Ochoco National Forest
U.S. Forest Service
3160 NE Third Street
Prineville, OR 97754
|Current as of|
|Date of Origin||Sunday August 16th, 2020 approx. 02:30 PM|
|Location||8 miles south of Post|
|Incident Commander||Adam Barnes|
|Coordinates||44.039 latitude, -120.528 longitude|
|Percent of Perimeter Contained||100%|
Timber (grass and understory), brush (2 feet), and light logging slash
Minimal creeping, smoldering
Secure and hold existing lines,continue mop-up and suppression repair.
|Projected Incident Activity|
Temperatures remain seasonable, however relative humidity values continue an incremental (1-2 percent per day) decline. Consecutive evenings of poor humidity recovery combined with single digit daytime humidity values have the potential to produce moderate fire behavior in unburned islands where continuous fuel exists. Expected fire behavior will consist primarily of creeping and smoldering. Expect continued consumption of large diameter fuels where unchecked.
A ridge of high pressure delivered more clear skies and dry conditions to the fire today. The relative humidity values only climbed to 34% overnight and fell as low as 13% during the day. The relative humidity has now been below 40% since early Wednesday morning. Warming conditions were also observed with afternoon highs peaking in the lower to middle 80's. The dry and warm conditions were tempered by relatively light terrain driven winds. The peak wind gust observed on the fire were 10 mph or less.
The period of sub-40% relative humidity values will continue tonight and into Saturday, but the main highlight will revolve around a strong and dry cold front. The front is scheduled to arrive late Saturday afternoon and will bring a period of windy conditions persisting through the evening. Wind gusts of 20 to 25 mph are expected over exposed ridges with slightly weaker values over lower portions of the fire. High temperatures will be in the lower afternoon into the evening due to the combination of strong winds coupled with lower relative humidity values.