English, asked by reddimsrivalli, 9 months ago

another low pressure brews over BoB,over telangana,andhra pradesh and odisha remain under alert​

Answers

Answered by parthsudamthube
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Explanation:

Sunday, October 18: The depression, which caused torrential downpour and flooding across Andhra Pradesh and Telangana, is still active over the Arabian Sea. And now, forecasts suggest that yet another low-pressure is about to form over the Bay of Bengal on Monday. The Weather Channel’s met team reports that the low-pressure area and related cyclonic circulation are located over the central Bay of Bengal on Sunday morning. The system is likely to intensify further while moving westward towards Andhra Pradesh.

As per the India Meteorological Department (IMD), the fresh low-pressure area is likely to form on Monday and is likely to become more marked by Tuesday. Under the influence of the developing system, heavy to very heavy rains are forecast in isolated parts of Odisha, Telangana and Coastal Andhra Pradesh from Monday to Wednesday. Rainfall accumulation of 50 - 60 mm is likely in 48 hours from Monday morning with locally intense spells in coastal Andhra Pradesh and Odisha.

Accordingly, IMD has placed all the three regions—Odisha, Telangana and Coastal Andhra Pradesh—under orange alert for Tuesday, October 20. Moreover, these regions, along with North Karnataka, Rayalaseema, Tamil Nadu and Maharashtra, are all under a yellow watch from Sunday to Thursday. Orange alert signifies ‘be prepared’, while a yellow watch means ‘be updated’ about the adverse weather conditions.

Nearly 100 people lost their lives earlier this week across Andhra Pradesh, Telangana, Karnataka and Maharashtra as an intense depression swept through the region. Many parts of these states witnessed rainfall accumulation of more than 200 mm, accompanied by lightning and thunderstorms. Moreover, thousands of acres of crops have been lost due to the unseasonal downpour in the region.

A glimpse of heavy rains in Hyderabad this week

(Venkat Apparao / BCCL, Hyderabad)

Monsoon withdrawal has delayed by over 10 days in the country and the withdrawal line still lies over Gujarat, Madhya Pradesh and Uttar Pradesh. Consecutive low-pressure systems over the Bay of Bengal have kept the monsoons active across the southern half of India. Experts suggest that the weak La Niña conditions prevailing over the Pacific Ocean could be the reason behind the delayed withdrawal of monsoon.

The wet phase of the Madden-Julian Oscillation (MJO) and favourable sea surface temperatures of 29-30°C over the Bay of Bengal are the primary reasons for continued intensification of the low-pressure system both this week and the coming week, as per the IMD.

South India witnessed an extremely wet monsoon season, with nearly 30% excess rainfall on an average from June to September. In September, the southern peninsula recorded a whopping 62% above-normal rainfall. In October, the southern states have already witnessed 37% excess rainfall so far. Odisha has also received double the normal rainfall so far from October 1 to 17.

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