Farming Monsoon

Monsoon could hit new peak this week as favorable features align-IMD

July, which is typically the rainiest month of the four-month season

Monsoon could hit a new peak this week as favorable features align-IMD

The monsoon is expected to reach a new high as it enters the second half of July, which is typically the rainiest month of the four-month season, with support from the West Pacific/South China Sea this week, likely culminating in the formation of a strong low-pressure area over the North Bay of Bengal, according to short-to-medium guidance from the India Meteorological Department (IMD)

A combined outlook from the Climate Prediction Centre, National Centres for Environmental Prediction, and the National Oceanic and Atmospheric Administration of the United States suggests increased rainfall over Central, West, and East India from July 17 to 23, coinciding with roaring activity in the South China Sea, which borders the Bay of Bengal and Indochina.
Active South China SeaDuring this time, a monsoon ‘pulse’ would most likely originate in the South China Sea and travel west across Indochina into the North-East Bay of Bengal, where it is expected to drop anchor and evolve into a full-fledged ‘low’ (even depression). It would gradually guide itself towards the coast of Odisha and Andhra Pradesh, buffeted by strong easterly winds.

Activity would be muted over Peninsular India, particularly the extreme South Peninsula, before returning to normal during the following week (July 24 to 30), when the South China Sea may tone down pitch by a notch, resulting in a cool-down in monsoon intensity over India and the majority of the rainfall confined to Central India (Gujarat, Madhya Pradesh, Chhattisgarh, and Odisha).

Useful monsoon features

Meanwhile, on Monday morning, the IMD identified the monsoon-driving features as the main channel over land located south of its normal position, indicating active monsoon conditions. It is likely to maintain this alignment for the next four to five days. To the west, the offshore trough was nearly full-blown from the coasts of South Gujarat and North Kerala. A cyclonic circulation over the plains of West Bengal, as well as adjoining Jharkhand and Odisha, completed the picture by steering monsoon winds away from the sea.

Heavy to extremely heavy rain

A five-day forecast predicts heavy to very heavy rainfall in Konkan and Goa, Kerala and Mahe, Coastal and South Interior Karnataka, Madhya Maharashtra, and Gujarat. On Monday and Tuesday, isolated, extremely heavy rainfall is expected over Konkan and Goa, as well as the Madhya Maharashtra ghats, and on Monday, over Coastal Karnataka, South Interior Karnataka, Kerala, and Mahe. It will be heavily isolated across Vidarbha, Telangana, Coastal Andhra Pradesh and Yanam, North Interior Karnataka, and Marathwada.

In East India, the IMD predicts heavy rainfall in isolated areas of Odisha on Monday, Wednesday, and Thursday. Arunachal Pradesh for three days beginning Monday, Assam and Meghalaya, the hills of West Bengal and Sikkim, and Bihar on Monday, and Nagaland, Manipur, Mizoram, and Tripura on both Monday and Tuesday. Isolated heavy rainfall is expected over Uttarakhand and East Rajasthan for five days beginning Monday, as well as over East Uttar Pradesh on Monday and Thursday.

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