Author: Chennaiyil Oru Mazhaikkaalam

Northeast Monsoon is extremely active over South Tamil Nadu with some heavy rains and flooding reported in Tirunelveli, Thootukudi and Kanyakumari districts. A combination of Wind of Disctontinuity & Low Pressure Trough adjacent to Sri Lanka has been providing good moisture for these rains in South Tamil Nadu The rains are expected to continue for…

There is a trough of low pressure between Sri Lanka and Sumatra (marked in the map) that is now under monitoring by IMD for further development. Showing a lot of vorticity it is slowly picking up in terms of Convergence and Divergence. This is creating a lot convection in the South Bay thereby providing some…

Delta region of Tamil Nadu got some heavy rains last evening, with some places receiving rains in excess of 50 mm.  This has given a much needed boost to the farmers of the area.  South TN and Central TN could continue to get some decent rains in the days to come. Unfortunately for Chennai the…

Northeast Monsoon by itself is an erratic monsoon over the years which is one of the reasons most of the time forecasts are extremely difficult to make for the season and anything longer than a week is a risk.  With very little research done on Northeast Monsoon unlike Southwest Monsoon there is very little past…

Though strong easterlies are back, the rains have been occasional and isolated.  An update on why the rains are isolated and whats the forecast for the next few days to come. As usual we are trying to put simple pictorial representation of the analysis for better understanding.  The moisture is currently available only along the…