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I I I I I I I I I I I I I I I I I I I ABSTRACT The Desert Research Institute (DRI) participated in the Utah/NOAA field research project on the Wasatch Plateau during the winter of 1991. The project had as its main obj ective to study the transport and dispersion of seeding material from ground-based generators into winter storm clouds over the Plateau. The DRI involvement in the project centered on determining the distribution of supercooled liquid water in the storms. The DRI modified its dual-frequency microwave radiometer to allow collection of data while the radiometer vehicle was in motion. Numerous experiments were performed along the roads crossing the Wasatch Plateau which were aimed at determining the distribution of liquid water as a funtion of location on the mountain barrier. The radiometer also collected scan and zeni th- pointing data while stationary at a site near the upwind edge of the top of the Plateau. An inventory of the radiometer data collection periods is presented. The data will be used in conjunction with data from the project radar, a second radiometer, and a research aircraft to give a relatively complete description of where and when supercooled liquid developed, and how it was depleted by natural processes during the winter storms of 1991. The DRI collected synoptic and satellite data for the 1991 Utah/NOAA project, and has checked and begun editing the 63 soundings launched during the field project. These data will be used to determine the larger scale influences on the development of cloud liquid water, and will be compared to the findings from earlier Utah/NOAA research in the Tushar Mtns. of southern Utah. An inventory of these data is provided along with brief descriptions of the storm events which occurred during the field project. Hi