Once in a Blue Moon very rarely, informal In the changing dynamics of ocean warming, “climate change” etc it might not be a surprise if one gets to hear about “Once in a Blue Moon” weather events more often than not. A couple of days back New York city got flooded extensively due to record…
Author: Chennaiyil Oru Mazhaikkaalam
Widespread thunderstorms to continue over Peninsula India
The Southwest Monsoon season this year is indeed turning out to be special for parts of leeward Tamil Nadu. In particular Chennai and the surrounding districts of Tiruvallur, Kanchipuram and Chengalpattu along with Villupuram in North Coastal Tamil Nadu has been enjoying an extremely active season of Thunderstorms. All these districts have so far seen…
Delayed start to SWM withdrawal on the cards
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…
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…