Chennai, Oct. 18 -- A Low Pressure Area has formed over Southwest Arabian Sea on Sunday and it would become more marked during the next 24 hrs, further intensifying the rainfall activity in Tamil Nadu, even as the Northeast monsoon has been vigorous over the State.
In an update, the Met office said rainfall occurred at most places over Tamil Nadu and over Puducherry and Karaikal area with Parrys in Chennai district recording the highest of 363.4 mm of rain since late last evening till 0830 hrs today morning.
A trough from Lakshadweep to Westcentral Bay of Bengal across Karnataka, south Andhra Pradesh between 1.5 and 3.1 km above mean sea level. An upper air cyclonic circulation lies over North Interior Karnataka & neighbourhood at 0.9 km ...