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Cyclone Tej Intensifies Over Arabian Sea

Cyclone ‘Tej’, brewing over the Arabian Sea, is expected to transform into a Very Severe Cyclonic Storm. The India Meteorological Department (IMD) said Cyclone Tej, a depression gathering force in...

Cyclone ‘Tej’, brewing over the Arabian Sea, is expected to transform into a Very Severe Cyclonic Storm. The India Meteorological Department (IMD) said Cyclone Tej, a depression gathering force in the Arabian sea, intensified into an ‘extremely severe cyclonic storm’ on Sunday, near the coasts of Oman and Yemen.

Cyclone Tej Intensifies Over Arabian Sea

Why In News

  • Cyclone ‘Tej’, brewing over the Arabian Sea, is expected to transform into a Very Severe Cyclonic Storm. The India Meteorological Department (IMD) said Cyclone Tej, a depression gathering force in the Arabian sea, intensified into an ‘extremely severe cyclonic storm’ on Sunday, near the coasts of Oman and Yemen.
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Cyclone Tej

  • Extremely Severe Cyclonic Storm Tej is a tropical cyclone that formed over the central-south Arabian Sea and is currently threatening Yemen.
  • The name Tej means speed in Hindi language. The sixth depression and the third named cyclonic storm of the season.
  • As of October 21, Cyclone Tej is tracking west-northwestward in the Arabian Sea and is expected to make landfall west of the Oman-Yemen border.
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Tropical Cyclones

  • Tropical cyclones are violent storms that originate over oceans in tropical areas and move over to the coastal areas bringing about large scale destruction caused by violent winds, very heavy rainfall and storm surges.
  • Tropical Cyclones are one of the most devastating natural calamities in the world.
  • Tropical cyclones originate and intensify over warm tropical oceans.
  • The conditions favourable for the formation and intensification of tropical storms are:
  • Large sea surface with temperature higher than 27° C.
  • Presence of the Coriolis force.
  • Small variations in the vertical wind speed.
  • A pre-existing weak low- pressure area or low-level-cyclonic circulation.
  • Upper divergence above the sea level system.
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Meteriological History

  • On October 16, the India Meteorological Department (IMD) began monitoring the potential for the formation of cyclonic circulation in the Arabian Sea.
  • In Arabian Sea, the relatively high sea surface temperature, pointing to positive Indian Ocean Dipole, created the favorable condition for tropical cyclogenesis.
  • A cyclonic circulation formed over the Arabian Sea on October 16.
  • A low-pressure area formed as a result of the cyclonic circulation on morning of October 18. It intensified further on October 20, becoming a deep depression.
  • On the same day, the system intensified into Cyclonic Storm, receiving the name Tej.
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Current Scenario

  • Originating in the Arabian Sea, the storm is currently moving northwestwards and is expected to cross the Yemen-Oman coast between Al Ghaidah in Yemen and Salalah in Oman.
  •  The cyclonic storm is predicted to cross the Yemen-Oman coasts on October 24 as a very severe cyclonic storm with wind speeds of 115-125 kmph, gusting to 140 kmph.
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  • The India Meteorological Department (IMD) has warned that the deep depression formed over Bay of Bengal may intensify into a cyclone by Monday evening. The warning comes shortly after Cyclone Tej formed in the Arabian Sea.
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  • After its formation, the cyclone will be called Hamoon, a name given by Iran. The Persian word reportedly refers to forests or wilderness. According to the IMD, the system is currently located in west-central Bay of Bengal after moving northeastwards on Sunday night. It lies centred around 400 km from Odisha’s Paradip and 550 km south-southwest of Digha in West Bengal.
  • The cyclone is expected to impact regions of coastal Odisha as well as West Bengal.
  • The IMD predicted it will cross the coasts between Yemen’s Al Ghaidah and Oman’s Salalah on Tuesday. The formation of twin cyclones, simultaneously in the Bay of Bengal and Arabian Sea, is a rare phenomenon.
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