Articles | Volume 15, issue 11
Research article
03 Jun 2022
Research article |  | 03 Jun 2022

Sensitivity analysis of attenuation in convective rainfall at X-band frequency using the mountain reference technique

Guy Delrieu, Anil Kumar Khanal, Frédéric Cazenave, and Brice Boudevillain

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Cited articles

Beard, K. V. and Chuang, C.: A new model for the equilibrium shape of raindrops, J. Atmos. Sci., 44, 1509–1524,<1509:ANMFTE>2.0.CO;2, 1987. 
Bringi, V. N. and Chandrasekar, V.: Polarimetric Doppler weather radar, principles and applications, Cambridge University Press, 636 pp., ISBN 13 9780521623841, 2001. 
Delrieu, G., Caoudal, S., and Creutin, J. D.: Feasibility of using mountain return for the correction of ground-based X-band weather radar data, J. Atmos. Ocean. Technol., 14, 368–385,<0368:FOUMRF>2.0.CO;2,1997. 
Delrieu, G., Serrar, S., Guardo, E., and Creutin, J. D.: Rain Measurement in Hilly Terrain with X-Band Weather Radar Systems: Accuracy of Path-Integrated Attenuation Estimates Derived from Mountain Returns, J. Atmos. Ocean. Technol., 16, 405–416,<0405:RMIHTW>2.0.CO;2, 1999a. 
Delrieu, G., Hucke, L., and Creutin, J. D.: Attenuation in rain for X- and C-band weather radar systems: Sensitivity with respect to the drop size distribution, J. Appl. Meteor., 38, 57–68,<0057:AIRFXA>2.0.CO;2, 1999b. 
Short summary
The RadAlp experiment aims at improving quantitative precipitation estimation in the Alps thanks to X-band polarimetric radars and in situ measurements deployed in Grenoble, France. We revisit the physics of propagation and attenuation of microwaves in rain. We perform a generalized sensitivity analysis in order to establish useful parameterization for attenuation corrections. Originality lies in the use of otherwise undesired mountain returns for constraining the considered physical model.