Articles | Volume 12, issue 10
https://doi.org/10.5194/tc-12-3137-2018
https://doi.org/10.5194/tc-12-3137-2018
Research article
 | 
04 Oct 2018
Research article |  | 04 Oct 2018

Spatial variability in snow precipitation and accumulation in COSMO–WRF simulations and radar estimations over complex terrain

Franziska Gerber, Nikola Besic, Varun Sharma, Rebecca Mott, Megan Daniels, Marco Gabella, Alexis Berne, Urs Germann, and Michael Lehning

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Cited articles

Arnold, D., Schicker, I., and Seibert, P.: High-Resolution Atmospheric Modelling in Complex Terrain for Future Climate Simulations(HiRmod), Report 2010, Tech. rep., Institute of Meteorology (BOKU-Met), University of Natural Resources and Life Sciences, Vienna, Austria, 2010. a
Arthur, R., Lundquist, K. A., Mirocha, J. D., Hoch, S. W., and Chow, F. K.: High-resolution simulations of downslope flows over complex terrain using WRF-IBM, 17th Conference on Mountain Meteorology, American Meteorological Society, Paper 7.6, 18 pp., 2016. a
Beljaars, A. C. M.: The parameterization of surface fluxes in large-scale models under free convection, Q. J. Roy. Meteor. Soc., 121, 255–270, https://doi.org/10.1002/qj.49712152203, 1994. a
Bergeron, T.: On the low-level redistribution of atmospheric water caused by orography, Suppl. Proc. Int. Conf. Cloud Phys., Tokyo, 96–100, 1965. a, b
Besic, N., Figueras i Ventura, J., Grazioli, J., Gabella, M., Germann, U., and Berne, A.: Hydrometeor classification through statistical clustering of polarimetric radar measurements: a semi-supervised approach, Atmos. Meas. Tech., 9, 4425–4445, https://doi.org/10.5194/amt-9-4425-2016, 2016. a
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Short summary
A comparison of winter precipitation variability in operational radar measurements and high-resolution simulations reveals that large-scale variability is well captured by the model, depending on the event. Precipitation variability is driven by topography and wind. A good portion of small-scale variability is captured at the highest resolution. This is essential to address small-scale precipitation processes forming the alpine snow seasonal snow cover – an important source of water.