The Role of Land-Atmosphere Feedbacks in Weather-to-Subseasonal Predictability

Paul Dirmeyer

Department of Atmospheric, Oceanic and Earth Sciences, George Mason University

Tuesday, August 31, 2021, 2:00 pm


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A brief overview of progress in research on the role of land-atmosphere feedbacks relevant to prediction will be presented. First, evidence for the sensitivity of the atmosphere to land variability on weather, extended and seasonal time scales will be reviewed, making the case for predictability from the land. Second, confirmation that the land contributes to prediction skill on these time scales will be shown. Third, the peak of land impacts at medium-range time scales will be demonstrated. Lastly, a discussion of ways to realize the potential to improve operational forecasting will be given.

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