Weather Update, May 17: As weather patterns shift, a heatwave is set to grip Coastal Andhra while heavy rains are expected to pelt several states in Northeast India including Assam, Meghalaya, and Manipur.
A trough that is likely to stall over East India will steer southwesterly winds from the Bay of Bengal, resulting in heavy to very heavy rainfall across Northeast India. Over the next five days, the region can expect light to moderate widespread rainfall.
Specifically, Arunachal Pradesh may experience heavy rains in isolated areas on May 19-20. From May 17-20, Assam, Meghalaya, Manipur, Mizoram, and Tripura are likely to witness heavy downpours, with isolated heavy falls anticipated in Assam and Meghalaya on May 18-19.
Simultaneously, another trough accompanied by wind discontinuity may bring rain, including occasional heavy falls, to parts of Kerala over several days.
Additionally, a western disturbance persists as a cyclonic circulation over north Pakistan and adjoining Jammu & Kashmir, while a fresh western disturbance is observed as a trough in the middle and upper tropospheric westerlies.
Furthermore, a trough extends from North Bihar to Central Chhattisgarh.
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Under the influence of these weather systems, dust storms or dust-raising winds may prevail over isolated pockets in Haryana, Delhi, West Uttar Pradesh, and Rajasthan on May 17-18. Dust-raising winds are also likely in isolated pockets over Madhya Pradesh and Vidarbha on May 17.
With humid air and high temperatures, hot and uncomfortable weather is expected in Odisha, Coastal West Bengal, Rayalaseema, Kerala, and Tamil Nadu on May 17-18, followed by Konkan from May 18-20. Isolated pockets in Coastal Andhra Pradesh may experience heatwave conditions on May 17.
In terms of temperatures, maximum temperatures are projected to rise by 2-3°C over many parts of Northwest and Central India from May 18. Minimum temperatures are expected to be near or slightly above average across India during this period.
Thursday’s forecast (May 18) includes the expectation of very heavy rain in parts of Assam and Meghalaya, heavy rainfall in Manipur, Mizoram, and Tripura, and widespread rains and thunderstorms over Assam, Meghalaya, Nagaland, Manipur, Mizoram, Tripura, Sub-Himalayan West Bengal, and Sikkim. Additionally, fairly widespread rains and thunderstorms are possible in Arunachal Pradesh and Gangetic West Bengal.
