 &lt;a href=&quot;https://www.sierraavalanchecenter.org/avalanche-terms/snowpit&quot; title=&quot;A pit dug vertically into the snowpack where snow layering is observed and stability tests may be performed. Also called a snow profile.&quot; class=&quot;lexicon-term&quot;&gt;Pit&lt;/a&gt; location above &lt;a href=&quot;https://www.sierraavalanchecenter.org/avalanche-terms/avalanche-path&quot; title=&quot;A terrain feature where an avalanche occurs. Composed of a Starting Zone, Track, and Runout Zone.&quot; class=&quot;lexicon-term&quot;&gt;avalanche path&lt;/a&gt; below. Trim line and &lt;a href=&quot;https://www.sierraavalanchecenter.org/avalanche-terms/runout-zone&quot; title=&quot;The portion of an avalanche path where the debris typically comes to rest.&quot; class=&quot;lexicon-term&quot;&gt;runout zone&lt;/a&gt; just visible in background. 