Broken Top

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Wednesday, Apr 25, 2018 9:33 PM
Aaron Hartz
Pro Ob
(44.077362, -121.696200)
Ob Date/Time:
Wed, Apr 25, 2018 - 9:01 PM
Report Type:
Snow Conditions
Mode of Travel:
Ski or Snowboard

Written Report:
The snow coverage is still really good out at Broken Top, but with warm days like today it could go fast. I measured air temperatures of 50F (10:30am; 7200 ft) and 57F (1:00pm; 8100 ft).

There were many previous small loose wet avalanches on east, south and west aspects above treeline. I did not see much roller ball action today. I triggered a small loose wet slide (D1) on an east facing slope at around 8700 ft elevation.

Boot penetration on sunny slopes mid-day was up to 30-40cm. The snow was quite wet/mushy in the direct sun.

The last of the rime and snow on the rock towers was falling down today. Be aware of traveling under any remaining ice and snow clinging to the rocks above you.

I saw a few small chunks of cornice that broke off today, but nothing major.

The wind had been forecast to be out of the east, but it was light out of the north for most of the day.

This is likely my last regular observation post for the season. It has been a pleasure to deliver information to the central Oregon backcountry community this year.


Caption: Previous small loose wets above treeline on south facing slope