Avalanche: Summit

Location: Gilpatrick

Route & General Observations

standard. better but still need more snow in alders

Avalanche Details
If this is an avalanche observation, click yes below and fill in the form as best as you can. If people were involved, please provide details.
Trigger NaturalRemote Trigger Unknown
Avalanche Type Wet Loose SnowAspect South Southeast
Elevation 3500ftSlope Angle 38deg
Crown DepthunknownWidthunknown
Vertical Run 250ft  
Avalanche Details

Wet (moist?) loose on steeper SSE slopes above Dave's and Summit creeks; 100-400' vertical runs
Older snowed over slabs on Butch and Raven; more recent blown in fracture in South Fresno Twin @ ~ 2400', ESE, cross loaded

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Observer Comments

Very few really. isolated older small - moderate sized mid-slope slabs partially snowed over,
recent (moist) loose on high angle SE - S slopes at approximately 3500'

Marked wind texture on West facing terrain

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

mostly sunny 8*@11am@1350'; calm; some localized pluming from N wind early in day subsided quickly; low cloud working it's way in @ 2000' by 2:30pm; previous SSE wind especially evident on West facing peaks

Snow surface

stellars, some rimed crystals above 1800', 1- 1.5mm SH to 1900', 3mm to 2500'
settled new snow 10 cm;~ 35cm (+/new plus settled powder) over MF crust down 35 cm


1667' East aspect HS 85-90cm, 1/19 (1/10) BSH down 40cm; 11/22 complex @ 20cm from ground; ski pen 15cm

2116' NE aspect, HS 95-100cm; thin crust almost gone down 30-32cm; SH bigger to 3mm

2567' HS varied from <5cm on NE ridge to 230 cm 120 meters away to the south. Wind is a thing
Tested East aspect; HS 190cm: 34* SA, CT21 & CT22@ 45cm down on a column 130 cm tall, failed on 3-4mm BSH;
P to K hard slab below 45 cm, P-1F 45cm - 25 cm down, F surface to 25 cm down

Photos & Video
Please upload photos below. Maximum of 5 megabytes per image. Click here for help on resizing images. If you are having trouble uploading please email images separately to staff.