gov.noaa.ncdc:C00221 National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce Unknown tabular digital data http://www.ncdc.noaa.gov http://www4.ncdc.noaa.gov/ol/documentlibrary/datasets.html#TD6106 http DSI-6106 NMC Global GTS Aircraft Data Documentation NCDC Dataset Documentation for DSI-6106 information NMC GTS Aircraft Meteorological Observations is digital data set DSI-6106, archived at the National Climatic Data Center (NCDC). Data was provided from the Global Telecommunications System (GTS) by NMC, which was the old National Meteorological Center of the U. S. NOAA National Weather Service. NMC is now the National Centers for Environmental Prediction (NCEP). The major parameters in TD-6106 are mandatory constant pressure data (1000-mb through 1-mb), various pressure data, and tropopause data consisting of heights of pressure levels and wind direction and speed. This data is a collection of observations used to initialize the NMC Global Forecast Model. NMC places the data on disc at each main synoptic hour: the data was then placed on tape every seven days. NCDC therefore received three tapes from NMC every seven days. These raw NMC tapes are held in temporary files DSI-9610 and DSI-9611. The raw data tapes are split into separate files by data type: DSI-6103 Temp and Temp Ship, DSI-6104 Synop (Synoptic Hours 00, 06, 12, 18 UTC) (Intermediate Hours 03, 09, 15, 21 UTC), DSI-6105 Ship, DSI-6106 AIREP, DSI-6107 SIRS and SATWIND, DSI-6108 BOGUS. Decoding information for these files is provided elsewhere in this documentation. More information about these file formats and codes can be found in NMC Office Note 29/124 and World Meteorological Organization (WMO) Publication No. 306 Manual on Codes - International Codes. These data are subject to various degrees of automated quality control by NMC. NCDC reformats the data without changing any values. Therefore the user must be prepared to perform their own quality checks. To make a wide range of climatic data available to researchers and the public. data set C00221 ALTIMETERS ANEMOMETERS BAROMETERS AEROVANES WIND VANES AIRCRAFT National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce 19730101 19991012 Ground Condition Complete As Needed -180.0 -180.0 90.0 -90.0 ISO 19115 Topic Category climatologyMeteorologyAtmosphere 004 elevation 006 DIF Discipline Keyword Thesaurus Earth Sciences > Atmosphere > Meteorology Earth Sciences > Atmosphere > Climatology Earth Sciences > Atmosphere > Weather GCMD Sciences Keyword Valids EARTH SCIENCE > ATMOSPHERE > ALTITUDE > BAROMETRIC ALTITUDE EARTH SCIENCE > ATMOSPHERE > ALTITUDE > GEOPOTENTIAL HEIGHT EARTH SCIENCE > ATMOSPHERE > ALTITUDE > PLANETARY BOUNDARY LAYER HEIGHT EARTH SCIENCE > ATMOSPHERE > ALTITUDE > STRATOPAUSE EARTH SCIENCE > ATMOSPHERE > ALTITUDE > TROPOPAUSE EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > UPPER LEVEL WINDS EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > WIND PROFILES EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > FLIGHT LEVEL WINDS EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC PRESSURE > PLANETARY BOUNDARY LAYER HEIGHT EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC WINDS > BOUNDARY LAYER WINDS GCMD Location Valids GLOBAL GCMD Location Valids BOUNDARY LAYER TROPOSPHERE STRATOSPHERE AIRCRAFT ANEMOMETERS AIRCRAFT ALTIMETERS AIRCRAFT BAROMETERS AIRCRAFT AEROVANES AIRCRAFT WIND VANES 1 None None Not provided Unknown Completeness information not available. Unknown Unknown Refer to NCDC Dataset Documentation for DSI-6106 http://www4.ncdc.noaa.gov/ol/documentlibrary/datasets.html#TD6106 National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce Customer Services Branch Mailing and physical

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Asheville North Carolina 28801-5001 USA 828-271-4800 828-271-4010 828-271-4876 ncdc.orders@noaa.gov 8:00 - 6:00 Eastern http://www.ncdc.noaa.gov/oa/about/ncdcordering.html DSI-6106 Every effort has been made to ensure that these data are accurate and reliable within the limits of current NOAA quality control procedures. NOAA can only certify that the data provided to its customers is an authentic copy of the records which were accepted for inclusion in NOAA archives. NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. 20070105 20060627 National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce Customer Services Branch Mailing and physical

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Asheville North Carolina 28801-5001 USA 828-271-4800 828-271-4010 828-271-4876 ncdc.metadata@noaa.gov 8:00 - 6:00 Eastern Content Standard for Digital Geospatial Metadata: Extensions for Remote Sensing Metadata FGDC-STD-012-2002 http://www.ngdc.noaa.gov/metadata/extensions/local_extensions.html NGDC Extensions to FGDC Metadata http://www.fgdc.gov/standards/projects/FGDC-standards-projects/csdgm_rs_ex/MetadataRemoteSensingExtens.pdf http://www.fgdc.gov/standards/projects/FGDC-standards-projects/csdgm_rs_ex/remote-sensing-metadata Content Standard for Digital Geospatial Metadata: Extensions for Remote Sensing Metadata, FGDC-STD-012-2002 http://www.eis.noaa.gov/fgdc/fgdcleg.html NOAA Supplemental Information in Description (NOAA legacy extension to FGDC)