Dianmu then strengthened Cause_change_of_strength to a 285 km/h ( 180 mph ) typhoon , making it Causation one of nine typhoons to reach Arriving that intensity since 1990 and equaled Cause_change_of_position_on_a_scale its power with Typhoon Chaba as the strongest typhoons of the 2004 season .

With a volumetric flow rate that temporarily equaled the average flow Motion rate of the Mississippi River , the flood killed Killing more than 2,200 people and accounted for $ 17 million of damage Damaging ( about $ in dollars ) .