More than an hour passed between Camp Mystic receiving a severe flood warning and a decision to evacuate young campers asleep in cabins by the Guadalupe River.

SAN ANTONIO - New details on how the flooding and evacuation unfolded at Camp Mystic.A camp spokesperson tells The Washington Post that Executive Director Dick

Bubble Inn saw generations of 8-year-olds enter as strangers and emerge as confident young ladies equipped with new skills from the great outdoors and lifelong friends – bonds that would one day prove vital in the face of unfathomable tragedy.

Radar data can estimate rainfall to a fairly accurate amount. The rain data in the case of the deadly tragedy that unfolded in the Texas Hill Country last weekend shows exactly why the area around Camp Mystic and the Guadalupe River, outside of San Antonio, had such a raging flash flood.

Search crews are watching high river levels in hopes that conditions will improve enough for them to resume looking for flood victims in Texas

With the death toll from the catastrophic floods in the Texas Hill Country now topping 130 people, heavy rain further complicated the search for the missing. It comes as NBC News has learned new details about the response at Camp Mystic as floodwaters were rising.

The torrents that washed away so many Texas lives have brought a flood of volunteers in their wake. And for those picking up the pieces, those volunteers have brought hope to a devastated landscape.

Major flooding is expected for parts of Texas near the Frio River, the National Weather Service warns. See which counties are at risk Monday.