Financial Daily from THE HINDU group of publications
Saturday, Oct 01, 2005
Financial Daily from THE HINDU group of publications Saturday, Oct 01, 2005 |
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Climate & Weather Industry & Economy - Climate & Weather Southwest monsoon draws to a close Vinson Kurian
Thiruvananthapuram , Sept. 30 THE 4-month-long southwest monsoon officially ended on Friday, a day noted only for the stubborn refusal of a prevailing low-pressure area over the west-central Bay of Bengal to move out of its overnight perch. An existing cyclonic circulation had only the previous day gained strength in lateral and vertical extent to organise itself as a `low' in line with a prediction by the National Centre for Medium range Weather Forecasting (NCMRWF). This had brought scattered to fairly widespread rainfall to north coastal Tamil Nadu, coastal Andhra Pradesh, Orissa, Gangetic West Bengal, Nagaland, Manipur, Mizoram, Tripura, south interior Karnataka and Madhya Maharashtra. Speaking to Business Line on Friday, Dr Akhilesh Gupta, Director, said the NCMRWF was withdrawing a watch mounted for further intensification of the system. Cloudiness over Andhra Pradesh and Tamil Nadu is expected to clear up in another 48 hours and the rains will subside. The ground will then have cleared for monsoon to withdraw from more areas of north and central India. There is an October 1 timeline for the withdrawal process to cover the arc extending from Gujarat in the west to east Uttar Pradesh and west Madhya Pradesh. Meanwhile, `Monsoon On Line', a meteorology programme run by the Pune-based Indian Institute of Tropical Meteorology (IITM), put monsoon deficit obtaining as on Wednesday (September 28) to just - 0.7 per cent (actual rainfall till date being 856.4 mm against a normal of 862.3 mm. Normal for the season as a whole ending September 30 is 871 mm.) The IITM programme said that realised rainfall until Wednesday constituted 97.3 per cent of the seasonal normal. A weather update by the NCMRWF for 24 hours ending Friday morning said that scattered rainfall occurred over the Northeastern States along the east coast, Konkan, Goa and Madhya Maharashtra. Chief amounts of rainfall (in cm) are: Silchar-7, Puri-5, North Lakhimpur-5, Dibrugarh-4, Tuni-4, Kolkata-3, Digha-3 and Kolhapur-3. An upper air cyclonic circulation over Saurashtra and adjoining southeast Arabian Sea has also persisted. This is expected to bring scattered to widespread rainfall to north Konkan and Goa over the next 2-3 days. Isolated to scattered rain is expected over Gujarat and Madhya Maharashtra. Mainly dry weather is likely to prevail over rest areas of west India. Towards the east, the `low' over the Bay will bring rain over the coastal areas of Orissa, Andhra Pradesh and Tamil Nadu, Gangetic West Bengal and the Northeastern States over this period. Most parts of northwest India, north India and parts of west central India are likely to remain mainly dry. Mainly dry weather is likely to prevail over the region during the next 3-4 days.
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