Which of the following difference between the cyclone & anti cyclone is correct?

1. Cyclone is a high pressure centre with surrounding low pressure whereas the anti-cyclone is low pressure centre with surrounding high pressure.
2. Cyclone blows clockwise whereas anti-cyclone blows anti-clockwise in the Northern Hemisphere.
3. Anti-cyclone causes great damage to the life and property whereas cyclone brings stable weather.
4. Cyclone is associated with cloudy skies & very heavy rainfall but anti-cyclone is associated with clear skies & dry conditions.

Which of the following is not a local wind?

1. Mistral
2. Bora
3. Trade wind
4. Foehn

Summer monsoon blows from which direction?

1. South west
2. North east
3. South east
4. North west

Which of the following wind is extremely important for the aviation process?

1. Westerlies
2. Trade
3. Jet stream
4. Cyclone