This is a reproduction of a report prepared and presented to the Great Salt Lake Advisory Council at their 14 September 2022 meeting. It has been modified for formatting, to remove personal information, and to correct a few typos. I thank students and colleagues whose research or comments contributed to and improved the manuscript.
Contributions of Lake-Effect Periods to Precipitation and Streamflow in Northern Utah
W. James Steenburgh
Professor of Atmospheric Sciences
University of Utah
|Figure 1. Landsat satellite imagery of the Great Salt Lake based on data collected in September 1987 (left) and April/May 2021 (right) when the lake was near its high and low stands, respectively. Images courtesy of the U.S. Geological Survey.|
|Figure 2: Schematic depiction of the convergence of land breezes and the development of a lake-effect storm over the Great Salt Lake. Source: Steenburgh (2014). © University Press of Colorado.|
|Figure 3. Radar imagery of a) widespread lake-effect precipitation, b) banded lake-effect precipitation, and c) lake-effect precipitation with other precipitation features. Source: Alcott et al. (2013). © American Meteorological Society.|
|Figure 5. Great Salt Lake coverage at 4211 feet (high stand), 4200 feet (historical average), 4191 feet (low stand), 4180 feet, and 4170 feet. Great Salt Lake bathymetry source: Tarboton, D. (2017). Great Salt Lake Bathymetry, HydroShare, http://www.hydroshare.org/resource/582060f00f6b443bb26e896426d9f62a. Hillshade sources: Esrii, USGS, FAO, NOAA.|
f. Influences of lake salinity on snowfall.