Home >News >India >Pawan, the 5th cyclone brewing in Arabian Sea this year, veers away from India
Cyclones Vayu, Hikka, Kyaar and Maha had formed over the Arabian Sea this year. (Photo: AP)
Cyclones Vayu, Hikka, Kyaar and Maha had formed over the Arabian Sea this year. (Photo: AP)

Pawan, the 5th cyclone brewing in Arabian Sea this year, veers away from India

  • IMD said cyclone Pawan, which formed over the Arabian Sea on Thursday, was headed towards the Somalia coast
  • The last such occurrence was observed in 1902, when five cyclones formed in the Arabian Sea

In a tumultuous cyclone season, one more cyclonic storm churned up the waters of the Arabian Sea on Thursday, taking the total number of cyclones this year to five.

So far, four cyclones have formed over the Arabian Sea. Vayu in June and Hikka in September were recognized as “very severe" cyclonic storms. The formation of cyclones Kyarr and Maha simultaneously in end-October was considered to be an unusual occurrence observed last in 1965.

While, cyclone Maha turned “extremely severe", cyclone Kyarr intensified into a super cyclone and dissipated near the coast of Somalia. The last such occurrence (five cyclones) was observed in 1902.

Cyclone Pawan, which formed over the southwest Arabian Sea on Thursday early morning, lay centred around 430km south-east of Socotra in Yemen, and 800km of Bosaso in Somalia by evening.

According to the India Meteorological Department (IMD), Pawan is most likely to maintain its intensity as a cyclonic storm till Friday noon, and weaken thereafter, as it heads north-northwestwards towards the Somalia coast.

IMD said it may recurve and cross the Somalia coast as a depression in the morning hours on 7 December.

Meanwhile, another cyclonic disturbance, which had simultaneously formed over east-central Arabian Sea as a “deep depression" on Wednesday, moved west-northwestwards and weakened into a “depression" on Thursday noon.

It continued moving west-northwestwards away from the Indian coast and weakened into a low pressure area in the evening, when it lay centred around 730km west-southwest of Mumbai (Maharashtra) and 710km of west of Panjim (Goa).

However, the weather department said no significant rainfall was expected over the Indian mainland because of the two systems, but issued a general advisory to fishermen not to venture into the east central Arabian Sea till Thursday evening due to rough sea conditions, which will improve Friday onwards.

While the Arabian Sea has witnessed five cyclones against the usual occurrence of one every year, Bay of Bengal on the wastern side remains relatively quite with only three cyclones—Pabuk, Fani and Bulbul—compared to the normal occurrence of four cyclones per year.

Taken together, the Arabian Sea and Bay of Bengal, which form a part of the North Indian Ocean, have witnessed eight cyclones this year.

Comparing the post-monsoon season scenario over the years, the frequency of the cyclonic disturbances observed over the Arabian Sea this year equals the past record of 1982 and 2011, when four cyclonic disturbances had developed in the post-monsoon season.

According to weather scientists, warming of oceans is fuelling stronger cyclones in the North Indian Ocean, with increasing potential energy available to these cyclonic disturbances.

The systems also seem to have intensified rapidly, most probably due to higher sea-surface temperatures, which lead to an increase in cyclonic wind speeds.

Studies show that with a rapidly warming Indian Ocean, the frequency of severe cyclones is expected to increase.

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