The rains began late Monday, soaking the sands and roadways of Dubai with some 20 millimeters (0.79 inches) of rain, according to meteorological data collected at Dubai International Airport. The storms intensified around 9 a.m. Tuesday and continued throughout the day, dumping more rain and hail onto the overwhelmed city. By the end of Tuesday, more than 142 millimeters (5.59 inches) of rainfall had soaked Dubai over 24 hours. An average year sees 94.7 millimeters (3.73 inches) of rain at Dubai International Airport. Standing water lapped on taxiways as aircraft landed. Arrivals were halted Tuesday night, and passengers struggled to reach terminals through water-covered roads.
