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India Meteorological Department Issues Warnings of Extremely Heavy Rainfall and Squally Winds

Strategic Insights

— 1 min read

The India Meteorological Department (IMD) has issued warnings of extremely heavy rainfall and squally winds over several parts of South India and adjoining seas. A well-marked low-pressure area over the southwest Bay of Bengal off the Tamil Nadu coast continues to move northwestwards, affecting Tamil Nadu, Puducherry, Karaikal, and parts of south Andhra Pradesh. The IMD has warned of extremely heavy rainfall exceeding 21 cm in isolated places over Tamil Nadu, Puducherry, and Karaikal, with heavy to very heavy rainfall reported in Coastal Andhra Pradesh, Yanam, and Rayalaseema. The weather department has also noted that a depression over the southeast Arabian Sea is expected to move slowly north-northwestwards over the next 24 hours.

Key Takeaways:

  • Extremely heavy rainfall exceeding 21 cm has been recorded in isolated places over Tamil Nadu, Puducherry, and Karaikal.
  • Heavy to very heavy rainfall ranging between 7 to 20 cm has been reported in Coastal Andhra Pradesh, Yanam, and Rayalaseema.
  • The low-pressure area over the southwest Bay of Bengal is expected to move northwestwards, affecting Tamil Nadu, Puducherry, Karaikal, and parts of south Andhra Pradesh.
  • The IMD has warned of dense fog in Odisha on October 22 and 23, while thunderstorms with gusty winds are expected over Odisha, Madhya Pradesh, Vidarbha, and Chhattisgarh during the next five days.
  • Squally winds reaching speeds of 45-55 kmph, gusting up to 65 kmph, are likely to prevail over the Arabian Sea, Lakshadweep, and Comorin areas till October 24.
  • Fishermen have been advised not to venture into the Arabian Sea and Bay of Bengal areas until conditions improve.

Statistics:

  • 21 cm: Extremely heavy rainfall recorded in isolated places over Tamil Nadu, Puducherry, and Karaikal.
  • 7-20 cm: Heavy to very heavy rainfall reported in Coastal Andhra Pradesh, Yanam, and Rayalaseema.
  • 630 km: Distance of the depression over the southeast Arabian Sea from Aminidivi (Lakshadweep).
  • 1,010 km: Distance of the depression over the southeast Arabian Sea from Panjim (Goa).
  • 45-55 kmph: Squally winds expected over the Arabian Sea, Lakshadweep, and Comorin areas till October 24.
  • 65 kmph: Gust speeds expected over the Arabian Sea, Lakshadweep, and Comorin areas till October 24.

Sources:

  • Government of India
  • Government of India (2)
  • India Meteorological Department (IMD)

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