This study presents the comparisons of Ag concentration between snow samples collected in the Lost River Range and WRF (Weather Research and Forecasting model) simulation results using the AgI Seeding Parameterization for two scenarios. One scenario contains airborne seeding cases on Jan. 28 and 29, 2016, which resulted in detectable Ag signals in 5 out of 9 downwind sites. The other scenario is a ground seeding case on Feb. 18, 2016, which also showed downwind signals in 4 out of 9 sites. The WRF simulations are driven by ERA-Interim reanalysis data. Different activation and scavenging processes are tested. The detailed analysis of the model results and the comparisons between model and observations will be presented at the conference.