Volcanic influence on Eurasian winters
{"Image DocumentName": "Volcanic influence on Eurasian winters?", "Image ImageDescription": "ECMWF System 3 hindcast. Analysed 2m T anomaly. DJF 82/83. NH winters with large volcanic aerosol in the NH look like tend to look like 82/83 and 91/92, particularly over Eurasia (based on reconstructions back to 1600). Our coupled forecasts get both these winters badly wrong (although for 91/92, the observed SST does better). Shindell et al 2004 (JGR) have modelling results to suggest volcanic aerosol impact is similar to observed pattern. Even if no volcanoes occur in the future, our estimates of past forecast quality may need to take into account volcanic winters. ECMWF are working on including the relevant aerosol effects (historically, and in the real-time analysis an forecast system). DJF 91/92.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}