According to NRRMC, the whirlwind occurred at Zone 9 and 10, Bulua, Cagayan de Oro at around 3:10 p.m. on July 29, 2011.
"There was sudden occurrence of funnel-shaped strong winds from the sky down to the ground in powerful twisting motion that rapidly devastated houses along its path," NDRRMC described the incident.
Twenty-two (22) families were reportedly affected by the Cagayan de Oro whirlwind incident. Those hurt were immediately brought to the Cagayan de Oro City Hospital for treatment.