Observer Information

Name:
Affiliation:
EMail:
Phone:

Observation Location

Date of observation
Period:Select from list...All dayMorning-NoonAfternoon
Area:Select from list...TetonTogwoteeSouthwestOther Zone:Select from list...101 - Jackson Hole (Including the buttes) 102 - Cache Creek Area 103 - Snow King Mountain 104 - Teton Pass 105 - Teton - East Slope 106 - Teton - West Slope 201 - Continential Divide - West Side 202 - Continental Divide - East Side 203 - Gros Ventre Range 204 - Green River Basin 301 - Granite Canyon (Hot Springs) 302 - Hoback River Canyon 303 - Snake River Canyon 304 - Snake River Range 305 - Salt River Range 306 - Smiths Fork Area 307 - Star Valley 308 - Greys River Drainage 309 - Wyoming Range 310 - Wyoming Range SE (Big Piney, LaBarge Creek) 311 - Pine Creek 401 - Big Holes - Idaho 402 - Caribou Range 403 - Webster Range 404 - Preuss Range, Idaho 501 - Yellowstone 502 - Sylvan Pass Grand Targhee Jackson Hole Mountain Resort
Location:

Weather

Sky:Select from list...cloudymostly cloudypartly cloudyclearclear above fogovercastthin overcastfogareas of fog
PrecipitationSelect from list...snowsnow showerssnow flurriesrain/snow mixraindrizzlethunderstormsnone IntensitySelect from list...StrongModerateWeak or slightly
Rain/Snow LineSelect from list...5,0005,5006,0006,5007,0007,5008,0008,5009,0009,50010,00010,500above 10,500

Blowing Snow (Past 24 hours)

Wind Deposit Depths:Select from list...Large (> than 18 inches)Medium (6-18 inches)Small (2 to 6 inches)NoneObservations not possible Wind Deposit ExtentSelect from list...along ridgesextended from ridgesextensive
ElevationSelect from list...5,0005,5006,0006,5007,0007,5008,0008,5009,0009,50010,00010,500above 10,500 AspectSelect from list...FlatNNEESESSWWNW

Shooting Cracks

Cracking:Select from list...nonerareoften
ElevationSelect from list...5,0005,5006,0006,5007,0007,5008,0008,5009,0009,50010,00010,500above 10,500 AspectSelect from list...FlatNNEESESSWWNW

Collapsing (Whumpfing) Layer)

Whumphfing:Select from list...nonerareoften
ElevationSelect from list...5,0005,5006,0006,5007,0007,5008,0008,5009,0009,50010,00010,500above 10,500 AspectSelect from list...FlatNNEESESSWWNW

Problem Layer Distribution

TypeSelect from list...rain crustsun crustmelt/freeze crustrime crustradiation recrystallizationsurface hoarnear surface faceted snowdepth hoardensity breakhardness change
Depth in inches

ElevationSelect from list...5,0005,5006,0006,5007,0007,5008,0008,5009,0009,50010,00010,500above 10,500 AspectSelect from list...FlatNNEESESSWWNW

Agreement with Avalanche Bulletin

Bulletin Select from list...Teton High Elevation AMTeton High Elevation PMTeton Mid Elevation AMTeton Mid Elevation PMTeton Low Elevation AMTeton Low Elevation PMContinental DivideSouthwest Trails Agree with bulletin? Yes No, too high No, too low

Trend Select from list...IncreaseIncrease with daytime warmingStay the sameDecrease

Additional Comments