Union territory of Puducherry has surpassed all time heavy rainfall record for the month of November. The standing record of 808mm rainfall, established in November 2008 has been overtaken this year by registering 834mm of rainfall, so far in this month.
Very close to the earlier record of 2008, was also 2015, when the local observatory measured 807.6mm. Normal rainfall for the month of November stands at 402.8mm. Therefore, the coastal union territory has already clocked more than double the monthly rainfall.
There have been four spells of heavy rainfall in this month. Month had begun on a rainy note with 155mm rainfall in the 1st three days. Another 3 days spell between 08th and 10thNovember poured 258 mm of rainfall. To top the list, heaviest rainfall of 194mm in 24hr was recorded on 18thNovember. Another downpour followed on 21stNov, when the city recorded deluge of 97mm. Last 4 days have generally remained quiet with less than double digit rainfall.
All is not yet over and done in this month as, another heavy wet spell is looming large. The union territory is expected to have heavy to very heavy rains commencing tonight and lasting till 29th November. Three digit rainfall in 24hr is quite likely on one or two days during this period. Monthly total may go in to 4 digits for the 1st time, since the records are being maintained.
A low pressure area is marked over southwest Bay of Bengal, well supported with cyclonic circulation. A trough is also extending along the coastline up to north Tamil Nadu and south Coastal Andhra Pradesh. The prominent weather system has also been manifested in the satellite imagery as convective cloud cluster hovering in the proximity of region. Incessant rains, localized flooding and waterlogging may disrupt the rail road and air traffic simultaneously.