As rescuers in Texas search for survivors of the deadly flooding, CBS News is learning the worst-hit areas saw 12 inches of rain per hour in the early morning of July 4. For more on why this storm was so intense,

A Christian girls' summer camp in central Texas said on Monday that at least 27 campers and counselors were among those who perished in the catastrophic flooding over the July 4 weekend, while emergency responders still searching for dozens of missing people faced the prospect of more heavy rains and thunderstorms.

Meanwhile, anguished parents waited for word on the 10 young campers still missing from Camp Mystic, which was hit hard by floodwaters.