The Hindu Business Line : Fog, cold wave in North may extend to more areas

The eastward moving system is likely to continue to generate scattered rain/snowfall over Jammu and Kashmir, Himachal Pradesh and Uttaranchal for another 24 hours.

Thiruvananthapuram , Jan. 4

WITH the induced low pressure area speeding away far ahead to the east, the western disturbance over Himachal Pradesh and adjoining Jammu and Kashmir seems to have broken free of its drag effect on Wednesday and has started drifting on a similar course to the east.

The induced low has also taken away with it the warm cloudiness, exposing the North and the northwest of the country to cold air from the higher latitudes. This is now spreading over the plains of the region as well, leading to fall in night temperatures over the region by four to six deg C.

The western disturbance has been affecting major parts of the hilly regions of northwest of the country for the third consecutive day on Wednesday, an update from the National Centre for Medium Range Weather Forecasting (NCMRWF) said.

The eastward moving system is likely to continue to generate scattered rain/snowfall over Jammu and Kashmir, Himachal Pradesh and Uttaranchal for another 24 hours.

Parts of west Rajasthan have been experiencing cold wave to severe cold wave conditions since Tuesday, said an update from the NCMRWF. These conditions are likely to spread and extend to some more parts of northwest India, bringing night temperatures further down.

The incidental fog cover also is likely to spread to many other parts of the plains. During the last 24 hours, Churu in west Rajasthan recorded the lowest minimum temperature of 0.3 deg C.

Under the influence of the western disturbance, parts of Punjab and Haryana also experienced cold wave conditions on Tuesday where observed day temperatures plunged to below 16 deg C. Model predictions, however, suggest that day temperatures over the region are likely to increase significantly during the coming days bringing back relatively warmer day conditions.

In its forecast, the NCMRWF said that the hilly regions of northwest India, viz. Jammu and Kashmir, Himachal Pradesh and Uttaranchal are likely to receive scattered snowfall/rain during the next 24 hours. The weather activity is likely to taper off thereafter.

While further fall in night temperatures is likely, there may be significant rise in day temperatures over the plains of the region, leading to occurrence of fog during the morning hours.

Meanwhile, in the South, the upper air cyclonic circulation over southeast Arabian Sea persisted on Wednesday. Another upper air cyclonic circulation lay over southwest Bay of Bengal. Under their combined influence, isolated rainfall activity is likely in Tamil Nadu, Kerala and Lakshadweep during the next two-three days.

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