"The combination of over 11 inches of precipitation in less than a week which first fell as snow, then rain, and a prolonged, high pressure period caused snow to accumulate and then break a weak crust layer."
"Using seismic data from the U.S. Geological Survey, The Northwest Avalanche Center determined that the slab broke off at around 9,800 feet before falling 4,500 feet and stopping at 5,300 feet."
"This recent avalanche highlights the increased danger that new snow and warming temperatures often bring as unexpected spring storm cycles will continue to bring unpredictable conditions."
Unusually warm conditions resulted in below normal snowpacks and rain instead of snow. Mt. Hood experienced over 11 inches of precipitation, leading to a significant avalanche. The avalanche occurred after new snowfall built up over a weak crust layer, breaking off at 9,800 feet and falling 4,500 feet. Seismic data confirmed the event's severity. Multiple large avalanches occurred in the area, emphasizing the need for caution in backcountry activities during unpredictable spring storm cycles.
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