Quick Answer
To assess the depth of snow for tree-well safety, check for a visible line of branches and trunks above the snow, or dig a small pit probe to gauge snow depth. Use the 6-inch rule: if the snow is 6 inches or deeper, consider it a hazard. Consider factors like wind drifts and uneven terrain.
Determining Snow Depth
When assessing the depth of snow for tree-well safety, look for visual cues. A visible line of branches and trunks above the snow indicates the snow surface is at least 6 inches deep. This is because coniferous trees typically have lower branches that are 6-8 feet from the ground. If you don’t see this line, you may need to dig a small pit probe to gauge snow depth.
Digging a Pit Probe
To dig a pit probe, find a spot with minimal wind drifts and uneven terrain. Dig a small hole about 6-8 inches in diameter and 6-8 inches deep. If the snow collapses or is unstable, it’s likely deeper than 6 inches. Fill the hole back in and recheck the surrounding area for any signs of deeper snow.
Evaluating Tree-Well Hazards
When evaluating tree-well hazards, consider the wind direction and speed. Wind can easily drift snow into tree wells, making them more hazardous. Uneven terrain can also increase the risk of tree-well accidents. Always check for these factors before determining the safety of a tree-well area. If you’re unsure, it’s best to avoid the area or dig a more extensive snow probe to assess the depth.
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