A post on the return of Summer over Tamil Nadu may surprise many at this time of the year. The last couple of days chatter among weather blogging community has been about NEM 2024. A fairly positive outlook from ECMWF Seasonal forecasts seem to have set the cat among the pigeons. With delayed transition to […]
Continue ReadingAcademically Southwest Monsoon season starts from 1st June and ends on 30th September according to IMD. As we explain often this seasonal calendar is to ensure long term data availability is consistent. It is essential data remains consistent to understand long term changes in rainfall pattern. Prior to 2020 the withdrawal date for Southwest Monsoon […]
Continue ReadingNorth Indian Ocean has two distinct cyclone seasons. The first characterised as Pre Monsoon during April and May which at times spills over into June. The 2nd characterised at Post Monsoon which coincides with Northeast Monsoon. IMD which is the RSMC for North Indian Ocean basin has a an exhaustive FAQ section on Tropical Cyclone. […]
Continue ReadingThe Monsoon Jet or more commonly called Somali Jet is an integral component of the Indian Summer Monsoon (ISMR). Monsoon has been in existence from time immemorial. The term Monsoon which originated in French can trace its roots to the Arabic word “Mausim”. As early as 334 BC Aristotle had mentioned about reversal of monsoon […]
Continue ReadingTropical waves govern Monsoon intra seasonal oscillations across the globe. In this MJO plays a very key role modulating the strength of the monsoon. Additionally MJO along with ER many a times is the trigger for cyclogenesis during post monsoon periods. Over the past few months there has been a battle royale between MJO and […]
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