These dates conventionally delimit the period of each year when most tropical cyclones form in the northern Indian Ocean.
An average of four to six storms form in the North Indian Ocean every season with peaks in May and November.
On May 24, a United States Weather Bureau reconnaissance aircraft flew into the 19 km (12 mi) eye of the storm, encountering winds of 193 km/h (120 mph).
Later in the day, winds increased to gale force and a sandstorm reduced visibility to 400 metres (1,300 ft).
Later in the day of May 26 winds again increased to gale force and another sandstorm reduced visibility to 500 metres (1,600 ft).
Late on the night of the 26th, winds shifted to northeast and heavy rains fell across the region through the morning hours.
[10] Produced torrential rains over parts of eastern India, peaking at 910 mm (36 in) in Cherrapunji.