Session Details - AS21


Session Details
Section AS - Atmospheric Sciences
Session Title Sub-seasonal to Seasonal Forecasting of High-impact Weather and Climate Events
Main Convener Dr. Yuhei Takaya (Meteorological Research Institute, Japan)
Co-convener(s) Dr. Hyun-Suk Kang (Korea Meteorological Administration, Korea, South)
Dr. Hai Lin (Environment and Climate Change Canada, Canada)
Dr. Mio Matsueda (University of Tsukuba, Japan)
Session Description There is growing interest in the scientific, operational and applications communities in developing sub-seasonal to seasonal (S2S) forecasts (2 weeks to a season ahead) to provide early warnings of high-impact meteorological events such as floods, droughts, heat and cold waves, and tropical cyclones. An extensive database of S2S forecasts and hindcasts from operational centers has been created by the WWRP/WCRP S2S project and that enables sources of sub-seasonal predictability (e.g. sea-ice, soil moisture, MJO, stratosphere-troposphere interactions etc.) to be studied, forecast skill assessed, and early warning systems developed tailored to user needs. The weather and climate variability are literally interlinked on a global scale through these processes, thus it makes sense to foster international cooperation on this research area. This session welcomes papers on all aspects of the S2S prediction, with emphasis on studies of interactions among various processes, and predictability associated with them.