The American fire ledger — PL3 held, the count crept up, fire weather eased
ACTIVE · September 17, 2026 · NO. 0917
THE FIRE WEATHER
Preparedness Level 3 held with 61 uncontained large fires, up from 58, on a year to date of 56,042 fires and 8.51 million acres — 126 and 147 percent of the ten-year average. Fire weather eased slightly: Red Flag 2 to 1, in Nevada. The ledger creeps; the posture does not move.
THE RECORD
20 turning points on record since Jul 24 — the 8 most recent shown.
Sep 16easing → active
Sep 15↑ firmed
Sep 13active → easing
Sep 12easing → active
Sep 11▽ eased sharply
Sep 8active → easing
Aug 28↑ moved up the board
Aug 27↑ became confirmed
WHO IT TOUCHES
Energycooling load in one hemisphere, heating load in the other, and a hydropower release running to a published plan