Southern Sierra Fires – 9/26/2021

***September 26 at 11:30am, Commentary from Chuck Ervin Windy mid-day update. While I was writing on KNP this morning, the Windy was making a major push up toward Tobias Peak.  About 4:30am the fire overran the communication site at Tobias peak, visible on the remote cameras stationed there.  It appears from the timelapse footage that … Read more

Southern Sierra Fires – 9/20/2021

9/20/2021 at 6am Briefing Map KNP Complex – Maps by Ryan Stephens, with commentary by Chuck Ervin. Below are maps of the KNP Complex burning in Sequoia National Park made from infrared data captured at 2306PDT (11:06pm) on September 19. IR Interpreter Alex Pincus log: Significant growth in the NNW section. Perimeter slightly grew to … Read more

Northern California Fire Weather and Fuels

UPDATE: 9/15/2021, 1:35pm Area Forecast Discussion National Weather Service Sacramento CA 134 PM PDT Wed Sep 15 2021 .SYNOPSIS… Chances of moisture (not a bunch) increasing with best chances on Sunday. Cooling definitely on track with coolest day Sunday. Some gusty winds possible early next with temperatures slowly rising. && .DISCUSSION… The cooling trend has … Read more

Dixie Fire – 9/9/2021

9/9/2021 at 3:30pm Here is IR mapping of the northwest corner of the fire, from 12:18pm on September 9. Some heat showing outside of yesterday’s spot fire near Butte Lake. EARLIER: 9/9/2021 at noon Here is the 10:30am 9/9/2021 perimeter for the northwest corner of Dixie, near Old Station showing spread since 8pm on September. … Read more

Caldor Fire – Fire Severity and 9/8/2021 Heat Maps

9/8/2021 at 7am Below is a morning report from our contributor ‘Tumbleweed,’ a retired wildfire captain. Also check out our latest Youtube video, which discusses the burn severity of the Caldor Fire.  IR from 22:40 (10:40pm) on September 7. Isolated heat has been removed for clarity on some pics. Clear areas do not indicate … Read more

Dixie Fire – 9/5/2021 Evening Update

People have been sending me stuff. Here is what it looked like on the Dixie Fire when a spot fire took off in heavy fuels with a good wind. Also it captures the mood for the last day of this crew’s roll on the fire. 9/5/2021, 8pm The same areas we’ve been talking about for … Read more

Dixie Fire – 9/5/2021 Morning Update

We just made a quick video about how forest thinning projects helped firefighters contain portions of the Dixie and Caldor Fires. If it is too chunky, maybe wait a few minutes for YouTube to post the HD version. Also, I’m aware about the missing audio. The missing section of audio shows different results of thinning … Read more

9/4/2021 – Dixie Fire Update

Video briefing for 9/4/2021   EARLIER: 9/3/2021, 9pm. A few pieces of new information from today: According to a trusted local source, the 2012 Reading Fire is too green to burn. The team is thinking about using napalm from a flamethrower to get it to go. I am assuming this would be along the lower … Read more

Dixie Fire – Firing Operations

8/31/2021 – 5pm. What’s going on up north of Westwood on the Dixie Fire? Three DC-10 tankers are flying there today. Also, what’s going on at Lake Davis? This post is all about firing operations. We are going to talk about why we do them, how we do them, what it takes to pull one … Read more

Dixie Fire – 8/30/2021

8/30/2021 – 10:30pm A huge run on the southeast side of the Dixie Fire today, a smaller run north of Silver Lake, and some activity in Genesee Valley. This post is about events that didn’t go the way firefighters wanted them to over past couple days. The intention here isn’t to trash firefighters who are … Read more

Northern California Fire Weather – 8/18/2021

Here is a weather forecast from a NWS forecaster that I got from the forums.wildfireintel.org website. Major takeaways: The offshore winds will continue for 48 hours, followed by a reversal to gusty onshore winds. These reversals will complicate firefighting efforts across the region. Farther out, there is potential for moisture from the Pacific Ocean to … Read more

Dixie Fire – 8/17/2021 Evening

Good evening. With a half million-plus acre fire, there is always something to report! Most fire we are looking at tonight is in locations that have been active for the past week, so let’s start the check-in. Today we got data from a Sentinel satellite orbit. This is like Christmas for map geeks. Here is … Read more