11. After a large snowstorm, the newspaper reports the water equivalent of the p

Question

11. After a large snowstorm, the newspaper reports the water equivalent of the precipitation for 1Yorkton, Saskatchewan to be 25 mm. If we assume all of the precipitation fell as snow, then how many cm of snow did the city receive? 12. Each of the four illustrations to the right represents the wind flow pattern around an area of surface high pressure or surface low pressure in either the Northern Hemisphere or the Southern 4Hemisphere. For each, indicate whether the surface pressure system is low or high and whether the system is located in the Northern Hemisphere or Southern Hemisphere.

Explanation / Answer

The "conversion function" you are looking for, of fresh fallen snow varies with atmospheric conditions, vapour saturation and temperature since these parameters determine the snow grain morphology.

25 mm = 25 cm for warm storms

25 mm = 50 cm for cold storms

2nd Part

In the northern hemisphere, the convergence of the winds with Coriolis effect at low pressure center leads to cyclonic/anticlock-wise rotation in the cyclones, similarly vice-versa in the southern hemisphere.

a) Low pressure at the surface pressure system in Northern Hemisphere

b) High pressure at the surface pressure system in Southern Hemisphere

c) High pressure at the surface pressure system in Northern Hemisphere

d) Low pressure at the surface pressure system in Southern Hemisphere

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