List of Arabian Peninsula tropical cyclones

Satellite image of Cyclone Gonu approaching the coast of Oman

The Arabian Peninsula has experienced the impacts of 55 tropical cyclones on record. For convenience, storms are included that affected Socotra, an island belonging to Yemen. Most of the storms formed in the Arabian Sea, which is the body of water in the Indian Ocean north of the equator west of India, although some of the storms originated in the Bay of Bengal off India's coast. Collectively, the storms have caused at least US$5.7 billion in damage and 1,642 deaths.

Of the storms impacting the Arabian Peninsula, the Sultanate of Oman has been affected the most, notably including Cyclone Gonu in 2007, which was the strongest storm to make landfall on the landmass, and the strongest storm in the Arabian Sea. The storm left US$4 billion in damage and killed 50 people, becoming the worst natural disaster on record in Oman. In 2010, a slightly weaker storm, Cyclone Phet, caused US$780 million in damage and 24 deaths while crossing eastern Oman. Cyclonic Storm Keila in the subsequent year killed 19 people while looping near Oman's southern coastline, also causing US$80 million in damage. The deadliest storm in the country was one in 1890 that killed 757 people, mostly due to severe flooding near Oman's capital Muscat. A storm in 1959 caused a shipwreck near southern Oman, resulting in the loss of the crew of 141; another storm in December 1998 killed 18 due to a shipwreck. In June 1977, a storm struck Masirah Island, causing 105 deaths, and becoming Oman's worst natural disaster in the 20th century. Other deadly storms include a storm in 2002 that killed nine and caused US$25 million in damage, and Cyclone Nilofar in 2014 which killed four people from its outer rainbands.

Neighboring Yemen has been struck by two severe cyclonic storms – tropical cyclones with winds of at least 89 km/h (55 mph) – on record. The first was a storm in May 1960, and the other was Cyclone Chapala in 2015, which itself was also the second-strongest cyclone on record in the Arabian Sea. Chapala earlier struck the offshore Yemeni island of Socotra, which was also hit by Cyclone Megh less than a week later. The two storms collectively killed 26 people in Yemen. The country's worst natural disaster on record was from a storm that earlier hit Oman, causing severe flooding in Yemen that caused US$1.2 billion in damage and 338 deaths. The second worst natural disaster in Yemen was from a weak depression in 2008 that killed 180 people and caused US$874.8 million in damage.

Climatology

Within the Indian Ocean north of the equator, tropical cyclones are tracked by the India Meteorological Department (IMD), as part of their duties being an officially designated Regional Specialized Meteorological Center.^[1] The American-based Joint Typhoon Warning Center (JTWC) also tracks storms in the basin on an unofficial basis.^[2] The Arabian Sea, which borders the Arabian Peninsula, typically spawns tropical cyclones in the southeastern portion of the body of water, offshore western India.^[3] About 48.5% of cyclones dissipate without making landfall, or moving ashore,^[4] and around one in three storms move toward the Arabian Peninsula.^[3] However, storms do not form in the western Arabian Sea due to cool sea surface temperatures,^[5] the result of strong winds from the monsoon,^[3] as well as dry air from the Arabian Peninsula.^[6]

The sultanate of Oman, located on the southeastern corner of the Arabian Peninsula, regularly receives the impacts of tropical cyclones, due to its long coastline along the Arabian Sea.^[7] On average, storms strike Oman every three years, mostly between Masirah Island and Salalah, and generally before June or after October.^[3][8] From 1943 to 1967, about 25% of Salalah's overall rainfall was from tropical cyclones.^[9] About once every five years, a storm affects the Dhofar region of southern Oman, and about once every ten years in Oman's capital Muscat.^[8] Between 1890 and 1996, 36 storms struck Oman, although some landfalling storms might be excluded from the historical record due to the lack of population centers.^[3] In addition, storm intensities at landfall have only been accurate since around 1979,^[7] and good record keeping began around 1970. 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 storm.^[10] Although storms rarely strike Yemen,^[6] back to back cyclones Chapala and Megh hit the country one week apart in November 2015.^[11]

