Current Mountain Snow and Weather Conditions:

Heavenly
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Heavenly Snowfall and Temperature History

Weather Currently:	Temperature(F)	New Snow Reported(")	12 Hour New Snow(")	Base Depth(")
Weather Currently:	44.0	0.0	0.0	46.0

Forecast

GFS Forecast Updated:
10 Day snow total
10 day rain total
24 Hour Snow total

GFS Elevation
top/bottom
Location:

May 16, 2021: 6pm
21.9 cm
3.3 mm
0 cm

2097 m
2003-3069m
heavenly

― High Clouds ― Mid Clouds ― Low Clouds ― Wind Gusts(Km/Hr) ― Wind Speed (Km/Hr), Direction

F (Standard)

C (Metric)

Avalanche Bulletin

2021-01-06 06:59:43 - Avalanche Forecast

Today's Avalanche Advisory: Issued by Steve Reynaud - Tahoe National Forest at 6:59am

Bottom Line:
Persistent slab and wind slab avalanche problems remain possible today. MODERATE avalanche danger will exist at all elevations. Unstable snow continues to exist in some areas of the forecast region.

Sierra Avalanche Center Advisory

2021-01-06 06:59:43 - Avalanche Forecast

Snowpack Summary published on January 6, 2021 @ 6:59 am
This Avalanche Advisory expires in 0 hours, 0 minutes

This advisory is valid for 24 hours
Issued by Steve Reynaud - Tahoe National Forest

Bottom Line:

Persistent slab and wind slab avalanche problems remain possible today. MODERATE avalanche danger will exist at all elevations. Unstable snow continues to exist in some areas of the forecast region.

Avalanche Problem 1:

Type

Aspect/Elevation

Characteristics

Likelihood	Size

Description:

The weak layers in our snowpack have started to gain strength and adjust to the new snow load in many locations. Unfortunately, the process of the Dec. 11 persistent weak layer improving and gaining strength is not the same at all locations. While some areas are pointing to improving stability, others are showing active whumpfing and unstable snowpack test results. 2 large natural avalanches were reported that are thought to have occurred during the storm on Monday and potentially failed on the Dec. 11 PWL. Many areas throughout the forecast region at mid to high elevations are developing deeper and stronger snowpacks. Locations at lower elevations and in some parts of the southern forecast area have shallower and weaker snowpacks. These areas that are still shallow with a well developed Dec. 11 weak layer remain the greatest concern. This will make it more important to collect snowpack information from your specific area and to look for signs of instabilities.

Could a large persistent slab avalanche still occur? Yes. Are conditions going to continue to improve over the days ahead? Yes. Conservative terrain choices are still recommended while traveling in the backcountry until this weak layer becomes unreactive. Due to the large size, potential remote triggering, and unpredictable nature of persistent slabs, limiting exposure to this avalanche problem is warranted.

Avalanche Problem 2:

Type

Aspect/Elevation

Characteristics

Likelihood	Size

Description:

The wind slabs that formed during the Monday storm have continued to gain strength. Increasing SW winds today will allow some additional snow transport and new wind slabs to develop on NW-N-NE-E-SE aspects in near and above treeline terrain. New small wind slab development could develop where available snow for transport exists.

Look for blowing snow, new cornice development, and wind pillows as clues to where new wind slabs may be forming.

Recent Observations:

* Whumpfing, cracking, and unstable snowpack test results were reported from Blue Lakes to Indian Valley (Carson Pass to Ebbetts Pass area). All of these signs of instabilities were occurring on the Dec 11 PWL.

* Large natural avalanches were reported from Dicks Peak (Desolation Wilderness area), and Hawkins Peak (Carson Pass area). Limited information in known at this time.

* Mt. Judah (Donner Summit area), and Carpenter Ridge (Independence Lake area), and Waterhouse (Luther Pass area) all showed improving snowpack stability.

Current Conditions: - CONDITIONS ALONG THE SIERRA CREST BETWEEN 8200 FT. AND 9200 FT. IN THE LAST 24 HOURS:
0600 temperature:	23 to 29 deg. F.
Max. temperature in the last 24 hours:	29 to 37 deg. F.
Average wind direction during the last 24 hours:	SW
Average wind speed during the last 24 hours:	15 to 20 mph
Maximum wind gust in the last 24 hours:	36 mph
New snowfall in the last 24 hours:	0 inches
Total snow depth:	31 to 40 inches

Weather:

A weak weather system will pass by to our north this afternoon and evening bringing increasing winds and clouds with little to no precipitation. Thursday night into Friday will be another chance of a small storm with 2 to 5'' possible, mostly favoring the northern part of the forecast region. After that, high pressure builds into our area with sunny skies and warming temperatures for a potential extended dry period.

