Cyclones Mandous and ARB 03

Severe Cyclonic Storm Mandous[nb 1] was the third cyclonic storm, as well as the third most intense tropical cyclone of the 2022 North Indian Ocean cyclone season. The remnants of the system later regenerated into Deep Depression ARB 03 in the Arabian Sea. The system struck the Andaman and Nicobar Islands, as well as South India.

Severe Cyclonic Storm Mandous
Deep Depression ARB 03
Cyclone Mandous at peak intensity prior to landfall on December 09
Meteorological history
as Severe Cyclonic Storm Mandous
FormedDecember 6, 2022
DissipatedDecember 10, 2022
Severe cyclonic storm
3-minute sustained (IMD)
Highest winds95 km/h (60 mph)
Lowest pressure990 hPa (mbar); 29.23 inHg
Tropical storm
1-minute sustained (SSHWS/JTWC)
Highest winds100 km/h (65 mph)
Lowest pressure990 hPa (mbar); 29.23 inHg
Meteorological history
as Deep Depression ARB 03
FormedDecember 14, 2022
DissipatedDecember 17, 2022
Deep depression
3-minute sustained (IMD)
Highest winds55 km/h (35 mph)
Lowest pressure1000 hPa (mbar); 29.53 inHg
Tropical storm
1-minute sustained (SSHWS/JTWC)
Highest winds95 km/h (60 mph)
Lowest pressure994 hPa (mbar); 29.35 inHg
Overall effects
Fatalities9
Damage$550,000 (2022 USD)
Areas affectedTamil Nadu, Andhra Pradesh, Sri Lanka
[1][2][3]
Part of the 2022 North Indian Ocean cyclone season

Meteorological history
Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression
Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

The Indian Meteorological Department issued a bulletin stating that a tropical depression had formed in the Bay of Bengal and was designated BOB 09.[5] The JTWC, released a TCFA on the system, stating that it could intensify further, because of very warm waters and low to moderate wind shear, designating it Invest 96B.[6] A day later, both the JTWC and IMD classified this low pressure as a "cyclonic storm" and it was named Mandous.[7][8] Mandous continued tracking westward, and later, attaining wind speeds of 65 mph (105 km/h; 56 kn), strengthened into a Severe Cyclonic Storm.[9][10] As it continued tracking westward, land interaction caused in to fall to Cyclonic Storm intensity. It later made landfall around Chennai, India as a Deep Depression. It fell to Depression intensity, and later degenerated into a remnant low.[11]

Regeneration

On December 14, the remnants of Cyclone Mandous regenerated into a depression in the Arabian Sea, and it was called ARB 03.[12] The Joint Typhoon Warning Center dubbed it as Invest 97A. Although forecasted to quickly degenerate into a remnant low, ARB 03 intensified into a Deep Depression, according to the Indian Meteorological Department,[13] and the JTWC dubbed it as Cyclone 07A. After reaching peak intensity, the Low-Level Circulation detached from the associated convection, and wind shear increased, starting a weakening trend. It weakened into a low pressure area at 12:00 UTC on December 17.

Preparations

In Puducherry and Karikal, colleges and schools were closed in anticipation of the storm.[14]

Impact

In Chennai, about 200 trees were uprooted due to Cyclone Mandous.[15] Damage in Anantapur was Rs45 million (US$550 thousand).[16] Four people died Tamil Nadu from heavy rains. Five fishermen went missing off the coast of Sri Lanka due to the storm.[17][18]

See also

Notes
  1. The name was provided by United Arab Emirates, which means treasure box in Arabic.[4]

References
  1. Tracks of Cyclones and Depressions for the period of Jan-Dec 2022 (PDF) (Report). India Meteorological Department. Retrieved August 5, 2023.
  2. "Trackfile of 06B.MANDOUS". U.S. Naval Research Laboratory. Retrieved August 5, 2023.
  3. "Trackfile of 07A.SEVEN". U.S. Naval Research Laboratory. Retrieved August 5, 2023.
  4. "Who named cyclonic storm Mandous and what it means | Details". India Today. Retrieved 2022-12-08.
  5. "Tropical weather outlook of the bay of Bengal and Arabian Sea 06 December 2022". Indian Meteorological Department. 6 December 2022. Archived from the original on 7 December 2022. Retrieved 7 December 2022.
  6. "Current Northwest Pacific/North Indian Ocean Tropical Systems Tropical Cyclone Formation Alert WTIO21 Issued at 06/0800Z". JTWC. 6 December 2022. Archived from the original on 7 December 2022. Retrieved 7 December 2022.
  7. "Tropical cyclone 05B (Mandous) #Warning 01 Issued 07/2100Z". JTWC. 7 December 2022. Archived from the original on 8 December 2022. Retrieved 8 December 2022.
  8. "Tropical weather outlook of the bay of Bengal and Arabian Sea 08 December 2022". Indian Meteorological Department. 8 December 2022. Archived from the original on 8 December 2022. Retrieved 8 December 2022.
  9. "Tropical weather outlook Warning 09 of the bay of Bengal and Arabian Sea severe cyclonic storm Mandous 08 December 2022 18:00 UTC". Indian Meteorological Department. 8 December 2022. Archived from the original on 9 December 2022. Retrieved 8 December 2022.
  10. "Tropical Cyclone 06B (Mandous) Prognostic resoaning Warning #05 Issued at 08/2100Z". JTWC. 8 December 2022. Archived from the original on 8 December 2022. Retrieved 8 December 2022.
  11. https://mausam.imd.gov.in/backend/assets/cyclone_pdf/28__National_Bulletin_20221210_1200.pdf
  12. "ARB 03 2022- Special tropical weather outlook 1" (PDF). 14 December 2022.
  13. "ARB 03 2022- Special tropical weather outlook 2" (PDF). 15 December 2022.
  14. "Cyclone Mandous Live updates: Schools and colleges to be closed on Friday in Puducherry and Karaikal". The Times of India. Retrieved 2022-12-08.
  15. "4 Dead, Blackouts, Waterlogging in Tamil Nadu Hit by Cyclone: 10 Facts".
  16. "Cyclone Mandous: damage in Anantapur put at ₹4.5 crore". The Hindu. 2022-12-14. Retrieved 2022-12-19.
  17. "At least four killed as Cyclone Mandous hits southern Indian state". Reuters. 2022-12-11. Retrieved 2022-12-19.
  18. IANS. "5 SL fishermen missing after cyclone Mandous". DT next. Retrieved 2022-12-19.
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