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Collection and Distribution of Weather Information: Panel 1-Part 2 Linda Miller

Collection and Distribution of Weather Information: Panel 1-Part 2 Linda Miller. lmiller@ucar.edu Unidata Program Center December 3-5 2001 University Corp for Atmospheric Research Boulder, Colorado, USA http://www.unidata.ucar.edu.

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Collection and Distribution of Weather Information: Panel 1-Part 2 Linda Miller

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  1. Collection and Distribution of Weather Information:Panel 1-Part 2Linda Miller lmiller@ucar.edu Unidata Program CenterDecember 3-5 2001 University Corp for Atmospheric Research Boulder, Colorado, USA http://www.unidata.ucar.edu

  2. Jim Block, Chief Meteorological Officer, Meteorlogix; Chair, AMS Board of Private Sector Meteorology Dr. Jack Hayes, Director, Office of Science and Technology, NWS Helen Wood, Director, Office of Satellite Data Processing and Distribution, NESDIS Dr. John Armstrong, Chair, NRC Committee on Partnerships in Weather and Climate Services Presenters

  3. Diverse Range of Topics • Managing collection and dissemination of non-homogeneous data from numerous, diverse, geographically scattered sources • NWS outlook for future collection/distribution systems • National Hazards Information Strategy • “Meteorological feast”-public use and the need for education and outreach

  4. “The need for coordination and collaboration of the atmospheric sciences is increasingly urgent.|”(from:The Atmospheric Sciences Entering the Twenty-First Century, NRC, 1998)

  5. Unidata A Program Enabling Universities to Acquire and Use Meteorological & Related Data • Operated by theUniversity Corporation for Atmospheric ResearchBoulder, Colorado http://www.ucar.edu • Sponsored by the National Science Foundationhttp://www.nsf.gov

  6. Principal Activitiesof the Unidata Program Center at UCAR • Providing Tools to visualize, analyze, organize, receive, & share data • Facilitating Data Access to a broad spectrum of observations & forecasts (most in real time) • Supporting Faculty who use Unidata systems at colleges & universities • Building a Community where data, tools, & best practices in education/research are shared

  7. Two Distributed Collaborative Activities • Internet Data Distribution (IDD) using LDM software • THREDDS (THematic Realtime Earth Data Distribution System)

  8. IDD: The Community in Action • The Internet-based system is used by universities to acquire large quantities of weather data in near-real time (i.e. ASAP) • Typifies Unidata’s cooperative community • The IDD has no data center -- all tasks are performed on the participants’ own computers

  9. Using LDM (freely available) software for instant data relaying, ~140 departments “collaborate” to acquire a wide range of real-time global, atmospheric & oceanic observations, model outputs, remotely sensed images..., in a “coordinated”community effort. Internet Data Distribution (IDD)with Multiple Sources (Injecting 20 Gigabytes per Day!)

  10. THREDDSTHematic Realtime Earth Data Distributed Services Improving how scientists and educators, publish, find, and use data. Building on the strengths of the community of data providers, visualization tool builders, digital libraries and metadata experts.

  11. Concept for THREDDS • Building a metadata framework around existing technologies to simplify data access, discovery and use • Direct, remote access via DODS or ADDE protocols, allowing for efficient subsetting (also traditional data access methods, e.g., FTP) • Facilitate data discovery • Search or browse via DLESE (the Digital Library for Earth-System Education) • Collaborating with current data providers to implement the THREDDS framework on existing datasets • Offer current & retrospective data to the larger community • Specialized along disciplines, instruments, time series, processing, etc

  12. Thematic Data Servers (combining IDD “push” with several forms of “pull” and DL discovery) User applications: e.g., LAS, McIDAS, MetApps/VisAD, IDL, MatLab... DLESE Digital Library for Earth-System Education Discovery DODS, ADDE, &FTP protocols DLinterchangeprotocol Satellite Images, e.g. Satellite Images, e.g. Satellite Images, e.g. Hydrology Data, e.g. Geophysical Data, e.g. Satellite Imagery... IDD IDD IDD IDD IDD

  13. Integrated Visualization of Data from Thematic Servers SUNYIDD Lightningdata server SSECIDD Satellitedata server Streamflowdata server Client/server data access NOAAport IDD Conventionaldata server USGS?IDD Demographic data server Radardata server Global modeldata server Local model computation anddata server CRAFTIDD CONDUITIDD

  14. PMEL IRIS LDEO IRI Wisconsin SSEC ARM FNMOC GODAE CDC NCAR George Mason NGDC DLESE OK at CAPS NCDC UAH Targeted Initial Sites

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