For nearly 80 years the traditional onset and withdrawal dates for Southwest Monsoon was 1st June over Kerala and 1st September over Northwest India. A couple of years back IMD decided to realign the onset and withdrawal dates taking into account the monsoon dynamics seen over the past few decades in terms of onset and…
Category: Weather Update
Quasi stationery MJO to keep Southwest Monsoon going
During the Southwest Monsoon season Kerala and Mahe roughly receives 200 cms of rains during an average year. Roughly 13% of the seasonal rainfall is expected to fall during the month of September. The monthly average for September is 27 cms or so. After a record breaking August, not for the right reasons, the cumulative…
Chennai’s special Southwest Monsoon year continues to roll
Northeast Monsoon, or retreating monsoon as it is called technically, is the primary rainfall season for most of Tamil Nadu including Chennai. According to the Climatological Normal from IMD for the period 1991 to 2000 the seasonal mean rainfall during Southwest Monsoon (June to September) is 474 and 440 mm respectively for Chennai AP and…
Monsoon all set to revive over Peninsular West Coast
One of the key things that come up with better observations is long term record keeping. This long term record keeping serves as a good remainder to how things happened many years back decluttering some of the noise that comes around “Climate Change and Global Warming”. August 2023 set many unwanted records as Southwest Monsoon…
Convective thunderstorms to continue over Tamil Nadu
The Indian sub continent is home to various forms of arts and dances. While most of them are learnt through formal training a few get passed through generations by practice. One such art known as “கழைக்கூத்து” in Tamil. Similar to the trapeze act in circuses this requires a lot of concentration, balance and coordination. Convective…