washington state last month burned 88,000 acres, and 13 large fires continue to burn there, including the okanogan, state's history. in oregon right now, four major fires are keeping firefighters busy there, and in california, scientists today discovered a new concern -- the sierra nevada snow pack is the lowest it's been in 500 years, which means little water will run off to help with drought conditions. with no end to the hot, dry temperatures in sight, governor jerry brown has declared a state of emergency. >> we'll see the same thing in coming years, only more exaggerated and more spence. >> reporter: as it starts to drizzle now, it's almost impossible to exaggerate the devastation that is middleton. at this apartment complex, there are 50 units. every one of them has been leveled. scott, california has seen 1,600 normal years. >> pelley: with more to come, david, thank you. tonight austria is rushing troops to its borders, one of several european nations imposing an emergency lockdown. thousands of refugee families are pouring into europe, fleeing war and poverty in the middle east and north