@article{fdi:010066278, title = {{C}haracterization of hydrometeors in {S}ahelian convective systems with an {X}-band radar and comparison with in situ measurements. {P}art {I} : {S}ensitivity of polarimetric radar particle identification retrieval and case study evaluation}, author = {{C}azenave, {F}r{\'e}d{\'e}ric and {G}osset, {M}arielle and {K}acou, {M}. and {A}lcoba, {M}. and {F}ontaine, {E}. and {D}uroure, {C}. and {D}olan, {B}.}, editor = {}, language = {{ENG}}, abstract = {{T}he particle identification scheme developed by {D}olan and {R}utledge for {X}-band polarimetric radar is tested for the first time in {A}frica and compared with in situ measurements. {T}he data were acquired during the {M}egha-{T}ropiques mission algorithm-validation campaign that occurred in {N}iger in 2010. {T}he radar classification is compared with the in situ observations gathered by an instrumented aircraft for the 13 {A}ugust 2010 squall-line case. {A}n original approach has been developed for the radar-in situ comparison: it consists of simulating synthetic radar variables from the microphysical-probe information and comparing the two datasets in a common "radar space." {T}he consistency between the two types of observation is good considering the differences in sampling illustrated in the paper. {T}he time evolution of the hydrometeor types and their relative proportion in the convective and stratiform regions are analyzed. {T}he farther away from the convection one looks, the more aggregation dominates, riming diminishes, and hydrometeors are less dense. {P}article identification based on the polarimetric radar will be applied to a 5-yr {A}frican dataset in the future.}, keywords = {{I}n situ atmospheric observations ; {C}onvective storms ; {C}loud microphysics ; {A}ircraft observations ; {R}adars/{R}adar observations ; {I}ce particles ; {NIGER} ; {ZONE} {SAHELIENNE}}, booktitle = {}, journal = {{J}ournal of {A}pplied {M}eteorology and {C}limatology}, volume = {55}, numero = {2}, pages = {231--249}, ISSN = {1558-8424}, year = {2016}, DOI = {10.1175/jamc-d-15-0013.1}, URL = {https://www.documentation.ird.fr/hor/fdi:010066278}, }