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`Warm pool' to buoy wet session

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Thunderstorms, hailstorms in the next few days

Vinson Kurian

Small showers


The Bay

islands have been brought under a spell of intermittent heavy showers.

The wet

session would extend to coastal Tamil Nadu and Kerala as well.

Thiruvananthapuram, March 27

The `warm pool' of ocean waters is providing the ideal ground support for the tango performed in the air by passing easterly waves and convective clouds that hang over the Bay of Bengal.

This will bring a string of thunderstorms and hailstorms to impact parts of Central India and the eastern and extreme southern flanks of the peninsula intermittently over the next few days, says a forecast from the National Centre for Medium Range Weather Forecasting (NCMRWF).

Dr K.J. Ramesh of the NCMRWF said warm pools were active in the Southwest Bay (to the east of Sri Lanka) as well as to the Southeast of the Andaman Islands. An area of cold anomaly in the Central Bay spaced the warm pools apart.

TN, Kerala to be covered

The Bay islands have been brought under a spell of intermittent heavy showers over the past few days. Assuming that the warm pools sustain over the next two days, which forecasts indicate will, the wet session would extend to coastal Tamil Nadu and Kerala as well.

An NCMRFW forecast said isolated thunderstorms/hailstorms could be expected to hold sway over Telangana, Vidarbha, Orissa, West Bengal, the Northeastern States, South Interior Karnataka and the Bay Islands over the next two to three days.

Subsequently, the belt of isolated to scattered rainfall activity would move to coastal Tamil Nadu and Kerala.

In the Northwest, a western disturbance passing over Jammu and Kashmir has brought the region under isolated and scattered rainfall. Rain/snow may continue for another two days over the hilly regions. The westerly trough is then expected to move east and bring Uttaranchal under its influence by Thursday.

Isolated to scattered rainfall/thundershowers are expected over Jharkhand, Gangetic West Bengal and the Northeastern States in the coming days. Meanwhile, another westerly trough is expected to approach North Pakistan and adjoining areas by the weekend.

(This article was published in the Business Line print edition dated March 28, 2006)
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