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Historical Arctic Rawinsonde Archive, 1947 - 1996, Version 1

Published by NSIDC | National Aeronautics and Space Administration | Catalog Last Checked: June 25, 2026 at 01:37 PM | Dataset Last Updated: June 23, 2026
The Historical Arctic Rawinsonde Archive (HARA) contains millions of vertical soundings of temperature, pressure, humidity, and wind, representing all available rawinsonde ascents from Arctic land stations poleward of 65 degrees North. HARA includes soundings from the beginning of record through mid-1996. Most stations began recording soundings in the late 1950s, but a few began in 1947 or 1948.

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