The Hindu Business Line : N-E monsoon records surplus run in TN, Kerala

The northeast monsoon has had a satisfactory run till now (Oct 1 - Nov 8) in both Tamil Nadu and Kerala, while being a trifle wayward in Andhra Pradesh. South Tamil Nadu and Kerala benefited most from the season.

RAINS FORECAST

Intermittent rains are forecast to continue in Kerala and Tamil Nadu through this week under the influence of passing easterly waves, at least one of which is expected to throw up a low-pressure area in the Bay of Bengal.

The India Meteorological Department and the National Centre for Medium Range Weather Forecasting expect the `feeble low' to materialise as early as by Monday. This would expectedly bring another round of fresh rains to the southeast peninsular coast.

SOUTH TN IN FOCUS

The US National Centres for Environmental Prediction (NCEP) has said that the fresh rains will become concentrated at one or more places in north coastal Tamil Nadu and adjoining south coastal Andhra Pradesh.

Pockets in south Tamil Nadu, which have already had excess rains till now during the season, would be subjected to another round of precipitation during the course of the week. The NCEP is predicting that some places will witness rainfall amounting to 200 to 400 per cent above normal for this time of the year.

LIST OF TOPPERS

In the meteorological sub-division of Tamil Nadu and Puducherry, Tirunelveli district topped the list with the highest quantum of excess rainfall (129 per cent). Nilgiris (+96 per cent); Chennai (+95 per cent); Tuticorin (+92 per cent) and Cuddalore (+82 per cent) followed in that order. As many as 22 districts recorded excess rainfall (20 per cent or above normal). Puducherry recorded a surplus of 23 per cent. The only district to fall out of the excess/normal rainfall list was Perambalur with - 23 per cent.

In the met sub-division of Kerala and Lakshadweep, 10 out of 15 districts recorded excess rainfall. Thiruvananthapuram topped the list with +72 per cent, closely followed by the neighbouring Kollam (+63 per cent). For a change, the usually rain-deficit northern districts of Palakkad and Wayanad found themselves in the list of districts receiving normal rainfall.

Andhra Pradesh, however, presented a different picture with the met subdivision of coastal Andhra Pradesh alone recording excess rainfall (+21 per cent). Rayalaseema (-16 per cent) and Telengana (-24 per cent) landed themselves in the deficient list.

Significant rainfall records ranged from an excess of 192 per cent in Krishna district, a deficit of 71 per cent in Srikakulam and 69 per cent in Vizianagaram (both Coastal Andhra Pradesh). Hyderabad and Medak in Telengana recorded deficit rainfall of 50 per cent each. In Rayalaseema, Cuddapah district totted up a deficit of 59 per cent.

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