Which of the following is a local wind?
- A.Loo
- B.Westerlies
- C.Monsoon
- D.Easterlies
Show answer
Correct answer: A. Loo
Explanation
The correct answer is A, Loo. The loo is a hot, dry wind that blows over the plains of north India and Pakistan in May and June, often pushing afternoon temperatures above 45 degrees Celsius and causing heat strokes. Winds are grouped as planetary, which blow across the globe all year, seasonal, which reverse with the seasons, and local, which affect a small area for a short period because of local heating and pressure differences. Other local winds worth remembering are the chinook of North America, the foehn of the Alps, the mistral of France and the sirocco of the Mediterranean. Option B is wrong because the westerlies are planetary winds blowing from the subtropical high towards the subpolar low. Option D is wrong because the easterlies, or trade winds, are also planetary winds moving towards the equator. Option C is wrong because the monsoon is a seasonal wind that reverses direction between summer and winter. Exam tip: loo, chinook, foehn, mistral and sirocco are the standard local winds.