Rainy Dark clouds moving towards Chennai
Posted on: 29/Oct/2012 11:23:13 AM - No. of views : (6882)
After a week`s break, the Met department has said that the rains are back and could last the whole week. A trough of low pressure over eastern parts of the Bay of Bengal has developed into a well-marked depression over the Andaman and Nicobar Islands.
This could mean rain from Sunday night.There could be intense rainfall for the next three to four days, and there could be showers till the end of the week.The Meteorological department has been observing the formation of the system for a week.
Some parts of Tamil Nadu have started receiving rain.Usually, there are three depressions during the northeast monsoon. Of these, one hits Tamil Nadu, making October and November the rainiest months.
Tamil Nadu has received 50% more rainfall than usual from October 1 this year. While the normal is 150.4mm between October 1 and 26, Tamil Nadu has received 226mm.
Chennai, in its first week of the monsoon, received 186% excess rainfall. The onset of monsoon was declared on October 19, after which Chennai has received 244.2mm of rain. The normal is 85.3mm. Chennai gets about 28cm of rain over 10 days in October and 40cm over 12 days in November.
