Ad
The National Forest Service Logo
icon-add Observation
Forecasts
Logan Ogden Salt Lake Provo Uintas Skyline Moab Abajos Weather Archives How to read the forecast
Observations & Avalanches
Submit Observation Observations Explorer All Observations Avalanches Fatalities Weather Place Names Map Archives
Education
Avalanche Class List UAC Class List Online Classes Resources and Tutorials Avalanche Awareness Develop Skills
Events
Store
About
Contact Who we are Core Values Staff Board of Directors Past Forecasters Sponsors Annual Reports Sign In
Blog
icon-add Observation
Donate / Join

Observation: American Fork

Observation Date
4/8/2020
Observer Name
Hardesty and Keeling
Region
Provo » American Fork
Location Name or Route
Pittsburgh Lake
Weather
Sky
Few
Wind Speed
Calm
Weather Comments
Downright Hot. Collins wx station at Alta reached 50°F at 3pm. Lots of sun. No wind.
Snow Characteristics
Snow Surface Conditions
Damp
Snow Characteristics Comments
Everything damp up to perhaps 10,500'.
Good supportable pretend-corn on southerlies. The weekend storm snow has baked down to just a few inches on previous supportable melt-freeze crusts on SE>W.
Red Flags
Red Flags
Rapid Warming
Red Flags Comments
Rapid warming...though today was not the first day of sun since the weekend. Timing remains the key this time of year.
Comments
Did not see any active wind slabs; most likely welded in.
Wet loose still possible on all aspects...with rollerballs even on norths well above 10,000'.
Cornices, wet loose remain the avalanche concerns.
Photos:
Natural damp rollerballs on northerly aspects
The storm snow has baked down to 1-3" on off aspects above a supportable crust. Would picture small to medium volume debris piles with sustained vertical.
Firnspiegel - "snow-mirror" developing on snow surfaces.
Supportable "corn" skiing at and just below 11,000' on south/southeast at 11am.
Today's Observed Danger Rating
None
Tomorrows Estimated Danger Rating
None
Coordinates