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Snow Ratio, Snow Amount. – Precipitation Totals for Snow, Sleet, Freezing Rain. – Percent of hydrometeors reaching the ground in the form of liquid, ice,.
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Precipitation Type - Snow Ratio, Snow Amount - Precipitation Totals for Snow, Sleet, Freezing Rain - Percent of hydrometeors reaching the ground in the form of liquid, ice, and snow
Creates the snow amount by assessing the sounding in a top ‐down approach. The analysis looks at vertical velocity, wet ‐bulb and dry ‐bulb temperature, and relative humidity to generate a snow ratio. This is done for every model level from hydrometeor creation down to the surface.
Documented in an
presentation
-^ Weather Analysis and Forecasting/17th Conference on Numerical Weather Prediction 2005 -^ Recorded online presentation: http://ams.confex.com/ams/WAFNWP34BC/techprogram/paper_94815.htm
Algorithm was designed to use the strengths of the Top ‐ Down Approach (Baumgardt, http://www.crh.noaa.gov/arx/micro/micrope.php ), Bourgouin and Ramer algorithms. - Traces a hydrometeor vertically toward the surface.
