Tuesday, February 26, 2013

Wasatch Winter Magic

This storm simply will not quit over portions of the Wasatch Mountains.  Note on the radar below how orographic (i.e., mountain) precipitation continues to linger over the Wasatch and Oquirrh Mountains.

The snow that is falling is cold smoke and comprised of lots of dendritic aggregates based on snowflake images collected by the University of Utah MultiAngle Snowflake Camera at Alta Ski Area (see Alta's Snowflake Showcase web page).  A sample is below.

Source: http://www.alta.com/pages/snowflakeshowcase.php 
Snow water contents appear to be quite low.   The last 4 inches of snow at Alta-Collins was produced by only .12 inches of water.  That's less than 4% water content!

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