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Hokitika Airport (NZHK), Sunday 11th of February 2018

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Upper air soundings show temperature, dew point and winds with altitude. This information can be used to evaluate stability, cloudbase, top of cloud, wind profile, and many other athmospheric features. A very good introduction to these diagrams (specifically tephigrams, which the SkewT-LogP diagram below is very similar to) can be found here (hosted with permission from Dr Ian M. Brooks).

forecast image

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Note that the scale often changes between images, this can make the same colours actually show a different quantity from image to image.

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Disclaimer: Use at your own risk. Do not use for protection of life or property. No liability is accepted for the use of this website in any way.