Avalanche forecast for Heiane Thursday 2019-02-14

2
Moderate
Published:

A persistant weak layer of facets is present in many areas. High temperatures gives risk of some wet loose-snow and slab avalanches in steep terrain. Be aware of cornice falls.

Wet snow (slab avalanches)

Buried weak layer of faceted snow beneath a crust

Avoid staying for a longer period in avalanche release and run out areas. Wet snow avalanches tend to release spontaneously. Stability decreases when the snow surface gets wet and soft. Timing is important.
2 - Medium
High additional load
Some steep slopes
Possible

Wet snow (loose snow avalanches)

Loose snow

Be careful in avalanche release and runout areas. Avoid skiing in terrain traps. Timing is important. Stability decreases when the snow surface gets wet and soft. Wet snow avalanches tend to release spontaneously.
2 - Medium
Spontaneous release
Some steep slopes
Possible

What are avalanche problems?

0 mm precipitation.
Fresh breeze from southwest.
0 °C to 3 °C at 1100 m a.s.l.
Plus degrees up to 1500 m a.s.l. during the evening.
Cloudy.

For updated info, please visit yr.no

Observations the last 3 days

Rapportert av: FrodeMoen@Obskorps (***)

i kommune: SULDAL

Avalanche evaluation

3 Considerable

Avalanche problems

Poor bonding between layers in wind deposited snow

Avalanche problems

Loose snow

Avalanche problems

Buried weak layer of faceted snow above a crust

Snow cover

70 cm snødybde

8 cm nysnø siste døgn

Weather

Snow

Coloumn test

Medium

Not given@0cmNot specified

Snow profile

Antall Lag: 9

Total dybde: 118,00 cm

Avalanche activity

No avalanche activity Not given

Not given

Dangersign

Recently made cracks

Tråkket lett ut skavler i nordlige sektorer.

Dangersign

Quick temperature change

Var minus 1,5 grader og snøvær når eg startet turen, pluss 1 og yrregn på veg ned.

Click here for pictures and the full observation

Rapportert av: Salvesen@obskorps (***)

i kommune: GJESDAL

Avalanche evaluation

2 Moderate

Avalanche problems

Poor bonding between crust and overlying snow

Avalanche problems

Buried weak layer of faceted snow above a crust

Snow profile (2012)

104298

Snow cover

60 cm snødybde

5 cm nysnø siste døgn

Weather

Snow

-3.0 grader

Coloumn test

Medium

CTM15@30cmQ2

Coloumn test

Medium

CTM15@30cmQ2

Snow profile

Antall Lag: 8

Total dybde: 75,00 cm

Avalanche activity

No avalanche activity Not given

Not given

Dangersign

Recent snowdrift

Område: Generelt på fjellet. Beskrivelse: Ikke hinsides, men den siste snøen flytter noe på seg i høyden og danner myke flak

Click here for pictures and the full observation

Rapportert av: Agnes@svv (***)

i kommune: SIRDAL

Avalanche evaluation

2 Moderate

Avalanche problems

Buried weak layer of faceted snow beneath a crust

Avalanche problems

Loose snow

Snow cover

70 cm snødybde

3 cm nysnø siste døgn

Weather

Snow

-3.0 grader

Coloumn test

Medium

CTM17@26cmQ3

Snow profile

Antall Lag: 6

Total dybde: 36,00 cm

Avalanche activity

Several (6-10) 2 - Medium

Loose wet avalanche

Dangersign

Quick temperature change

Område: Generelt på fjellet. Beskrivelse: Starter i kveld, blir plussgrader resten av uka

Click here for pictures and the full observation

The bulletin does not include a detailed text about the avalanche conditions. This is only given in Norwegian. Translate it using google translate if you like. The text result will be informative, and most likely amusing

For planning your trip and recognizing avalanche terrain, use maps.

Norway has 1:50 000 maps for the whole country. Maps can be bought at bookstores and sports shops, or printed from the net.

Visit www.ut.no for topographic maps online. For slope angle maps, see NGI slope angel maps ("helning" means slope angle).

Modelled snowpack and historic and current weather information can be found on the webpage senorge.no. This site uses information from the weather stations and interpolate values from the stations for gridded maps.

Detailed weather forecast can be found online at www.yr.no or www.storm.no. Yr.no is also in English, but the weather in text format is only given in Norwegian.