The October Fire Siege 2007. California DPA. Of California’s 100 million acres approximately: 1/3 Federal 1/3 State 1/3 Local. The Conditions 10~20~2007 – 10~22~2007. Santa Ana Wind Event Sustained wind speeds – 40-60 MPH Wind gusts – up to 100 MPH
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Santa Ana Wind Event
Sustained wind speeds – 40-60 MPH
Wind gusts – up to 100 MPH
Fuel moistures dropped to single digits – 9%-12%
Conditions following years of low precipitation
A Hazardous Fuels Advisory had been issued by both the Forest Service and CalFire due to dead and dying trees and brush from frost kill, disease, and insect infestation
Ranch Fire – LA County – 2142 Hrs
In addition to the large fires between Oct 20th -25th, there were 251 vegetation fires started in the GACC that were caught on initial attack.
Southern 4 National Forests: 6
San Bernardino: 30
Los Angeles: 9
San Diego: 45
The Southern California GACC mobilized a massive amount of personnel in a short period of time.
They mobilized more than the 6 day 2003 fire siege in about a 2-3 day timeframe.
They also mobilized and utilized more and different types of equipment than in 2003.
Largest mass evacuation in California history.
Worse conditions, but less damage and loss of life than 2003.
Strike Teams/Task Forces: 263
Overhead personnel: 1,707
Total firefighters: 15,616