After a lull of nearly weeks IMD announced the revival of monsoon withdrawal yesterday. Since 26th of September SWM withdrawal was stalled over NW India and parts of Central India. The two circulations, Depression and Cyclonic Storm Shakthi kept the monsoon dynamics going during this period. Consequent to the weakening of these disturbances monsoon withdrawal…
Transition season thunderstorms underway over Peninsular India
It is that time of the year when a large part of the country looks forward to the winter season. But there is one small part of the country that looks at the transition season through a different lens. The Peninsular east coast starts the countdown towards the arrival of Northeast Monsoon. Bloggers from across…
Northeast Monsoon 2025 – A good year with potential to become exceptional
Back in 2017 when even IMD did not issue seasonal update for NEM our first outlook was put up. Initially the outlooks were mostly based on seasonal OLR charts or Hovmollers from CFS. Gradually the availability of ECMWF seasonal forecasts provided another tool to look into while making seasonal outlooks. Over time these seasonal outlooks…
SWM season comes to a statistical end
India’s official weather agency IMD has classified a calendar year into four seasons for the purpose of rainfall classification. Rains during the months of January and February get counted against winter rains. Rains between March and May fall under Summer or Pre Monsoon season. Rainfall between 1st June and 30th September gets classified as SWM…
South China Sea conveyor belt keeps monsoon dynamics going
Yesterday IMD announced further withdrawal of Southwest Monsoon from more parts of North India. Almost entire NW India has seen monsoon withdraw yesterday nearly 5 days ahead of the normal date of 30th September. But over the next few days this revival of withdrawal from 21st September will go through a pause. Southwest Monsoon this…