building community resilience in the face of increased vulnerability to extreme weather & water...
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Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Andy BryantAndy BryantNational Weather ServiceNational Weather ServicePortland, ORPortland, 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
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
El NiñoEl Niño
La La NiñaNiña
NeutraNeutrall
NINO 3.4 SST AnomalyNINO 3.4 SST Anomaly
Map showing NINO regions in Equatorial Map showing NINO regions in Equatorial PacificPacific
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Climate Prediction Center / International Climate Prediction Center / International Research Institute for Climate and Society Research Institute for Climate and Society
Consensus Probabilistic ENSO Consensus Probabilistic ENSO ForecastForecast
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
TemperatureTemperature PrecipitationPrecipitation
www.cpcpara.ncep.noaa.govwww.cpcpara.ncep.noaa.gov
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
TemperatureTemperature PrecipitationPrecipitation
www.cpcpara.ncep.noaa.govwww.cpcpara.ncep.noaa.gov
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
TemperatureTemperature PrecipitationPrecipitation
www.cpcpara.ncep.noaa.govwww.cpcpara.ncep.noaa.gov
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Top 10 snowiest winters:
34.0” 1968-69 El Niño24.2” 2008-09 ENSO Neutral22.4” 1955-56 La Niña20.3” 1959-60 ENSO Neutral17.4” 1992-93 ENSO Neutral16.3” 1979-80 ENSO Neutral14.7” 1970-71 La Niña13.4” 1964-65 ENSO Neutral12.3” 2003-04 ENSO Neutral12.0” 1994-95 El Niño10.5” 1953-54 ENSO Neutral
60% were ENSO Neutral20% were La Niña 20% were El Niño
1950-2011 1950-2011 datadata
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
18 snow-shutout winters:(Trace or 0 snowfall)
8 were El Niño winters7 were ENSO Neutral winters
3 were La Niña winter
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Building Community Resilience in the Face of Increased Vulnerability to Extreme Weather & Water Events Events
Thank You!Thank You!