Question

Q. Which of the following local winds are warm winds:

Select the correct answer using the code given below:

• A. 1 and 4 only
• B. 2 and 3 only
• C. 1, 3 and 4 only
• D. 3 and 4 only

Answer 1

The correct option is C 1, 3 and 4 only

Explanation:

Foehn

• Foehn is a dry and warm wind that develops due to adiabatic heating on the leeward side of a mountain range. These winds are more common on the northern side of the Alps in Switzerland.

Loo

• Loo is warm and dry winds, which blow very strongly over the northern plains of India and Pakistan in the months of May and June. Their direction is from west to east, and they are usually experienced in the afternoons. Their temperature varies between 45°C to 50°C.

Blizzard

• Blizzard is a violent, stormy, cold and powdery polar wind laden with dry snow and is prevalent in North and South Polar regions, Siberia, Canada and the USA.

Chinook:

• These are warm and dry winds blowing on the eastern slopes (leeward side) of the Rocky Mountains. They are called Snow Eaters as they melt the underlying snow cover.