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2020: ODF History 1911-2020 541,444 Protected Data from 1911-1998: Wolf, Gibson, Zybach Archives ODF Data from 1999-2020: ODF FiresDB; 2020 data from NWCC and ODF Protected Number Acres Burned Large labeled for reference: NIFC, Zybach @ NW Maps Co. 2014 Acres Burned PDO and Data from ODF / Mgmt Acres YTD of Fires 350,000 Acres Burned - Drought Year 2,000 2020: 1933: Beachie Creek 1932: Tillamook Human Fires Lionshead Salmonberry #2 #1 Holiday Farm Fires Riverside 1,800 300,000 1939: NCascades Tillamook Burn 10Yr Trend - Acres Burned Complex #2, S Obenchain Saddle Mtn Archie Creek 1,600 1924: 10Yr Trend - Number of Fires Salmonberry #1 2018: 250,000 1936: Taylor 1,400 Bandon Creek/ Klondike, 1922: South Valley Cedar Road, Watson Falls Creek, 1,200 200,000 1918: Ramsey Canyon Greenhorn 2017: 1951: Chetco Bar, 1,000 Tillamook Burn #4 Eagle Creek, 2013: 150,000 Horse Prairie Douglas 1945: Complex, 2015: 800 1987: 2002: Tillamook Burn #3 Big Windy Canyon Douglas Complex #1, Biscuit, Complex, Creek Bland Mtn #1, Tiller Complex, 1996: Whiskey Complex, Silver Timbered Rock Ashwood/ Stouts 600 100,000 Donny Brook, Creek 1911: ODF Wheeler Point, 2007: Charlton Fire 2001: Egley, Established (1988: Monument Irish Springs, 1966: Yellowstone Complex, Lovelett Creek, 400 Oxbow 1994: Fire, Ironside/ (Thirty Mile) 2014: 50,000 (1980: Wyoming) Little Baldy Mt. St. Helens, 2003: Complex Volcanic Eruption, 1992: B & B 200 Washington) Lone Complex 2019: Milepost 97 1765 Millicoma, Coos 450K Acres 350K Acres ‐ 1849 Yaquina I, Lincoln County ‐ Nestucca, Tillamook County 1853 1865 Silverton, Mario 125 1868 Coos, Coos County ‐ 239K Acres 1902 Yacolt (Skamania County, WA) ‐ (Idaho‐) 3M Acres Burn 1910 The Big

0 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 0 Pre‐1911 Very Large & Other Fires

1941: Advancements in : , fixed wing, fire 1990: Interagency Fire 2006: 1911: Firefighting 1969: Oregon Forestland 1985: ICS 1933: CCC Keep retardant, aerial photography Protection Fund Crew Agreements Severity 2019: Oregon Program 2013: 1927: Walker Governor's 1935: USFS Green Oregon Range FPA Advs in 1910: Coos FPA 10AM Policy 1956: 1st Fire Team Wildfire ony‐100K+ Acres n County ‐ ony 200K Acres County ‐ Dispatch: Coos FPA 1973: Wildfire Policy 1988: BLM Contract Detection Protection Council Cassidy Creek Fire Act 1912: Douglas FPA 2004: 1st Firewise Community: Warm

ce,YqiaI 300K K Acres, Yaquina II ‐ 1969: Smoke Management Program Fall River Estates, Phase Deschutes County 2014 -> Warm Phase 1925 - 1946 Cool Phase 1947 - 1976 Warm Phase 1977 - 2006 Cool Phase Cool Phase Temps Temps warm over Temps cool over North America Temps warm over North America (1890) - 1924 2007- 2014 warm Temps cool Temps cool over N. over N. America Pacific Decadal Oscillation (PDO) Phases over N. America Americas

Drought determination is based on Palmer Hydrological Drought index of 2.0 (moderate drought) or greater in 3 or more of 9 Oregon sub-regions in any given year. Fire data shown are ODF-Protected Acres Burned from Statistical fires where ODF was the primary protection agency. Historical large fire names are shown for context above the year of occurrence. PDO: During a warm or "positive", phase, the west Pacific becomes cooler and part of the eastern ocean warms; warm over North America. During a cool or "negative" phase, the west Pacific Ocean becomes warmer and part of the eastern ocean cools; temperatures cool over North America. ODF Wildfire Intelligence Analyst 10/29/2020 TzA