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

When the precipitation intensified in the early morning hours Friday, many people failed to receive or respond to flood warnings at riverside campsites known to be in the floodplain.

KERR COUNTY, Texas – The Hill Country flood, marked by unprecedented rainfall and unfortunate timing, has become one of the deadliest floods in Texas history, with its swift waters catching many off guard in the dead of night.