List of storms

Pre–1900

• June 2, 1881 – A storm crossed Masirah Island and dissipated over southeastern Oman.^[12]
• June 1, 1885 – A cyclone moving westward through the Gulf of Aden passed just north of the Yemeni island of Socotra with rough seas and high winds. The storm later affected a ship just off the city of Aden, Yemen, which reported a Force 12 on the Beaufort scale, along with heavy rainfall and lightning.^[13]
• June 1889 – Curving westward away from India, a storm crossed the northern Arabian Sea and hit near the eastern tip of Oman.^[14] A computer prediction model estimated in 2009 that the storm would have produced waves of 10 m (33 ft) along the northeast Omani coast.^[7]
• June 5, 1890 – After entering the Gulf of Oman, a cyclone struck Sohar in northeastern Oman after passing just northeast of Muscat, where it washed ships ashore. There, the storm dropped 286 mm (11.3 in) of rainfall over 24 hours, the highest daily precipitation total in the nation's history. High winds wrecked many houses, and about 50 people died in Muscat and nearby Muttrah. Inland flooding downed thousands of date palm trees and inundated valleys. Nationwide, the storm killed at least 757 people.^[13]
• June 2, 1898 – A strong storm moved through eastern Oman, dissipating in the Gulf of Oman.^[15]

1900–1949

• May 2, 1901 – Curving northward, a storm passed just east of Oman before turning to the northeast and hitting Pakistan, producing high waves along the coast.^[7][16]
• November 2, 1906 – A tropical storm brushed the southern coast of Socotra.^[17]
• May 26, 1911 – A severe cyclonic storm struck Oman south of Duqm.^[18]
• May 27, 1916 – The Dhofar region of Oman was hit by a cyclonic storm.^[18]
• June 2, 1916 – Northeastern Dhofar was again struck by a cyclonic storm.^[18]
• October 13, 1921 – A long-tracked storm moving across India eventually moved ashore southwestern Oman.^[18][19]
• December 6, 1922 – Originating near Sri Lanka, a long-tracked cyclone brushed the north coast of Socotra with the equivalent of hurricane force winds, reaching at least 120 km/h (75 mph). It was the last storm to strike of that intensity to strike the island until 2015.^[20]
• June 6, 1927 – A dissipating storm moved ashore Oman south of Duqm.^[21]
• September 30, 1929 – Southeastern Oman was struck by a cyclone that quickly dissipated inland.^[22]
• October 25, 1948 – A storm moved through much of the eastern Arabian Peninsula, crossing from Salalah, Oman, and dissipating in the Persian Gulf near the United Arab Emirates.^[23] The storm dropped 156 mm (6.1 in) of rainfall in Salalah, which later contributed to a locust outbreak.^[6]

1950–1979

Satellite image of the 1977 Oman cyclone

• May 24, 1959 – The eye of a storm passed over southwestern Oman near Raysut. Wind gusts were estimated at 167 km/h (104 mph), and the barometric pressure dropped to 968 mbar (28.6 inHg). The storm cut power supply and wrecked many local houses.^[13] Salalah recorded 117 mm (4.6 in) of rainfall,^[3] with higher totals in the mountains, washing away the road connecting Slalah and Raysut. Offshore, strong waves destroyed several boats, including one dhow that had 141 people aboard.^[13]
• May 18, 1960 – A storm moved ashore eastern Yemen with winds of at least 89 km/h (55 mph), one of only two severe cyclonic storms on record to strike the country, along with Chapala in 2015.^[24][25]
• July 18, 1959 – After originating in the Bay of Bengal and moving across India, a depression moved ashore near Muscat.^[18][26]
• September 16, 1961 – A dissipating cyclone struck eastern Oman after moving southwestward from India.^[27]
• May 30, 1962 – A weak depression moved ashore Oman south of Duqm.^[18]
• May 26, 1963 – Passing southwest of Salalah, a landfalling storm in Oman dropped 230 mm (9.1 in) of precipitation in the town, accompanied by wind gusts to 111 km/h (69 mph).^[13]
• December 7, 1963 – A cyclonic storm moved ashore southeastern Oman,^[18] bringing gusty winds to Salalah.^[28]
• November 11, 1966 – A cyclone struck southwestern Oman and dropped 203 mm (8.0 in) of rainfall in Salalah, contributing to a locust outbreak.^[6][27]
• June 2, 1970 – Moving westward through the Arabian Sea, a depression passed just south of Masirah Island before dissipating onshore Oman.^[18][29]
• December 20, 1971 – A storm recurved to the northeast while brushing the southern coast of Oman.^[30]
• June 27, 1972 – A dissipating depression struck eastern Oman.^[31]
• July 2, 1972 – A weak storm moved ashore eastern Oman.^[32]
• October 24, 1972 – Curving westward, a storm moved across northern Socotra.^[33]
• May 27, 1973 – Moving westward through the Arabian Sea, a weak storm struck the Yemenese island of Socotra before dissipating offshore,^[34] although the storm's outer periphery affected the Arabian Peninsula coastline.^[35]
• May 21, 1974 – A weakening storm struck Ash Shihr in eastern Yemen.^[36]
• October 17, 1976 – Northern Socotra was struck by a weak tropical storm.^[37]
• June 13, 1977 – With sustained winds of 165 mph (105 km/h) and gusts to 230 km/h (140 mph), a powerful cyclone hit Masirah Island and progressed onto the Omani mainland,^[13] remaining the most powerful storm to strike the Arabian Peninsula until Cyclone Gonu in 2007.^[38][39] The winds damaged nearly every building on Masirah Island, including at the military base,^[13] while rainfall on the island reached 430.6 mm (16.95 in) in 24 hours, more than six times the average annual precipitation there. The total was the highest daily rainfall in the period from 1977 to 2003 nationwide.^[8] Slightly higher rainfall – 482.3 mm (18.99 in) – was reported at a station 40 kilometres (25 mi) northeast of Salalah.^[13] The cyclone was considered the worst disaster in Oman during the 20th century,^[40] causing 105 deaths.^[41]
• June 20, 1979 – A storm moved ashore near Masirah with a widespread area of gale force winds southeast of the center.^[42]
• September 25, 1979 – Originating over southern India, a storm crossed the Arabian Sea and made landfall in Oman southwest of Masirah Island.^[18][43]

