Although this is not an official cost estimate from federal, state or local authorities, it's an early attempt to quantify the scale of economic losses.

When storms roll in, water rushes downhill fast, gaining speed and force as it moves — often with deadly results.

Camp Mystic, a Christian girls' camp, reported that they lost 27 campers and counselors in the devastating floods, with 11 still missing. Several of the victims were from the Houston area.