ECAEuropean Climate Assessment
Copenhagen, 22 November 2001
Janet WijngaardKNMI, the Netherlands
Analyse extremes in temperatureand precipitation in Europe for the 20th century
European Climate Assessment
Approach: climate indicators• Short-list compiled with climate indicators
for temperature and precipitation• Daily resolution improves description of
(changes in) extremes
• Indicators are based on fixed thresholds and percentiles thresholds to account for different climates in Europe
www.knmi.nl/samenw/
eca
• Temperature extremes
Warm spells winter 1976-99
Cold spells winter 1976-99
• Precipitation extremes
Data quality
• Quality control• Homogeneity analysis• metadata
Remarks
• Final ECA-report published spring next year
• Data available (ECD) on cd-rom and web: http://www.knmi.nl/samenw/ecd
• Follow-up project and data updates ?
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