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Historical Arctic Rawinsonde Archive, 1947 - 1996, Version 1

Published by NSIDC | National Aeronautics and Space Administration | Metadata Last Checked: October 24, 2025 | Last Modified: 2025-09-11
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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