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SUMMARY:Seminar on Nature of Satellite Retrievals & Data Assimilation in NOAA's Rapid Refresh Systems
DESCRIPTION:The Global Systems Laboratory (GSL) is one of ten NOAA Research Laboratories and is located in Boulder\, Colorado. Our research improves environmental prediction models\, develops state-of-the-science decision support tools\, visualization systems\, and uses high-performance computing technology to support a Weather-Ready Nation. \nDr. Dave Turner\, GSL Senior Scientist\nIll-posed Nature of Satellite Retrievals \nFor most remote sensors\, what we observe is not what we desire. For example\, we observe the spectral radiance\, but what we really desire are thermodynamic profiles. Retrieval algorithms are used to convert what we observe into what we desire\, but frequently additional information needs to be included in the process to constrain the solution. This seminar provides an overview of retrievals\, demonstrating the iterative approach often used\, the ill-posed nature of the problem\, how additional observations can improve the solution\, and more. \nDr. Amanda Back\, GSL Data Assimilation Scientist\nData Assimilation in NOAA’s Rapid Refresh Systems \nWe describe the problem of initializing weather forecast systems from sparse observations and lay out the theory behind some popular solutions: variational\, ensemble\, and hybrid data assimilation. Examples from NOAA’s storm scale weather analysis and prediction systems\, the operational High Resolution Rapid Refresh and next-generation Rapid Refresh Forecast System\, are illustrated. \nDate: October 29\, 2024 \nTime: 12:30pm \nLocation: Steinman Exhibit Room (T-124)\, Grove School of Engineering \nFor Virtual Participants \nJoin Zoom Meeting\nhttps://ccny.zoom.us/j/84447646455?pwd=V6ivIgIuOaV7VBmmXPvEuvMaAcVIPD.1\n\nMeeting ID: 844 4764 6455\nPasscode: 730751
URL:https://www.cessrst.org/event/seminar-on-nature-of-satellite-retrievals-data-assimilation-in-noaas-rapid-refresh-systems/
LOCATION:City College of New York\, 160 Convent Avenue\, New York\, 10031
CATEGORIES:Seminar Series
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