropical maritime stability

Answer 14

Stable - warm air from Azores high ocean, travelling towards cooler coast

Question 15

Where is the Ferrell cell

Answer 15

Between Hadley and polar

Question 16

What aids the condensation process

Answer 16

Micrometric particles and water droplets

Question 17

Why no TRS in South Pacific?

Answer 17

Ocean is too cold

Question 18

Mistral

Answer 18

Rhone valley to Mediterranean
Cold, strong katabatic
Gusty
Winter

Question 19

Bora

Answer 19

Adriatic coast

Gusts - gale force

Question 20

Pamperos

Answer 20

Southerly Antarctica to South America

Question 21

4 Stages of mid-latitude occlusion

Answer 21

Cyclogenisis, developed, occlusion, frontolysis

Question 22

Where is first mountain wave

Answer 22

Just below top of mountain (above inversion

Question 23

Cold air pool weather

Answer 23

poor visibility, improved performance

Question 24

Wind for mountain wave

Answer 24

15-20kts

Perpendicular to mountain range

Question 25

Indication of jet stream core

Answer 25

cirrus cloud streaks

Question 26

Which force makes air turn left in northern hemisphere

Answer 26

frictional

Question 27

Define cloud ceiling

Answer 27

Lowest layer of cloud more than 4 oktas

Question 28

Which climate zone is central europe

Answer 28

Mid-latitude (temperate)

Question 29

What does ground-based radar detect

Answer 29

Precipitation and intensity

Question 30

Frontal fog forms how

Answer 30

Evaporation of water from moist ground when warm front passes

Question 31

How is a cold air pool characterised

Answer 31

Topographic depression filled with cold air

Question 32

Where is a secondary depression observed

Answer 32

On a cold front

Question 33

Dangers associated with virga

Answer 33

Cold downdraught due to evaporation

Question 34

Characteristics of savannah climate

Answer 34

Wet summer, dry winter

Question 35

Duration of mid-latitude depression

Answer 35

Less than 4 days

Question 36

What climate is between 30 and 50 degrees

Answer 36

Temperate

Question 37

Slope of a cold front

Answer 37

1:80

Question 38

Where does the tropical continental air originate

Answer 38

southern france

Question 39

How often is a windshear warning updated

Answer 39

every minute