The North Indian Ocean basin (Arabian Sea and Bay of Bengal) typically see two cyclone seasons every year. The first season happens when transition happens between Easterly to Westerly winds. April and May see cyclones often playing a role in these seasonal reversal of winds. The second season coincides with the Northeast Monsoon season. Once…
Author: Chennaiyil Oru Mazhaikkaalam
South Tamil Nadu and Kerala better placed for rains
The last couple of years have seen a lot of progress in Ai/ML weather models which place a lot of emphasis on past events. Based on how events happened under similar conditions these Ai/ML models create forecasts with best probable scenarios. Numerical weather models which are based on differential equations place a lot of emphasis…
Tropical waves to bring enhanced rainfall activity over Peninsular India this week
Most weather observers would accept when one says Sun / Heat is the driver of Rainfall. From small scale events like thunderstorms to large scale synoptic events like Monsoon everything owes something to Sun / Heat. But time to time the favourable presence of tropical waves plays a crucial role in enhancing the rainfall. Many…
Active phase of summer thunderstorms underway over Peninsular India
Coffee Showers, Cherry Blossom Showers, Mango Showers are some of the names associated with pre monsoon or summer thunderstorms. These rains typically start from March and continue till mid May before monsoon dynamics arrive. Over the East India these pre monsoon thunderstorms are called Norwesters or Kaalbaishakis while further East these summer thunderstorms are called…
Defining Week ahead for Bengaluru Rains
Since the start of 2024 the two IMD observatories at Bengaluru, City & AP, has received total rains of 19 and 3.4 mm respectively. Between 8th of January and 2nd May the city observatory did not receive any worthwhile spell of rains. 2024 was the first instance in more than 40 years April did not…