Posselt Derek J.

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Posselt
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Derek J.
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  • Article
    Use of observing system simulation experiments in the United States
    (American Meteorological Society, 2020-08-01) Zeng, Xubin ; Atlas, Robert ; Birk, Ronald J. ; Carr, Frederick H. ; Carrier, Matthew J. ; Cucurull, Lidia ; Hooke, William H. ; Kalnay, Eugenia ; Murtugudde, Raghu ; Posselt, Derek J. ; Russell, Joellen ; Tyndall, Daniel P. ; Weller, Robert A. ; Zhang, Fuqing
    The NOAA Science Advisory Board appointed a task force to prepare a white paper on the use of observing system simulation experiments (OSSEs). Considering the importance and timeliness of this topic and based on this white paper, here we briefly review the use of OSSEs in the United States, discuss their values and limitations, and develop five recommendations for moving forward: national coordination of relevant research efforts, acceleration of OSSE development for Earth system models, consideration of the potential impact on OSSEs of deficiencies in the current data assimilation and prediction system, innovative and new applications of OSSEs, and extension of OSSEs to societal impacts. OSSEs can be complemented by calculations of forecast sensitivity to observations, which simultaneously evaluate the impact of different observation types in a forecast model system.