Most of the tropical cyclones originated in the Arabian Sea, the portion of the Indian Ocean north of the equator and west of India.
In 2014, an archaeology team discovered evidence that a major flood affected Ras Al Hadd in eastern Oman, possibly the result of a tsunami or a severe storm.
[11][12] Gonu left US$4 billion in damage and killed 50 people, making it the worst natural disaster on record in Oman.
[13] In 2010, a slightly weaker cyclone named Phet caused US$780 million in damage and 24 deaths while crossing eastern Oman.
[14][15] Cyclonic Storm Keila in the subsequent year killed 19 people while looping near Oman's southern coastline,[16][17] and left US$80 million in damage.
[21] In June 1977, a storm struck Masirah Island, causing 105 deaths and becoming Oman's worst natural disaster in the 20th century.
[26] Although storms rarely strike Yemen,[6] back-to-back cyclones Chapala and Megh hit the country one week apart in November 2015.
[35] In 1995 and again in 1996, the remnants of a storm that hit Oman entered Rub' al Khali, or the Empty Quarter, of Saudi Arabia.