The Hindu Business Line : Rain belt may push into central India

Thiruvananthapuram, March 19 The anticipated ‘low’ in the Arabian Sea may show up over the Lakshadweep area in the next 24 hours, and most weather models show the system driving up rain from the southwest coast into central India and to further northeast.

There are also numerical predictions which take the ‘low’ to further southwest of its current perch to around the Mascarene Islands where it would grow into a tropical depression, if not a cyclone.

But majority projections still favour the system caressing the west coast of India, from where it would propagate rains along a southwest to north-northeast axis covering the coastal Karnataka-Konkan belt, interior Maharashtra, parts of Andhra Pradesh and Chhattisgarh.

This rain belt is shown to coalesce with a prevailing wet session in east and northeast India. Parts of the northeastern fringes of the country’s southeast coast would also be brought under the rain footprint.

On Wednesday, a helpful trough ran from Kerala to Vidarbha through interior Karnataka and Marathwada. An India Meteorological Department (IMD) update on Wednesday said that ‘mock-up’ thundershowers are likely over south Konkan, Goa, south Madhya Maharashtra and Marathwada during the next few days.

Humidity build

The piloting rain or thundershowers are also likely over east Rajasthan, Chhattisgarh and Vidarbha during the next 24 hours. The unstable weather could become entrenched with the southwesterlies pumping in moisture along a north-northeast track.

The Extreme Forecast Index of the European Centre for Medium-Range Weather Forecasting saw relative humidity building in the range of 80 per cent to 95 per cent over these regions for three-four days from Thursday. The Ensemble Forecast System of the US Navy too agreed more or lesswith its outlook showing rains foraying into a north-northeast direction.

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