Journal Special entry
Floriston: what a fire response on this river actually looked like
A special Journal entry, not the daily gauge record. Retrospective of the Floriston Fire from ignition on September 16, 2026, through mop-up the following week. Written once the arc was mostly known.
Special retrospective, published Wednesday, September 23, 2026. Permanent URL.
The Floriston Fire started at 10:01 a.m. on Wednesday, September 16, 2026, at Interstate 80 and Floriston Way, nine miles northeast of Truckee. That is CAL FIRE's clock. Within the first hour the incident page said the fire was threatening the interstate, the Truckee watershed, and nearby natural resources. CAL FIRE went into unified command with the Tahoe National Forest that morning, then with the California Highway Patrol and the Nevada County and Sierra County sheriffs as the fire grew.
The first air was already working before the fire had a published acreage of any size. A YubaNet incident log, built from radio traffic that morning, has two helicopters on scene when Air Attack 230 and Tankers 88 and 89 arrived from the Grass Valley Air Attack Base, in the same Nevada County as the fire. At 10:49 a.m. that log says a forest hand crew had mobilized. This site does not name that crew. The Tahoe and Truckee country has more than one interagency hotshot crew with a similar name, and no second source confirmed which one rolled.
The scale-up has a timestamp. At 1:14 p.m., still on that YubaNet log, the incident commander asked for 10 more water tenders, four engine strike teams, four dozer strike teams, and overhead. Eight minutes later CAL FIRE posted the order it was willing to put on the public page: 20 engines, eight dozers, 10 water tenders, and 12 hand crews.
Overnight the fire left initial attack. CAL FIRE says the Sacramento Regional Incident Management Team took command at 7 a.m. Thursday, September 17. That name is on the incident page itself, not only on a single news log. The same page lists unified command with the California Highway Patrol, Humboldt-Toiyabe National Forest, and Tahoe National Forest. On Tuesday, September 22, CAL FIRE said that team handed the fire back to the local agencies at 7 a.m.
The resource block still on CAL FIRE's incident page is the closest thing this fire has to a final public tally: 1,175 personnel, 62 engines, 25 water tenders, 8 helicopters, 3 dozers, and 34 crews, plus air tankers as conditions allowed. CAL FIRE also posted that a Union Pacific fire train with 100,000 gallons of water was used because it sat close to the burn. That is water on a train, not a statement that the tenders or the aircraft filled from the Truckee, Tahoe, or a named hydrant.
Where it stands now is a two-clock reading. NIFC's current interagency perimeter, as of Monday, September 21, lists Floriston at 622 acres and 96% contained. CAL FIRE's incident page, last updated Tuesday, September 22, held the same 622 acres and 95% contained. Both say the fire has sat inside that footprint for days. It is nearly out.
Nothing in those records answers which water body a tender, a helicopter, or a tanker actually drew from. The honest close is the same as the live Fire chapter: this entry can show how a basin fire scaled, from two helicopters to more than a thousand people. It cannot show the gallons.