Why May isn't that Hot?


  • India usually gets thunderstorms accompanied by rainfall, dust and hail in Jan, Feb and March months due to western disturbances.
  • But this year(2020) they have continued even in April and May.
  • According to IMD, there were 354 heavy rainfall events across India in March and April.


Check out this link to see the forecast.


Impact So Far.

  • Delhi-NCR witnesses showers in morning; Met predicts more rainy, windy days.
  • Temperature May dip as light showers likely today.
  • Himachal receives rain, snow; temperature drops by 7 degree.
We have also witness the changing of weather in our area. Thunderstorm, Lightning, Snow are still continuing, unlike previous years where we were all demanding winters to last long.


Prediction For Hot Summer.

  • IMD had predicted warmer-than-usual weather for the months of March and April for India.
  • Average maximum temperatures were likely to be warmer-than-usual by 0.5-1 degree.

Western Disturbances.

The main reason for storms, rainfall and cooler temperatures were W.D.

They are very difficult to predict.

W.D. is an extratropical storm originating in the Mediterranean region that brings sudden winter rain to Northern India.

The reason for more W.D. is 

  1. Usually warm temperature over Eurasia.
  2. The warm cool pattern over Atlantic Ocean

Conclusion.

Warming of land surface in the summer, especially in the northern part of the country is essential for attracting monsoon winds that occur due to temperature contrasts between land and ocean.
The coming south-west monsoon may, thus, be weakened as a result of a cooler-than-usual north and central India during the pre-monsoon period.


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