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Heavy to very heavy rain has been forecast over Uttarakhand, Uttar Pradesh, Haryana, Chandigarh and Delhi today as a stubborn low-pressure area persisted over South Uttar Pradesh. The India Met Department (IMD) has forecast heavy rain in Himachal Pradesh, Jammu & Kashmir, Punjab, East Rajasthan, Madhya Pradesh, the north-eastern states, Bengal, Chhattisgarh, Jharkhand, Konkan, Tamil Nadu, coastal and South interior Karnataka and Kerala.
SMART MONSOON FLOWS
Southwesterly winds from the Bay of Bengal are smartly turning monsoon southeasterlies and easterlies across Bangladesh into the north-eastern states, East India, and North-West India.
The 'low' over South Uttar Pradesh has served to boost and amplify these easterly flows to the benefit of the whole of North-West India, even as it interacts with monsoon winds from the Arabian Sea.
The interactive rain is noticeable along a corridor stretching from Dharamsala, Dehradun, New Delhi, Jaipur, Agra, Gwalior and Lalitpur to Lucknow. Heavy rain is also reported along the foothills of Uttar Pradesh, Bihar, Jharkhand and Bengal, with sustained rains lashing the eastern metropolis of Kolkata since overnight last night.
Minor cloud bursts, flooding and landslips have been reported from some parts of the region, with the Met forecasting the prospect of even more rain during the next few days. A projection of the European Centre for Medium-Range Weather Forecasts marked out the Gwalior-Lalitpur, Dehradun, Mau, Deoghar, and Ranchi areas for sustained heavy rain over the next three days.
HEAVY RAIN FORECAST
The IMD said the rain-generating 'low' over South Uttar Pradesh has dropped anchor and would cause widespread rainfall with isolated heavy to very heavy falls over Uttar Pradesh, Uttarakhand, Himachal Pradesh, Haryana, Chandigarh, Delhi and East Rajasthan during the next two days.
It retained the forecast for a likely strengthening of the monsoon during the subsequent two days. Fairly widespread to widespread rainfall with isolated heavy falls are likely over Jammu & Kashmir, Punjab and Madhya Pradesh during the next three days.
In the East, the Met subdivision of Bengal has made the most gains over the last few days, having reduced the rainfall deficit to -20 per cent, while neighbouring Jharkhand posted a shortfall of -32 per cent.
West Uttar Pradesh (-35 per cent) has improved its position, but East Uttar Pradesh (-43 per cent) and Bihar (-42 per cent) have a long way to go to improve their rainfal deficit. The north-eastern states also wallow in a considerable deficit, while Rayalaseema (-32 per cent) and Lakshadweep (-40 per cent) in the South are cause for concern.
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