nbc's michael owe -- oku joins us from davenport in the santa cruz mountains. michael. >> reporter: the air is thick with smoke. all afternoon ash has been raining from the sky. the very big concern at this hour, the erratic winds that stoked this wildfire last night. and are expected to return to whip up the wind here again late this afternoon. authorities have begun mandatory evacuations, making reverse 911 calls to more than 2,000 people in communities just inland from the pacific ocean. over 300 fire fighters are attacking the blaze, which has now burned more than 2,800 acres of steep, hard-to-reach terrain. there are now five large wildfires burning in the state of california. charring some 90 square miles. officials say this one is zero percent contained, ann. >>> michael okwu tonight, thank you. >>> also in california tonight, a vivid reminder of the need for affordable health care in this country. tuesday we reported on a group of doctors offering free care at a alth fair. since then, the demand for their services has become even more overwhelming. nbc's