The National Weather Service has issued a
Winter Storm Warning for the Logan Zone. Rapid accumulations of heavy snow, warmer temperatures and rain at lower elevations, and drifting from strong south and westerly winds will overload slopes with buried persistent weak layers. The avalanche danger will rise significantly as we head into the weekend.
The Tony Grove Snotel at 8400' reports 6 inches of new snow from yesterday with .8" SWE. It's a warm 29º F and there's 50" of total snow containing 85% of average SWE. I'm reading 23º F at the 9700' CSI Logan Peak weather station, and southwest winds are currently averaging around 35 mph. with gusts around 60 mph.
The winter storm system bearing down on Utah will arrive tonight and impact the area through Friday. High pressure aloft will settle over the area this weekend, followed by a new storm system to begin the week. Expect snow in the mountains today with 6 to 10 inches of accumulation possible. A high temperature of 34º F at 8500' and 20 to 30 mph west-southwest winds are expected. Tonight, 8 to 12 inches of accumulation is expected, low temperatures around 12º F and 8 to 18 mph west---north west wind is expected.
A large avalanche occurred Saturday morning (1/12/19) on the east side of Logan Peak in the Fairgrounds Bowl. It was probably remote triggered by riders in the area. See report
HERE
Thanks to Ryan Thompson for the photography
That brings the number of unintentionally human triggered avalanches in the Logan Zone that we know of up to 8 in 2019. (all since 1/4/19) The list of recent avalanches in the Logan Zone list is
HERE