Southwest Monsoon 2020 performance: South scores best and North remains poorest

October 1, 2020 5:06 PM | Skymet Weather Team

The southwest monsoon 2020 outperformed many recent seasons and ended the decade with one of the best performance. Seasonal rainfall is rarely evenly distributed across the four homogenous regions of our country. Northwest Indian was the poorest registering deficiency of 16% and all the hilly states remained deficient : Jammu & Kashmir and Ladakh- 34%, Himachal Pradesh – 26% and Uttrakhand – 20%. The highest deficiency of 37% was recorded by West Uttar Pradesh. Punjab and Haryana recorded shortfall of 16% and 14% respectively.

South Peninsula recorded excess of 29% rainfall and Rayalaseema topped the list with huge and record surplus of 84%. 7 out of 10 sub divisions of this region scored excess rainfall and the remaining 3 were normal. Even the perpetual deficit state of Tamil Nadu measured surplus of 28%.

The other two geographical regions recorded more than the normal rainfall : Central India +15% and East & Northeast India + 6%. However the sub division of NMMT (Nagaland, Manipur, Mizoram, and Tripura) remained poorer by 32%.

The rainfall activity will continue during first half of October on account of southwest monsoon and later change over to northeast monsoon most likely by 4th week of October. However the total rainfall will get accounted for Post Monsoon season ( October - December).

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