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Floods in Oman

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This is a list of recorded floods in Oman. Floods have occurred repeatedly in Oman since 1977 recorded in Muscat's Wadi Adai region. Over 50 significant flood events have affected the country. The National Centre for Statistics and Information (NCSI) reports increased frequency and severity over the past 20 years. Wadis like Wadi Adai, Wadi Kabir, and Wadi Dayqah which flow through the populated areas have caused flooding.

In the 20th century

  • The earliest recorded flood in Oman occurred in 1927 in Wadi Dayqah at Mazara and in Wadi Ibra.

In the 21st century

2021-Floods

  • On July 14, 2021, heavy rainfall occurred, particularly in the Ash Sharqiyah and Dhofar Governorates. The Civil Defence and Ambulance Authority (CDAA) issued alerts regarding flash floods. Between July 14 and 17, Sur City recorded a notable 204.4 mm of rainfall, which led to the evacuation of at least 30 families from their homes. ​The flooding caused multiple fatalities, including the deaths of two children in Jalan Bani Bu Hasan and Awqad, as well as a construction worker in Wadi Lizagh. On July 18, an additional casualty was reported, along with three individuals who were missing after being swept away in Jalan Bani Bu Ali. 17 individuals were rescued from their residences, and 5 were rescued from vehicles trapped in the floods in Sohar. The severe rainfall also resulted in power outages and road closures in Muscat. Meteorologists stated that these rainfall patterns were unusual for July, and forecasts indicated expected precipitation in the Dhofar region on July 20-21.

2022-Floods

  • In January 2022, Severe flooding affected Muscat, Al Batinah South, and Ad Dakhiliyah.On January 1, Oman's Civil Defence reported six fatalities and 20 rescues during the initial flooding. The situation worsened on January 3-4, with five individuals trapped in Wilayat of Bawshar, where 110 mm (4.33 inches) of rain fell in a few hours, equivalent to two months' average January rainfall. The Wilayat of Seeb recorded 108 mm (4.25 inches). One person was found deceased after being swept away in Wadi Surur.
  • Between July 5-7, 2022, flash floods affected several governorates in Oman. The floods were severed in Al Batinah South Governorate's Wilayat of Rustaq, where over 90mm of rain fell within 48 hours. One fatality was reported in Ad Dhakiliyah governorate, with four individuals rescued. In Rustaq, a road collapse trapped two people, who were later airlifted safely. A total of 4 lives were lost including three children. An Asian foreign national was swept away in Al Hamra, and two rescued children later died due to injuries.

2024-Floods

  • In April 2024, a flood occurred in the North Al Sharqiyah Governorate. The National Committee for Emergency Management reported that Al Mudhaibi received 90 mm of rain from April 14 to 15, with Marmul Airport recording 64 mm and Qalhat 59.2 mm. Emergency services, including the Royal Oman Police (ROP) and the Civil Defence and Ambulance Authority (CDAA), conducted rescue operations. Approximately 35 people were rescued in the Wilayat of Ibra, and 21 individuals were saved from a trapped school bus in Nizwa. The CDAA also rescued around 1,200 individuals from a school surrounded by floodwaters in Al Mudhaibi. The flood resulted in at least 18 fatalities, including nine schoolchildren and their driver, whose vehicle was washed away in Samad al Shan. Additionally, five individuals were reported missing, with the body of one missing child later recovered.

Flood Control Measures

The Ministry of Agriculture, Fisheries and Water Resources (MAFWR) in Oman conducted a flood risk management project from 2024 to 2026. The project addressed flooding in low-lying coastal areas and wadis due to sea-level rise and storm surges. It consisted of three stages: a 12-month data analysis, a 7-month mapping phase and a 5-month planning stage. Updated flood risk maps categorized areas into high, medium and low danger zones, informing emergency response. In April 2025, Muscat Municipality and MAFWR proposed 18 protection dams for vulnerable wadis.

References

  1. "Flood Studies in Oman and the Difficulties in Using Rainfall-Runoff Analysis". Researchgate.
  2. "Reasons for the occurence of Floods in Oman". Climate Change Knowledge Portal.
  3. "DESIGN FLOOD PEAKS, STANDARDS, AND WADI CHARACTERISTICS" (PDF). Openjicareport.
  4. "Oman - Floods (Met Oman, FloodList, media) (ECHO Daily Flash of 20 July 2021) - Oman | ReliefWeb". reliefweb.int. 2021-07-20. Retrieved 2025-01-08.
  5. Blašković, Teo (2021-07-18). "Unseasonal rains hit Oman, causing severe floods". The Watchers. Retrieved 2025-01-08.
  6. "Oman – Floods After 200mm of Rain Leave 4 Dead, Dozens Rescued – FloodList". floodlist.com. Retrieved 2025-01-08.
  7. Blašković, Teo (2022-01-04). "Extremely heavy rains cause deadly floods in Oman and Iran". The Watchers. Retrieved 2025-01-08.
  8. "Middle East – Deadly Floods in Oman and Iran – FloodList". floodlist.com. Retrieved 2025-01-08.
  9. "Overall Green Flood alert for Kuwait, Oman, United Arab Emirates in Kuwait, Oman, United Arab Emirates from 31 Dec 2021 01:00 UTC to 02 Jan 2022 01:00 UTC". www.gdacs.org. Retrieved 2025-01-08.
  10. "مسقط تسجل أضعاف معدلها الشهري من الأمطار صباح الثلاثاء 2022/01/4". www.arabiaweather.com (in Arabic). Retrieved 2025-01-08.
  11. "6 dead, over 20 rescued as rains lash parts of Oman". Times of Oman. Retrieved 2025-01-08.
  12. "Oman - Flash Floods (Royal Oman Police, Oman Meterology, FloodList, media) (ECHO Daily Flash of 08 July 2022) - Oman | ReliefWeb". reliefweb.int. 2022-07-08. Retrieved 2025-01-08.
  13. "Oman – Deadly Flash Floods After Days of Heavy Rain – FloodList". floodlist.com. Retrieved 2025-01-08.
  14. Heyman, Taylor. "Four dead and seven rescued in Oman as heavy rain causes flooding". The National. Retrieved 2025-01-08.
  15. http://bitwize.com.lb, Bitwize-. "Live Blog: Several parts of Oman witness heavy rains I Times of Oman". Times of Oman. Retrieved 2025-01-08. {{cite web}}: External link in |last= (help)
  16. "Oman – Dozens Rescued, 12 Dead After Heavy Rain Triggers Flash Floods – FloodList". floodlist.com. Retrieved 2025-01-08.
  17. Tawfeeq, Mohammed (2024-04-15). "At least 17 dead after flash floods in Oman". CNN. Retrieved 2025-01-08.
  18. "Heavy rains kill 18 in Oman as flash floods lash UAE". Al Jazeera. Retrieved 2025-01-08.
  19. UCL. "Was the flood disaster in Oman avoidable? | UCL Risk and Disaster Reduction Blog". blogs.ucl.ac.uk. Retrieved 2025-01-08.
  20. "Oman to Map All Flood-Risk Zones After Major Flash Floods". Oman Moments. Retrieved 2025-01-08.
  21. Tridwip (2024-08-26). "Firm appointed for flood risk management across Oman". Muscat Daily. Retrieved 2025-01-08.