Originally Posted by CAIC Front Range Zone Forecast Discussion 3/7/19
... storm totals for March into historic levels ... most dangerous avalanche conditions in years ... further travel in or around avalanche terrain is not recommended. ... Under these exceptional conditions, expect all avalanche paths, both small and large to slide.
Some of the recent avalanches were really big, some reaching historic levels. Tuesday, both natural and explosive triggered avalanches reached D3 to D4 in size. The Disney slide path above Highway 40, as just one example, hasn't run this big since 1957. The D4 avalanche out of Bethel on the east side of the Eisenhower Tunnel crossed all 4 lanes of I-70 with debris 6 to 15 feet deep for a 300 foot long stretch of road.
... avalanches are running as big as they have in decades. Some very big slides from Jones Pass, to Breckenridge, to Fremont Pass is just a small sample illustrating that the concern is widepread across the Front Range and Vail-Summit zones.