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Heavenly Snowfall and Temperature History


Weather

Currently:
Temperature(F)New Snow Reported(")12 Hour New Snow(") Base Depth(")
53.00.00.046.0
 




Forecast


GFS Forecast Updated:  
10 Day snow total
10 day rain total
24 Hour Snow total
GFS Elevation
top/bottom
Location:
Jul 29, 2021: 12am
0 cm
2.1 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
 
DayTemp °FHeavenly NOAA Detailed Forecast 9193 ft
Overnight
56 Mostly clear, with a low around 56. East wind around 5 mph.
Thursday
66Scattered showers and thunderstorms after 11am. Increasing clouds, with a high near 66. East wind 5 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 40%.
Thursday Night
56 Isolated showers and thunderstorms before 11pm. Mostly cloudy, with a low around 56. West wind 5 to 15 mph becoming southeast in the evening. Chance of precipitation is 20%.
Friday
67Scattered showers and thunderstorms after 11am. Partly sunny, with a high near 67. South wind 5 to 10 mph becoming northwest in the morning. Chance of precipitation is 50%.
Friday Night
57 Scattered showers and thunderstorms, mainly before 11pm. Cloudy, with a low around 57. West wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday
59Scattered showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 59. West wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday Night
54 Scattered showers and thunderstorms before 11pm. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Sunday
61A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 61.
Sunday Night
53 Partly cloudy, with a low around 53.
Monday
64Sunny, with a high near 64.
Monday Night
53 Mostly clear, with a low around 53.
Tuesday
65Sunny, with a high near 65.
Tuesday Night
52 Mostly clear, with a low around 52.

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Automated weather stations

Heavenly Valley - Elevation: 8534 ft
Current Temperature51 ℉
Current Snow Depth0"
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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