Met - Mountain Waves Flashcards Preview

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Flashcards in Met - Mountain Waves Deck (6)
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1

How should you approach a mountain range if you suspect mountain waves may be present .....

Approach from an oblique angle that allows for a less than 1800 escape route

2

What type of clouds indicate mountain waves are present .....

lenticular, and roll clouds

3

The crests of the mountain waves can be ..... ..... than the mountain that triggered them

much heigher

4

What do the crests and troughs of the mountain waves do in relation to the mountain range .....

they remain stationary

5

3 things are required for mountain waves to form .....

1. Wind direction - must be at almost right angles

2. Wind speed - greater than 25kts

3. Atmospheric stability - there must be a stable layer of air sandwiched between 2 unstable layers

6

The nature of mountain waves is determined by 3 things .....

1. The height of the mountains

2. The shape of the mountains

3. The degree of stability