Blar i Artikler, kapitler og presentasjoner fra NORCE Klima og miljø på forfatter "Kolstad, Erik Wilhelm"

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    • Diverse Surface Signatures of Stratospheric Polar Vortex Anomalies 

      Kolstad, Erik Wilhelm; Lee, S.H.; Butler, A.H.; Domeisen, D.I.V.; Wulff, C. Ole (Peer reviewed; Journal article, 2022)
      The Arctic stratospheric polar vortex is an important driver of winter weather and climate variability and predictability in North America and Eurasia, with a downward influence that on average projects onto the North ...

    • Drivers of Subseasonal Forecast Errors of the East African Short Rains 

      Kolstad, Erik Wilhelm; MacLeod, D.; Demissie, Teferi Dejene (Peer reviewed; Journal article, 2021)
      The ‘short rains’ in East Africa from October to December have significant year-to-year variability. Their abundance or deficiency is often associated with floods or droughts for which early warning is crucial, though even ...

    • Lagged oceanic effects on the East African short rains 

      Kolstad, Erik Wilhelm; MacLeod, David (Peer reviewed; Journal article, 2022)
      The East African ‘short rains’ in October–December (OND) exhibit large interannual variability. Drought and flooding are not unusual, and long-range rainfall forecasts can guide planning and preparedness for such events. ...

    • Large‐scale regional model biases in the extra‐tropical North Atlantic storm track and impacts on downstream precipitation 

      Pontoppidan, Marie Louise Nielsen; Kolstad, Erik Wilhelm; Sobolowski, Stefan Pieter; Sorteberg, Asgeir; Changhai, Liu; Rasmussen, Roy (Peer reviewed; Journal article, 2019)
      Global climate models have circulation biases that the community aims to reduce, for instance through high‐resolution dynamical downscaling. We used the Weather Research and Forecasting model (WRF) to downscale both ...