Articles | Volume 20, issue 2
https://doi.org/10.5194/acp-20-787-2020
https://doi.org/10.5194/acp-20-787-2020
Research article
 | 
23 Jan 2020
Research article |  | 23 Jan 2020

Ice supersaturated regions: properties and validation of ERA-Interim reanalysis with IAGOS in situ water vapour measurements

Philipp Reutter, Patrick Neis, Susanne Rohs, and Bastien Sauvage

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Short summary
This study compares in situ measurements of temperature and humidity in the upper troposphere and lower stratosphere with reanalysis data from the ECMWF ERA-Interim data set. It is shown that temperature compares well between both data sets. However, extreme values of relative humidity with respect to ice (RHi) are missing in ERA-Interim, and hence the number and size of ice supersaturated regions differ strongly between both data sets.
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