Pre-monsoon showers likely today evening in Delhi; Chennai left dried by the southwest monsoon

July 4, 2012 3:26 PM | Skymet Weather Team

New Delhi, Wednesday, July 4, The wait for monsoon in Delhi is likely to be over in the next 24 hours as pre-monsoon showers are waiting on its border in the south to strike anytime soon. Also, after giving Delhi first showers of this season, things are set to improve even more at the start of the next week. The mix-up of moisture laden southwesterly and southeasterly winds in the region south of Delhi may help continuation of rains during the period. The rains if sustain might lead to the announcement of arrival of the monsoon by July 8 or 9.

The moisture laden winds are likely to travel all the way to the hills of Uttarakhand, begetting good amounts of rainfall here as well. Some moisture may rebound from the hills and find its way back into the plains of western Uttar Pradesh and Delhi. This enhances the chance of Delhi receiving showers like never before in this season.

Dust and thunder storm activity is likely in Delhi today late afternoon or evening onwards.

Situation not so favourable in Chennai

At the other end of the nation, Chennai remains warm but less humid as moisture-devoid southwesterly winds continue to parch Chennai. These southwesterly are originating in the Arabian Sea, dispensing any moisture over Karnataka and Nilgiris and reaching here dry.

The winds are also strong enough to restrict sea winds to reach Chennai, halting rainfall. There is a marginal drop in temperatures due to light isolated rainfall in the vicinity but cloudy skies and dryness is making the weather warm. There is also reduction in humidity by 10-15 percent. There are chances of light showers in Chennai during the next 24 hours due to moisture straying in from surrounding areas.

Southeasterly winds may strengthen further along the east coast that may increase rainfall activities in Chennai in the next forty-eight to seventy-two hours.

Monsoon in the next twenty four hours

The southwesterly winds are now covering major parts of west and central India and heading to the north of Maharashtra and Madhya Pradesh. These conditions are conducive for rainfall activities in Gujarat, Maharashtra and Madhya Pradesh. Rainfall is likely to continue along the west coast.

The cyclonic circulation over west coast and a low pressure area over Bay of Bengal bode well as far as advancement of monsoon is concerned. Moderate rainfall is likely in north Andhra Pradesh and coastal Orissa while rains in central India are expected to continue in the next twenty four hours. Isolated heavy rains in south Chhattisgarh and Orissa belt are possible.

Rainfall is expected to continue over coastal Maharashtra, north Karnataka, Konkan and Goa with isolated heavy rains at few places.

In the north, Uttar Pradesh, Himachal Pradesh and Uttarakhand are likely to get some rain, while northeast and east will sustain moderate showers tomorrow.

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