Adiabatic Charts is a historical collection of adiabatic charts in archive at the National Climatic Data Center (NCDC). These upper air WBAN-31 adiabatic charts and minicomputer printouts are archived at the NCDC and are placed on 35-mm microfilm and/or microfiche. Charts from 1952 through 1973 were placed on microfilm. All data after that are placed on microfiche. WBAN-31 charts are available from 1952 through 1973. The conversion to mini- computers was phased in gradually from 1971 through 1978. The major parameters presented in this file are pressure (Mb), height of pressure level, temperature (degrees C), dew point depression (degrees C), wind direction, and wind speed (knots). Digital data of the upper air observations are also available in several data sets at NCDC.
To make a wide range of climatic data available to researchers and the public.
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DISTRIBUTION LIABILITY: 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.