Shasta-Trinity National Forest
U.S. Forest Service
3644 Avtech Parkway
Redding, CA 96002
The Hirz Fire is 100 percent contained. Firefighters will continue to patrol the fire perimeter to ensure the fire stays within containment lines. Additional crews will continue suppression repair efforts in affected areas. Area, road, and trail closures remain in effect due to contained suppression repair work and additional hazards like snags. This incident will no longer be updated unless significant events require it.
Last Update September 13: Update | Map
Recreation Area Closures: view September 13, 2018 update
|Current as of|
|Date of Origin||Thursday August 09th, 2018 approx. 01:55 AM|
|Location||18 miles northeast of Redding, CA|
|Incident Commander||Jay Kurth, CIIMT4 Nick Truax, CAL FIRE|
|Coordinates||40.891 latitude, -122.228 longitude|
|Percent of Perimeter Contained||100%|
|Estimated Containment Date||Wednesday September 12th, 2018 approx. 12:00 AM|
Timber (Litter and Understory)
Chaparral (6 feet)
Tall Grass (2.5 feet)
The fire footprint is in oak woodland/brush and mixed conifer on the upper slopes. Plantations and areas of untreated slash are present on private timber lands.
Fire activity was very limited with isolated interior islands of fuel consumption.
Suppression repair activities will continue on dozer lines, handlines and roads.
|Projected Incident Activity|
12 hours: A weak inversion coupled with good relative humidity recovery is expected this evening, minimizing fire behavior. Any fire spread remains unlikely on the Hirz Fire.
24 hours: Fire activity will remain minimal. Fire growth is unlikely with little threat to the perimeter. Isolated interior unburned islands will continue to smolder and creep.
48 hours: Fire activity will remain minimal. Fire growth is unlikely with little threat to the perimeter. Isolated interior unburned islands will continue to consume.
72 hours: Weather conditions and increasing time since areas were impacted by fire will contribute to a ours. continued decrease in fire behavior. Additional fire growth is unlikely.
Anticipated after 72 hours: Weather conditions and increasing time since areas were impacted by fire will contribute to a continued decrease in fire behavior. Additional fire growth is
Resources from the Hirz fire are supporting the Delta Fire as needed.
Area, road and trail closures remain in effect due to continued suppression repair work and additional hazards like snags.
This is the last 209 for the Hirz Fire. Subsequent 209s will be submitted for significant events. A final 209 will be submitted at a later date.
Observed as of 1500: High temperatures were 65-70 along the ridges and 75-80 in the lower drainages. Relative humidity ranged from 25-30 percent along the ridges to 20-25 percent in the lower drainages. Winds were breezy this morning with gusts between 21-28 mph from the north-northeast and north-northwest. The winds gradually weakened through the morning and turned out of
the southwest with gusts to 13 mph during the afternoon. Over the remainder of the fire, downslope winds in the morning became upslope in the afternoon.
Forecasted: Patchy smoke will be trapped under a weak inversion. An isolated shower with a rumble of thunder will be possible in the evening hours, but wetting rain is not expected. Overnight lows will be in the 30s and 40s across the fire area, with the coldest spots on the ridges. Relative humidity recovery will be good with 75-80 percent on the ridges and 78-83 percent in the lower drainages. South-southwest mid slope to ridgetop winds will become north by midnight with downslope winds developing elsewhere.
On Thursday, mostly cloudy skies with a 10 percent chance of a shower in the morning will become partly cloudy during the afternoon. North mid slope to ridgetop winds in the morning will become south-southwest by early afternoon. Highs will be63-68 along the ridges and 73-78 in the lower drainages. Relative humidity will bein the 22-32 percent range across the fire.