Caltrans warning caution signage in front of the raging kern river in Kernville California stopping pedestrian traffic with debris laying around

caltrans warning caution signage kern river kernville california pedestrian traffic debris raging river safety road safety public safety hazard road sign danger warning sign flash floods natural hazards kern county flood warning high water levels restricted access swift water barricade hazardous conditions road closure hazardous area watch your step no trespassing blocked pathway riverbank slippery surface falling debris restricted entry water current safety precautions flooding risk river conditions extreme caution emergency preparedness waterway roadside warning california roads natural disasters end of times