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Timely twist to surplus rain Key balance in showers

The city witnessed a drastic decline in rainfall deficiency during August.

The deficit came down from a whopping 34 per cent in July end to 1 per cent surplus by the end of August.

The city received 448mm rainfall between August 1 and 31, against the normal of 265mm, creating a surplus rainfall of 69 per cent for the month. This was the second highest rainfall in the state capital in August over the past decade. The rain seemed to be evenly distributed throughout the month, as there were 13 rainy days. (See graphic)

The rain god showed mercy not only in Patna but also across the state. The deficiency for the state came down from 23 per cent in July-end to 15 per cent by end of August.

The state, at present, is better off compared to rainfall conditions in the country. According to records with the India Meteorological Department (IMD), the country is witnessing poor rainfall, with the deficiency standing at 17 per cent.

According to norms of IMD, nationwide deficient rainfall conditions are declared when the deficit is over 10 per cent, whereas a state is declared to be witnessing deficient rainfall conditions, when the deficiency stands at 19 per cent or above.

Weathermen have attributed the El Niño effect as one of the factors leading to overall deficient rainfall conditions in the country. IMD had earlier predicted that there were more than 70 per cent chance of El Niño weather phenomenon hitting monsoon in India this year.

El Niño — a Spanish word for Christ Child — is an abnormal warming of water in the Equatorial Pacific Ocean, which has been commonly associated in the past with poor rainfall in South Asia.

Weathermen are of the view that the bountiful rainfall conditions observed in Bihar during August are unlikely to be repeated in September. “The southwest monsoon is likely to remain inactive over the region till September 15 with two spells of widespread rainfall — September 4 and 5 and September 10 and 11. The monsoon trough line is expected to pass through the centre of the state on both occasions,” said Ashish Sen, director, Patna Meteorological Centre.

Weathermen attributed the decline in rainfall in the state during August to torrential rains around August 15, which had led to heavy waterlogging in Patna and flood conditions in as many as 16 districts.

“The monsoon trough line was passing through the centre of the state between August 9 and 20, which, along with a low-pressure area on August 13 and 14, led to widespread heavy rainfall across the state,” said Sen.

According to records available with the meteorological centre, only three out of 38 districts (Begusarai, Lakhisarai and Banka) have shown surplus (+20 per cent of higher) monsoon rainfall figures till August 31.

If a few districts received surplus rainfall figures, the same trend was observed with regard to districts receiving extremely deficient rainfall. Only two districts — Saharsa (-66) and Buxar (-84) witnessed scanty (-60 to -99 per cent) rainfall conditions during August. Another 12 districts received deficient (-20 to -59 per cent) rainfall. Remaining 21 districts received normal rainfall (+/- 19 per cent) during the last month. According to records with the Met office, though the state-wide cumulative rainfall deficiency from June 1 to August 31 was 15 per cent, the same for the month of August stood at five per cent surplus.

“The state received 32 per cent and 23 per cent deficient rainfall in the month of June and July, respectively. It was mainly because of scanty rainfall in those two months that the overall cumulative rainfall deficiency stands at 15 per cent,” said Sen.

The local Met department has forecast normal rainfall in Bihar in September. “The IMD, in its revised long range forecast, has already predicted normal rainfall (+/-) 5 per cent during the month of September,” said Sen.

On expected rainfall during September 4 and 5, Sen said: “Apart from the monsoon trough line passing through the centre of the state, a low-pressure area is also expected to lie in the region. This, in turn, is expected to cause widespread rainfall.”

Jolt to salary

Saran district magistrate Kundan Kumar on Tuesday ordered to stop payment of salary of an executive engineer, assistant engineer and two junior engineers of the minor irrigation department because of negligence in work this monsoon.

Kundan also ordered to stop payment of salary of two block supply officers.


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