Synoptic surface marine data monitoring
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    "The oceans cover approximately seventy percent of have the earth surface and a significant influence on global weather and climate. However, the oceanic domain is less densely sampled for surface meteorological parameters as compared to land. For example, figures 1 and 2 show northern hemisphere synoptic surface data distribution at 00Z over land and sea, respectively. The number of land reports is five time larger and the data are better distributed spatially. It is clear that the marine data base is sparse and that maximum use should be made of this data in studies of atmospheric and oceanographic processes. National Meteorological Center (NMC) receives real-time synoptic marine data from various platforms. All data that are available by the scheduled model run are used with first guess fields to produce initial analyses for use within the suite of operational numerical prediction models of NMC. In view of the necessity for a real-time synoptic marine data base, it is important to ensure that all data arrives in time to be used within NMC's analyses and quality controlled in real time to maximize their impact on forecasts. Therefore, systems collecting surface marine reports must be monitored to ensure maximum availability of data. As a first step, synoptic surface marine platforms, observation parameters, and receipt time of all data received at NMC are being monitored. In addition, quarterly ship track summaries of all Voluntary Observing Ships (VOS) are compiled. These summaries are routinely provided to the Office of Ocean Services and the Marine Observing Program of the Observing System Branch to seek avenues to increase real-time synoptic surface marine data coverage over the oceans and improve receipt time at receiving centers"--Introduction.
  • Content Notes:
    Vera M. Gerald.

    "This is an unreviewed manuscript, primarily intended for informal exchange of information among NMC staff members."

    "November 1987."

    System requirements: Adobe Acrobat Reader.

    "Includes bibliographical references."

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