1980–1999

Satellite image of the 1996 Oman cyclone

• August 10, 1983 – Unofficially named Aurora, a weakening tropical storm within the monsoon struck eastern Oman and rapidly dissipated inland.^[44]
• May 25, 1984 – A developing storm moved across Socotra before moving westward through the Gulf of Aden, the first storm on record to transit the body of water.^[45][46]
• October 3, 1992 – About 33 mm (1.3 in) of rainfall was recorded in Sur, Oman, while a storm moved ashore the country.^[47]
• November 1993 – A storm affects coastal areas of Oman.^[14]
• June 9, 1994 – A weakening storm dissipated after crossing the Omani coastline near Masirah.^[48]
• Late July 1995 – A monsoon depression moved through northern Oman, the United Arab Emirates, and the Empty Quarter – Rub' al Khali – of Saudi Arabia. Rainfall reached 300 mm (12 in) on Jebel Shams mountain in Oman.^[49]
• June 11, 1996 – A tropical storm struck southeastern Oman, killing one person in a fishing boat, and causing flooding in isolated areas.^[3] The remnants entered the Empty Quarter of Saudi Arabia and later progressed into Yemen, where it produced the nation's worst flooding on record.^[50] The heaviest rainfall in 70 years, reaching 189 mm (7.4 in) in Ma'rib,^[3] washed away or damaged 1,068 km (664 mi) of roads and 21 bridges,^[51] some of them dating back 2,000 years.^[3] At least 1,820 houses were destroyed,^[52] and there were 338 deaths in Yemen,^[52] with overall damage estimated at US$1.2 billion.^[53] Stagnant floodwaters caused a locust outbreak in August 1996 that affected Saudi Arabia for the next three months.^[3]
• December 17, 1998 – Rapidly weakening, a storm hit eastern Oman,^[54] killing 18 people after sinking a ship.^[55]

2000–2009

Road damage in Muscat, Oman due to Cyclone Gonu

• May 10, 2002 – A landfalling storm in Oman dropped torrential rainfall – reaching 251 mm (9.9 in) in Qairoon^[56] – which drowned hundreds of cattle and swept away several cars.^[57][58] The storm caused $25 million in damage and nine fatalities,^[56][57] including two soldiers and one police officer who drowned while rescuing other people.^[59]
• June 6, 2007 – Cyclone Gonu – the strongest on record in the Arabian Sea^[60] – made landfall in extreme eastern Oman near Ras al Hadd with winds of 150 km/h (90 mph),^[7][61] making it the strongest tropical cyclone on record to strike the Arabian Peninsula.^[62] The storm produced winds of 100 km/h (62 mph) in the capital Muscat,^[18] with a peak gust of 180 km/h (110 mph) at Qalhat. Heavy rainfall occurred in the eastern portion of the country, peaking at 943 mm (37.1 in) on Asfar Mountain.^[7] The storm prompted the country's main oil port – Mina al Fahal – to close for three days,^[63] while also causing widespread water and power outages.^[64] The storm damaged 25,419 houses and over 13,000 vehicles.^[7] Gonu killed 50 people and caused US$4.2 billion in damage in Oman, making it the worst natural disaster on record in the country.^[18] Hundreds of people in the United Arab Emirates had to evacuate due to high waves from Gonu.^[65] The storm later crossed the Gulf of Oman and struck Iran.^[18]
• November 1, 2007 – The outer convection of a dissipating deep depression spread to the Omani coast.^[66]
• June 7, 2008 – A dissipating depression brought locally heavy rainfall to Oman.^[67]
• October 24, 2008 – A weak depression moved ashore southern Yemen,^[60] producing heavy rainfall that led to severe flooding.^[68] Throughout the country, the floods destroyed 2,826 houses and damaged another 3,679, leaving about 25,000 people homeless. The effects of the flooding disrupted the livelihoods of about 700,000 resident. Overall damage was estimated at $874.8 million, although residual losses from damaged infrastructure were estimated to cost an additional $726.9 million. The overall economic impact of the storm was therefore estimated at $1.638 billion, equating to roughly 6% of the country's gross domestic product.^[69] The depression killed 180 people in the country.^[60] It was the second worst natural disaster on record in Yemen, following the 1996 storm.^[6]

