Yosemite, Yosemite Valley, Mariposa Madera Foothills and Mariposa-Madera Lower Sierra are included in an updated weather alert for strong thunderstorms by the National Weather Service on Thursday ...
They were deadly, destructive and came with little warning. Here’s what to know about the biggest floods in U.S. history. The extreme danger of floods When it comes to severe weather events, disasters ...