Guide company leading group caught in deadly avalanche warned of snow conditions days before incident

Just days before a deadly avalanche killed eight backcountry skiers near Tahoe, the guiding company leading the trip warned on social media that unstable snowpack could trigger “unpredictable avalanches.”

Blackbird Mountain Guides posted a video Sunday on Instagram cautioning that recent snow conditions around Tahoe were creating atypical layering in the snowpack — a combination that could lead to abnormal avalanche behavior.

The company was leading 15 backcountry skiers on a three-day...