Scattered rains for south peninsula from 18-May ... http://bit.ly/lTlci2

Scattered rains for south peninsula from weekend

Fairly widespread rain or thundershowers unfold over the Northeastern States and scattered over adjoining east India, south Karnataka, Kerala and Lakshadweep from late this week.

This is as per the outlook given in an extended forecast issued by India Meteorological Department (IMD) on Sunday evening and valid until Friday.

MERCURY TRENDS

Meanwhile, maximum temperatures have continued to rise by 2 to 3 deg Celsius over parts of Jammu and Kashmir, Punjab and Uttar Pradesh through Saturday.

They were above normal by 2 to 4 deg Celsius over part of Jammu and Kashmir, Himachal Pradesh and Punjab as sustained heating from across the border in Pakistan touched off on local weather.

The maxima were above normal by 2 to 3 deg Celsius over parts of Rajasthan, Uttar Pradesh, Bihar, north Madhya Pradesh, north Chhattisgarh, Jharkhand, the Northeastern States, north Orissa, north interior Andhra Pradesh and north Karnataka.

FRESH WESTERLY

Thus, heating has become widespread from northwest to the interior with Brahmapuri in Maharashtra recording the highest maximum of 45.1 deg Celsius on Saturday.

Meanwhile, the IMD has said that a fresh western disturbance would impact northwest India from Thursday.

Isolated dusts storms or thunderstorms may occur over Rajasthan and west Uttar Pradesh until Tuesday.

The IMD also expected maximum temperatures to rise by 2 to 3 deg Celsius over northwest and adjoining central India until Thursday.

WEATHER FEATURES

On Sunday, however, an upper air trough ran down east-southeast from north Rajasthan to Gangetic West Bengal across Haryana, Uttar Pradesh, southwest Bihar and consummating in an upper air cyclonic circulation over Jharkhand.

Another upper air trough looked down to the south from southwest Madhya Pradesh and extended ended up in another cyclonic circulation over extreme south Tamil Nadu.

A third upper air cyclonic circulation hung over Assam, completing the rollout of pre-monsoon weather formations across the country.

CONVECTIVE CLOUDS

Satellite pictures on Sunday evening showed the presence of convective (rain-bearing) clouds over Andaman Sea and south Arabian Sea.

Low to medium clouds were seen over parts of northwest India, and west, central, east and south peninsular India.

A weather warning said that isolated thunder squalls would occur over Bihar, Jharkhand, West Bengal, Sikkim and Orissa until Tuesday. Isolated dust storms or thunderstorms may occur over Rajasthan, and west Uttar Pradesh.

FAIRLY WIDESPREAD

A short-term outlook until Wednesday said that fairly widespread rain or thundershowers would unfold over the Northeastern States, sub-Himalayan West Bengal and Sikkim.

It would be scattered over Gangetic West Bengal and isolated over rest east India, Chhattisgarh and west Maharashtra.

Scattered rain or thundershowers would break over south Karnataka and Kerala and isolated over the rest of south peninsular India.

RT @asury: @weatherofindia "rain in bangalore" .. again again 4:10pm

IMD :: Monsoon may reach Andaman Sea this week ... http://bit.ly/iqKsiW

RT @akshaydeoras: Temp reaches to 44C in New Delhi as of 42C max yesterday. It was 38C when I landed there in evening.Heat Wave just starts

Moisture push into Kerala and Karnataka coast will start from 21-May... some monsoon type sharp showers expected in these zone!

Vertical velocity over Coastal Maharastra and N.coastal Karnataka are on higher side,T.showers expected in 24 hrs. http://ping.fm/a2Pv3

On 16-May, Super Heat -- highest maximum temperature of 46.8 deg C was recorded at Khajuraho (Madhya Pradesh)

RT @rajugana: @weatherofindia; rain likely in north India http://ow.ly/4W9Az

RT @rajugana: Baroda 9.45am, Yestday 40.6-27C, overcast sky. Now its partially cloudy sky a pic http://bit.ly/k61XTp humid n hot.