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ACP | Articles | Volume 19, issue 3
Atmos. Chem. Phys., 19, 1471–1490, 2019
https://doi.org/10.5194/acp-19-1471-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Hydrological cycle in the Mediterranean (ACP/AMT/GMD/HESS/NHESS/OS...

Atmos. Chem. Phys., 19, 1471–1490, 2019
https://doi.org/10.5194/acp-19-1471-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 04 Feb 2019

Research article | 04 Feb 2019

Impact of humidity biases on light precipitation occurrence: observations versus simulations

Sophie Bastin et al.

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Cited articles

Allan, R. P. and Soden, B.: Atmospheric warming and the amplification of precipitation extremes, Science, 321, 1481–1484, 2008. 
Allen, M. R. and Ingram, W. J.: Constraints on future changes in climate and the hydrological cycle, Nature, 419, 224–32, 2002. 
Baldauf, M. and Schulz, J. P.: Prognostic precipitation in the Lokal – Modell (LM) of DWD, COSMO Newsletter, 4, 177–180, 2004. 
Bastin, S., Champollion, C., Bock, O., Drobinski, P., and Masson F.: On the use of GPS tomography to investigate the water vapor variability during a Mistral/sea-breeze event in southeastern France, Geophys. Res. Lett., 32, L05808, https://doi.org/10.1029/2004GL021907, 2005. 
Bastin, S., Champollion, C., Bock, O., Drobinski, P., and Masson, F.: Diurnal cycle of water vapor as documented by a dense GPS network in a coastal area during ESCOMPTE-IOP2, J. Appl. Meteorol. Clim., 46, 167–182, 2007. 
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This paper uses colocated observations of temperature, precipitation and humidity to investigate the triggering of precipitation. It shows that there is a critical value of humidity above which precipitation picks up. This critical value depends on T and varies spatially. It also analyses how this dependency is reproduced in regional climate simulations over Europe. Models with too little and too light precipitation have both lower critical value of humidity and higher probability to exceed it.
This paper uses colocated observations of temperature, precipitation and humidity to investigate...
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