The Hindu Business Line : 2nd round of winter rains for North from weekend

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Thiruvananthapuram Feb. 22 North India and parts of northwest India are poised to get a second round of winter rains from this weekend.

This will happen with the expected arrival of an `active' western disturbance, though not big in size as the one that walloped the region for a few days from February 9.

The incoming western disturbance too has a weather creating cyclonic circulation embedded but it has become less marked over South Pakistan and adjoining southwest Rajasthan. Therefore, most of the snowfall/rainfall will be confined largely to the hilly regions and the plains of Punjab and Haryana.

It will be `touch and go' for Delhi, according to Dr K. J. Ramesh of the Department of Science and Technology. The rain belt expected to move in an east-southeast direction with the parent western disturbance and would just about brush the fringes of western Uttar Pradesh.

Meanwhile, a weak western disturbance has already been affecting Jammu and Kashmir. Snowfall and rains have been indicated for the region until Friday morning, which will reduce thereafter. This system is tipped to move east-northeastward.

The National Centre for Medium Range Weather Forecasting (NCMRWF) said in its update that fairly widespread snowfall/rainfall is likely over Jammu and Kashmir, Himachal Pradesh and Uttaranchal for three days from Saturday. Scattered thundershowers have been forecast for Punjab, Rajasthan, Haryana and Uttar Pradesh on Sunday and Monday.

EASTERLY WAVE

Extreme southern peninsula is priming itself for a date with an approaching easterly wave. On Thursday, satellite pictures revealed associated cluster of clouds over central and southeast Bay of Bengal.

An update from India Meteorological Department (IMD) said isolated rain/thundershowers are likely over Andaman and Nicobar Islands on Friday thanks to thunderclouds that have already parked themselves over southeast Bay of Bengal.

The parent tropical wave had been located to the southwest of Sumatra over the eastern Indian Ocean as early as from Tuesday. It was seen drifting westwards, notes Mr Jim Andrews of AccuWeather.com. Some of the associated cloudiness will dip southwest and merge with the Inter Tropical Convergence Zone (ITCZ) and join a line of tropical storms already marching through the western Indian Ocean.

According to the NCMRWF, extreme southern peninsula will be brought under the influence of the wave from Sunday with rains/thundershowers being indicated for parts of Kerala and Tamil Nadu.

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