Two-Day Mountain Weather Forecast - Produced in partnership with the Reno NWS:

For 7000 ft. to 8000 ft.:
	Today:	Tonight:	Thursday:
Weather:	Mostly cloudy. Snow levels below 7000 feet. Chance of precipitation is 5%.	Partly cloudy. Snow levels below 7000 feet. Chance of precipitation is 5%.	Partly cloudy. Snow levels below 7000 feet. Chance of precipitation is 0%.
Temperatures:	38 to 43. deg. F.	20 to 26. deg. F.	37 to 42. deg. F.
Wind direction:	Light winds becoming southwest around 15 mph in the afternoon. Gusts up to 30 mph.	Southwest around 15 mph with gusts to 30 mph in the evening becoming light.	Light winds.
Wind speed:
Expected snowfall:	No accumulation. \| SWE = none. in.	No accumulation. \| SWE = none. in.	No accumulation. \| SWE = none. in.
For 8000 ft. to 9000 ft.:
	Today:	Tonight:	Thursday:
Weather:	Mostly cloudy. Snow levels below 7000 feet. Chance of precipitation is 5%.	Partly cloudy. Snow levels below 7000 feet. Chance of precipitation is 5%.	Partly cloudy. Snow levels below 7000 feet. Chance of precipitation is 0%.
Temperatures:	34 to 39. deg. F.	19 to 25. deg. F.	33 to 39. deg. F.
Wind direction:	Southwest 15 to 25 mph. Gusts up to 30 mph increasing to 45 mph in the afternoon.	Southwest 15 to 30 mph with gusts to 50 mph decreasing to 15 to 20 mph with gusts to 45 mph after midnight.	South around 15 mph. Gusts up to 35 mph in the afternoon.
Wind speed:
Expected snowfall:	No accumulation. \| SWE = none. in.	No accumulation. \| SWE = none. in.	No accumulation. \| SWE = none. in.

Disclaimer:

This avalanche forecast is provided through a partnership between the Tahoe National Forest and the Sierra Avalanche Center. This forecast covers the Central Sierra Nevada Mountains between Yuba Pass on the north and Ebbetts Pass on the south. Click here for a map of the forecast area. This forecast applies only to backcountry areas outside established ski area boundaries. This forecast describes general avalanche conditions and local variations always occur. This forecast expires 24 hours after the posted time unless otherwise noted. The information in this forecast is provided by the USDA Forest Service who is solely responsible for its content.

For a recorded version of the avalanche forecast call (530) 587-3558 x258

Hourly Forecast:	Heavenly
Forecast Elevation:	9192 ft
7 Day Forecast Snow:

F

C

Day	Temp °F	Heavenly NOAA Detailed Forecast 9193 ft
Tonight	39	A 30 percent chance of showers and thunderstorms, mainly before 9pm. Snow level 10600 feet lowering to 10100 feet after midnight . Mostly clear, with a low around 39. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday	55	Sunny, with a high near 55. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night	38	Mostly clear, with a low around 38. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday	55	Sunny, with a high near 55. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Tuesday Night	38	Clear, with a low around 38. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Wednesday	46	Sunny, with a high near 46. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.
Wednesday Night	30	Increasing clouds, with a low around 30. Windy.
Thursday	32	A chance of snow showers. Partly sunny, with a high near 32. Breezy.
Thursday Night	22	A slight chance of snow showers before 11pm. Partly cloudy, with a low around 22. Breezy.
Friday	36	A slight chance of snow showers. Mostly sunny, with a high near 36. Breezy.
Friday Night	26	Partly cloudy, with a low around 26.
Saturday	39	Sunny, with a high near 39.
Saturday Night	28	Mostly clear, with a low around 28.

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Automated weather stations

Heavenly Valley - Elevation:	8534 ft
Current Temperature	46 ℉
Current Snow Depth	0"

Imperial ℉,"

Metric ℃,cm

Totals

7 day Change

Locations

BC: Whistler Blackcomb
BC: Apex Mountain
BC: Cypress Mountain
BC: Mount Seymour
BC: Grouse Mountain
AB: Lake Louise Ski Resort
BC: Kicking Horse
BC: Revelstoke Mountain Resort
Ca: Heavenly
Ca: Diamond Peak
Ca: Mammoth Mtn
Ca: Kirkwood
Ca: Northstar at Tahoe
Ca: Sierra at Tahoe
Ca: Squaw Valley
Co: Crested Butte
Co: Aspen Mountain
Co: Aspen Highlands
Co: Buttermilk
Co: Snowmass
Co: Beaver Creek
Co: Breckenridge Resort
Co: Keystone Resort
Co: Telluride
Co: Vail Resort
Or: Mt Hood Meadows
Ut: Brighton
Ut: Solitude
Ut: Snowbird
Ut: Park City Mountain Resort
Wa: Mount Baker
Wa: Crystal Mountain
Wa: Stevens Pass
Wy: Jackson Hole

**This page is for informational purposes only and is not intended as a guide or gurantee of weather or conditions accuracy. Use with good judgement and explore with caution**

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