2010s

Cyclone Chapala over the Gulf of Aden

• May 23, 2010 – Cyclonic Storm Bandu drifted in the Gulf of Aden, bringing heavy rainfall to Yemen.^[70] The storm destroyed several houses on the offshore island of Abd al Kuri, killing one girl.^[71]
• June 3, 2010 – Cyclone Phet made landfall in eastern Oman with winds of 120 km/h (75 mph) northeast of Masirah, taking what the IMD described as one of the longest and rarest tracks in the basin; the storm later turned to the east and struck Pakistan. In Oman, the storm dropped heavy rainfall and produced strong wind gusts, which temporarily stopped oil production.^[70] Phet damaged roads and power lines,^[72] and washed away hundreds of cars. Damage was estimated at 300 million rials (US$780 million),^[73] and there were 24 deaths in the country.^[70]
• November 2, 2011 – Cyclonic Storm Keila looped over Oman north of Salalah before re-emerging over open waters, a rare occurrence according to the IMD.^[74] The storm dropped heavy rainfall reaching about 700 mm (28 in),^[75] the equivalent to one year's worth, which caused flooding in the normally arid areas.^[76] The storm killed 14 people in Oman and injured 200,^[74] mostly in the country's north from flash flooding.^[75] Another five people drowned in a shipwreck offshore, with nine missing.^[77] Damage was estimated at US$80 million.^[78]
• November 10, 2011 – A depression dissipated offshore southern Oman, producing 40 mm (1.6 in) of rainfall.^[75]
• October 31, 2014 – The outskirts of Cyclone Nilofar caused flash flooding in Al-Rustaq in northeastern Oman, killing four people after a vehicle was swept away in a flooded wadi, or dry river bed.^[79]
• June 12, 2015 – Dissipating Cyclonic Storm Ashobaa falters off the east coast of Oman, dropping 231 mm (9.1 in) of rainfall on Masirah Island in 24 hours, equivalent to 10 times the average June rainfall. The storm caused flooding and forced schools to be closed.^[80]
• November 3, 2015 – After becoming the second-strongest storm on record in the Arabian Sea,^[6] Cyclone Chapala became the first recorded storm to make landfall in Yemen as a very severe cyclonic storm – the equivalent of a hurricane – when it struck Ar Riyan with winds of 120 km/h (75 mph).^[11][24] It moved offshore and made a second landfall west of Balhaf.^[6] The storm earlier hit the offshore Socotra Island, killing 11 people while dropping the equivalent of 10 years of rainfall, estimated from 460 to 610 mm (18 to 24 in).^[11] On the Yemen mainland, satellite imagery suggested Chapala dropped the equivalent of several years' worth of rainfall, estimated at over 250 mm (9.8 in).^[6] On the mainland, the storm severely damaged 444 houses and wrecked primary roads in Hadhramaut Governorate.^[81] Nationwide, the storm displaced over 50,000 people, including 18,000 on Socotra.^[24] Chapala struck in the midst of an ongoing civil war.^[82]
• November 8, 2015 – Just days after the previous cyclone, Cyclone Megh brought additional rainfall to the offshore Yemenese island of Socotra, killing two people.^[11] Two days later, Megh struck the Yemen mainland northeast of Zinjibar with winds of 55 km/h (35 mph).^[83] Collectively, Megh and the earlier Chapala killed 26 people and injured 78 in Yemen.^[84]

Climatological statistics

Number of recorded storms affecting the Arabian Peninsula Month Number of storms May 11 June 17 July 3 August 1 September 3 October 7 November 8 December 4 Number of recorded storms affecting the Arabian Peninsula Period Number of storms 1800s 5 1900–49 10 1950s 2 1960s 5 1980s 2 1990s 6 2000–2009 5 2010s 8

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