Pan India Pre Monsoon rains to increase around May 13

May 13, 2018 9:01 AM | Skymet Weather Team

As far as Pre-Monsoon rains are concerned, there is a level of variation in parts of the country which is common during the month of May. During the last couple of days, North, Northeast as well as southern parts of the country all saw rainfall activities.

However, now, the next three days, i.e. May 10, 11 and 12 are expected to be quiet for the northern plains while the hills will see rains starting evening of May 12. Central India during this time will be dominant with heat while East India will see reduced rainfall activities. Northeast India will see lesser rains on May 12 and 13. Meanwhile, the southern parts of India are expected to see good rains during this period.

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After this dry spell over most parts of the country, rains are likely to make a comeback. In fact, pockets of Maharashtra, Chhattisgarh, and some areas of Rajasthan which have remained dry until now, are expected to see some rains. Meanwhile, weather will remain dry over extreme West Madhya Pradesh, isolated pockets of Rajasthan as well as Gujarat.

North India, South India along with East and Northeast India will all see rains starting May 13 until May 15. However, while some parts will witness rains on all three days, while others will see rains only for a day or two.

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There are multiple weather systems which are expected to bring rainfall over these areas. A fresh Western Disturbance is likely to approach the Western Himalayas on May 13 which will give rains over the hills of North India including Jammu and Kashmir, Himachal Pradesh and Uttarakhand. Its induced cyclonic circulation will result in thunderstorm, dust storm along with some rains over Haryana, Punjab, North Rajasthan, Delhi, and West Uttar Pradesh.

The cyclonic circulation over Jharkhand and adjoining Odisha and West Bengal is expected to become more marked and will increase rains over Jharkhand, Odisha, West Bengal and Bihar. Due to this system and the anti-cyclone over Bay of Bengal, moist winds will be pushed towards Northeast India resulting in rains.

Along the East coast, a trough is extending which will cause rains over Odisha and Coastal Andhra Pradesh. In South India, a cyclonic circulation is over Comorin region. Also, the pre-Monsoon trough in the interior Peninsular India will result in more rains. The wind discontinuity has also extended rains up to Goa and between May 13 and 15, could even go up to Konkan. However, Mumbai will be spared from the rains. Parts of Madhya Maharashtra are also expected to see some rainfall activity during this period.

Thus, cities of Nagpur, Jabalpur, Patna, Gaya, Allahabad, Lucknow, Hyderabad, Bengaluru, Delhi, Kolkata, Chennai, Ranchi, Jamshedpur are expected to see some rains.

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