This have not happened before The Shahin Gulab cyclone flooded the desert. Oman

Tropical Cyclone ShaheenGulab made landfall between Al Masnaah and AlSuwaiq, Oman, about 80 km (50 miles) WNW of the capital city of Muscat on October 3, 2021, with maximum sustained winds between 120 and 150 km, h (75 93 mph). Shaheen brought extremely heavy rains and waves up to 10 m (32 feet). Tropical cyclones have previously hit northern Oman, but none came as far west as this one. Schools have been closed, flights suspended and thousands of people evacuated from coastal areas in Oman ahead of the storm. Shaheen has brought torrential rains and flash flooding to a desert climate, in some cases dumping a years worth of rain or more in a single day. Al Amarat in eastern Muscat received 136. 6 mm inches) of rain in the 24 hours to 12:00 UTC on October 3, while Muscats Seeb International Airport recorded 73 mm inches) in the 24 hours to 15:00 UTC. The average October rainfall for Muscat is 0. 8 millimeters inches), and the average yearly rainfall is 89. 7 mm in