1. Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Andy Bryant National Weather Service Portland, OR Willamette Falls at Oregon City, December 1964 Old Oregon Trail Hwy near Meacham, 1923 photo courtesy ODOT Portland Snow, 1917 City of Portland Archives October 1962 OregonLive.com Johnson Creek, 1961

2. Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events

3. El Niño La Niña Neutral NINO 3.4 SST Anomaly Map showing NINO regions in Equatorial Pacific

4. Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Climate Prediction Center / International Research Institute for Climate and Society Consensus Probabilistic ENSO Forecast

5. Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Temperature Precipitation www.cpcpara.ncep.noaa.gov

6. Temperature Precipitation www.cpcpara.ncep.noaa.gov

7. Temperature Precipitation www.cpcpara.ncep.noaa.gov

12. Top 10 snowiest winters: 34.0” 1968-69 El Niño 24.2” 2008-09 ENSO Neutral 22.4” 1955-56 La Niña 20.3” 1959-60 ENSO Neutral 17.4” 1992-93 ENSO Neutral 16.3” 1979-80 ENSO Neutral 14.7” 1970-71 La Niña 13.4” 1964-65 ENSO Neutral 12.3” 2003-04 ENSO Neutral 12.0” 1994-95 El Niño 10.5” 1953-54 ENSO Neutral 60% were ENSO Neutral 20% were La Niña 20% were El Niño 1950-2011 data

13. Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events 18 snow-shutout winters: (Trace or 0 snowfall) 8 were El Niño winters 7 were ENSO Neutral winters 3 were La Niña winter

14. Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events

16. Thank You!