This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. California’s two largest reservoirs are at critically low levels, signaling that the state, like much of the US west, can expect a searing, dry summer ahead. This week, officials confirmed that Lake Oroville, the state’s second-largest reservoir, was at just 55 percent of its total capacity when it reached its highest level for the year last month.