http://www.jamul.com/wp-content/uploads/2011/12/Deerhorn_courtesy.jpgCALFIRE SAN DIEGO reports that a large fire is burning 20 miles south of the border in Mexico.  Smoke is visible from Deerhorn Valley and other parts of East County.  CalFire tweeted that it poses no danger to the US at this time.  The plume is also visible from the Lyons Peak camera (East view to the far right): http://hpwren.ucsd.edu/cameras/LyonsPeak.html