Cyclones give october a miss

Question 1

How many cyclones are formed in world & North Indian Ocean(i.e.Bay of bengal + Arabian Sea)

Answer 1

80-World annually

5-North Indian Ocean

Question 2

What are the 2 seasons of cyclones in North Indian Ocean?

Answer 2

1.April to June
2. October to December
May & November most conducive

Question 3

How do usually cyclones form in bay of bengal?

Answer 3

Ocean disturbances enter the Bay of Bengal from the South China sea side and head towards the Indian coast.

Question 4

Why no cyclone this year?

Answer 4

• weak La Nina conditions along the equatorial Pacific Ocean
• influence of Madden Julian Oscillation (MJO)
• vertical wind shear created due to significant wind speed difference observed between higher and lower atmospheric level prevented the low-pressure systems and depression from strengthening into a cyclone.

Question 5

What is MJO?

Answer 5

eastward-moving cyclic weather event along the tropics that influences rainfall, winds, sea surface temperatures and cloud cover. They have a 30 to 60-day cycle.