From the moment it began on a Cobb-area property — as a spark, authorities say, from shoddy wiring leading to a hot tub — until firefighters declared it fully contained four weeks later, nearly everything about the Valley fire was overwhelming, according to those who experienced the blaze and fought a heroic battle to slow its spread.  Within hours, there was a flood of refugees — up to 20,000 displaced people at the fire’s peak. In the days that followed there was an outpouring of aid and donations, a volume so great that Lake County Sheriff Brian Martin called it the Valley fire’s “second disaster.” Read more here: One Year Later: Hard Lessons From Valley Fire Gird Lake County for Next Disaster