Overview

• New orders cover POP-E002-C and POP-E001-B, which includes the historic Aetna Springs Resort, with warnings maintained for nearby zones as the fire advances east.
• Cal Fire reports the blaze remained within established control and contingency lines overnight, supported by night-flying helicopters, dozers, and expanded engine strike teams.
• Air-quality officials kept an advisory in effect through Saturday for Napa, Sonoma and Solano counties due to smoke from the fire.
• Officials say the fire is burning in steep, remote terrain and has generally moved away from Calistoga, with no injuries or structure losses reported.
• The cause is under investigation as crews focus on strengthening the right flank near Friesen Drive and toward Ink Grade after growth mapped to approximately 4,690 acres.