Low Pressures

Question 1

Intense surface heating causes?

Answer 1

Thermal low

Question 2

Instability low

Answer 2

Gets its energy from latent heat

Question 3

Lows move in which direction and at what speed

Answer 3

NE and SE 10 - 40 Knots

Question 4

Low pressure wind change NH/SH

Answer 4

Veers NH backs SH

Question 5

Lows travel in which direction

Answer 5

Parallel with the isobars and direction of the win in the warm sector

Question 6

What is an orographic Low

Answer 6

Low pressure in the lee of a mountain due to air being displaced and rotated in the lee.

Question 7

Lee of the alps has what weather?

Answer 7

Clear skies due to fohn effect.

Wind ward side can have cloud and rain… if unstable CB

Question 8

When a cold front hits a mountain range its passage is?

Answer 8

At the surface the front is stopped, slope gets steeper and cold fron above surface spills over the top

Question 9

Thermal Low

Answer 9

Surface heats and air rises geographic force results in cyclonic rotation,

Question 10

Monsoon lows form over where and pressure at alt?

Answer 10

Forms over large continents in summer and weakens with altitude.