Observation type
Snowpack Observer Allen Giernet Keep me anonymous if published no Location (general area) Angeles Crest Latitude Longitude Date (yyyymmdd) 20191224 Time 10:55 Road conditions to area Icy and snowy. will refreeze in morning Temperature -6.3C Sky clear (no clouds) Wind speed Light (1-16mph Flags/twigs in motion) Wind direction NE Wind direction in degrees Slope aspect North West Aspect in degrees 320 Slope angle 35 Elevation 7,942' Snow depth 68cm Boot/ Ski penetration SP 25cm Precipitation None Brief description Obvious avalanche path yes Comment Patchy snow & black ice @ 4,300’ Snow & ice on road 4,700’ 0900 -6.3C air T Sky Clr Wind L Elev 6800’ 7800’ 10:18 storm board (picnic table top at Mt. Waterman) 27cm 10:55 - 7,942’ Reports stated that snow stopped mid day Dec. 23 and temps warmed above freezing. Temperatures dropped later and another 1-2” of snow fell on a melt freeze crust. The crust was less prominent in sheltered areas and at higher elevations. The crust was found in most places and definitely effected the downhill. The new snow bonded poorly to the crust and reacted with little energy in our CT tests. The new snow old snow interface showed some reaction but little energy. Our test area showed about 40cm of new snow. Some wind loading but not heavy loading. No signs of instability in the areas we traveled. Publish this observation Yes I would like this observation Published |