A thin snowpack is making Northern California and the West vulnerable to major summer fires as forests dry quickly.
Fire activity is expected to be above normal in June for the Bay Area, Sacramento Valley, northern Sierra foothills, parts of the North Coast and much of northeast California, according to a forecast released Friday by the National Interagency Fire Center.
By July and August, the fire danger will expand to mountainous regions, including Tahoe, the Trinity Alps and southern Cascades. Summer fog is expected to take an edge off fire danger along the coast…