(Roseburg, OR)  --  Firefighters are battling a slew of blazes in Oregon's Umpqua National Forest.  A lightning storm Tuesday night triggered 15 different fires in the Umpqua Basin, stretching from the south to the north ends of the area.  The largest fire was reported at 100 acres.  A Forest Service spokeswoman says they're not out of the woods yet, with fire danger still extreme and red flag warnings posted through Friday.