Many camps in the Guadalupe river region are adjacent or are partially inside high-risk flood zones, according to maps from the Federal Emergency Management Agency.

A weekend deluge in Texas caused catastrophic flash flooding that has killed at least 89 people, with the numbers expected to rise. Following a long Fourth of July weekend which should have been full of joy and fun, Texans are assessing the damage and searching for those who are lost.

The heavy rain that turned a river in Texas into a raging wall of water was fueled by unique atmospheric conditions, according to meteorologists and climate scientists.

A combination of steep terrain, shallow soil and a moisture-laden weather system that stalled over the Texas Hill Country caused the flash floods that killed at least 79 people Friday. The weather system that caused the flooding was fueled by moist air from the coastal plain that swept up the Hill Country’s steep cliffs,

More flooding is possible Monday in the already devastated region of Central Texas where historic flash floods swept away homes, cars and camps over the Fourth of July holiday weekend.