According to IMD the Northeast Monsoon season starts on 1st October and ends on 31st December. As we mention often, this is for statistical convenience rather than a reflection of the actual season. The mean onset date for Northeast Monsoon season according to this study by Dr YEA Raj and Dr B Geetha is 18th…
Author: Chennaiyil Oru Mazhaikkaalam
Extended NEM to bring one active rainfall episode to South TN
The statistical NEM season according to IMD is between 1st October and 31st December. This has been done with maintaining long term rainfall data in mind. A rigid season allows better comparison of long term rainfall data and trends. But this does not take into actual onset and withdrawal of monsoons. Similar is the case…
Pongal festivities in TN likely to be impacted by Rains
It may be ironical to talk about Rains when Pongal festival is just around the corner. Before we start calling it “Unseasonal Rains” it is essential to look at the background. When La Nina influence drives the weather dynamics. Of the 5 disturbances that formed after Christmas since 1950 3 of them were when La…
Winter Conditions for next few days in Tamil Nadu
To a common man the arrival of the Tamizh month of Margazhi pretty much heralds winter. Not only do they associate Margazhi with the arrival of winter conditions but cessation of rains too. But ask a weather enthusiast he would say during La Nina winter takes a back seat for Peninsular India. The reason for…
2024 – 5th consecutive above average rainfall year
As 2024 gives way to 2025 we bid adieu to Northeast Monsoon 2024 as well. Statistically the Northeast Monsoon season ends on 31st December. The season ended with 589.9 mm against a normal rainfall of 442.8 mm. Northeast Monsoon 2024 was the 5th consecutive year when the season has ended with above average rainfall. After…