{ "bulletins" : [ { "publicationTime" : "2026-04-22T15:00:00Z", "validTime" : { "startTime" : "2026-04-22T15:00:00Z", "endTime" : "2026-04-23T15:00:00Z" }, "unscheduled" : false, "weatherForecast" : { "comment" : "After a clear night, it will be very sunny on Thursday, although thin clouds will pass through at times and cumulus clouds will develop during the day. Visibility will mostly be very good. The wind from the west to northwest will strengthen during the day changes and blow moderately to briskly. In the exposed areas of the Niedere Tauern and in the Nockberge it can reach speeds of around 80 km/h. At 2000 m -3 to +4 degrees, at 3000 m -8 to -4 degrees." }, "avalancheActivity" : { "highlights" : "Wet snow remains the main danger", "comment" : "The avalanche danger is subject to daytime changes. Below 2400 m, it is initially low and increases to moderate in the morning. Wet loose snow avalanches can occur spontaneously with strong incoming radiation or be triggered by winter sports and reach medium size. Wet slab avalanches are possible where there is still a lot of snow, i.e. mainly on shady slopes at high altitudes and partly on eastern and western slopes. If the terrain is unfavourable, avalanches can also penetrate into green areas." }, "snowpackStructure" : { "comment" : "After a clear night, the melt-freeze crust is widespread and softens and loses firmness in the morning. The snowpack underneath consists of compact snow characterised by rain. On shady slopes from around 2400 metres, there are weak layers of deep rime in the old snowpack near the ground. The snowpack is moist to wet up to high altitudes. Low altitudes and sunny slopes at medium altitudes are mostly covered in snow." }, "tendency" : [ { "highlights" : "No significant change on Friday. Note the daytime changes in avalanche danger.", "tendencyType" : "steady", "validTime" : { "startTime" : "2026-04-23T15:00:00Z", "endTime" : "2026-04-24T15:00:00Z" } } ], "customData" : { "ALBINA" : { "mainDate" : "2026-04-23" }, "LWD_Tyrol" : { "dangerPatterns" : [ ] } }, "avalancheProblems" : [ { "problemType" : "wet_snow", "elevation" : { "lowerBound" : "2400" }, "validTimePeriod" : "earlier", "customData" : { "ALBINA" : { "avalancheType" : "slab" } }, "aspects" : [ "NW", "W", "N", "NE", "E" ] }, { "problemType" : "wet_snow", "elevation" : { }, "validTimePeriod" : "later", "customData" : { "ALBINA" : { "avalancheType" : "slab" } }, "aspects" : [ "NW", "W", "N", "NE", "E" ] } ], "bulletinID" : "80207542-f6f9-4bef-80db-2760152d13c5", "dangerRatings" : [ { "mainValue" : "low", "elevation" : { "upperBound" : "2400" }, "validTimePeriod" : "earlier" }, { "mainValue" : "moderate", "elevation" : { "lowerBound" : "2400" }, "validTimePeriod" : "earlier" }, { "mainValue" : "moderate", "validTimePeriod" : "later" } ], "lang" : "en", "regions" : [ { "name" : "Loferer and Leoganger Steinberge", "regionID" : "AT-05-18" }, { "name" : "Steinernes Meer, Hochkönig, Hagengebirge, Göllstock", "regionID" : "AT-05-17" }, { "name" : "Tennengebirge, Gosaukamm", "regionID" : "AT-05-16" }, { "name" : "Niedere Tauern Alpenhauptkamm", "regionID" : "AT-05-04" }, { "name" : "Kitzbühel Alps Oberpinzgau", "regionID" : "AT-05-15" }, { "name" : "Weisseck, Muhr", "regionID" : "AT-05-03" }, { "name" : "Niedere Tauern South", "regionID" : "AT-05-02" } ] }, { "publicationTime" : "2026-04-22T15:00:00Z", "validTime" : { "startTime" : "2026-04-22T15:00:00Z", "endTime" : "2026-04-23T15:00:00Z" }, "unscheduled" : false, "weatherForecast" : { "comment" : "After a clear night, it will be very sunny on Thursday, although thin clouds will pass through at times and cumulus clouds will develop during the day. Visibility will mostly be very good. The wind from the west to northwest will strengthen during the day changes and blow moderately to briskly. In the exposed high areas on the main Alpine ridge of the Tauern and in the Nockberge mountains, it can reach speeds of around 80 km/h. At 2000 m -3 to +4 degrees, at 3000 m -8 to -4 degrees." }, "avalancheActivity" : { "highlights" : "Daytime decreasing firmness with solar radiation", "comment" : "The avalanche risk is initially low below around 2400 m and increases to moderate in the morning. Spontaneous or artificially triggered wet loose snow avalanches are possible in a few places, in particular from very steep terrain below around 2800 m where there is still a lot of snow. In wet snow, avalanches can tear through to the ground, reach medium size and, if the terrain is unfavourable, advance into the green.\n\nAbove around 2400 m, there are still individual avalanche prone locations in the west, north and east aspects, as well as in the southern sector in the high Alps, where slab avalanches can be triggered in persistent weak layers. Take care on the steep transitions from little to lots of snow." }, "snowpackStructure" : { "comment" : "After a clear night, the melt-freeze crust is widespread and, depending on the exposure, softens in the morning and then loses firmness. In shady high altitudes, the 5 to 15 cm of new fallen snow from the beginning of the week is well settled and often still soft. The snowpack below consists of compact snow characterised by rain up to high altitudes. On shady slopes from around 2400 metres, there are still weak layers of angular forms and deep rime in the old snowpack close to the ground. Low altitudes and sunny slopes at medium altitudes are mostly covered in snow." }, "tendency" : [ { "highlights" : "No significant change on Friday. Note the daytime changes in avalanche danger.", "tendencyType" : "steady", "validTime" : { "startTime" : "2026-04-23T15:00:00Z", "endTime" : "2026-04-24T15:00:00Z" } } ], "customData" : { "ALBINA" : { "mainDate" : "2026-04-23" }, "LWD_Tyrol" : { "dangerPatterns" : [ ] } }, "avalancheProblems" : [ { "problemType" : "persistent_weak_layers", "elevation" : { "lowerBound" : "2400" }, "validTimePeriod" : "earlier", "customData" : { "ALBINA" : { "avalancheType" : "slab" } }, "aspects" : [ "NW", "W", "N", "E", "NE" ] }, { "problemType" : "wet_snow", "elevation" : { "upperBound" : "2800" }, "validTimePeriod" : "later", "customData" : { "ALBINA" : { "avalancheType" : "slab" } }, "aspects" : [ "NW", "E", "SE", "S", "SW", "W", "NE", "N" ] }, { "problemType" : "persistent_weak_layers", "elevation" : { "lowerBound" : "2400" }, "validTimePeriod" : "later", "customData" : { "ALBINA" : { "avalancheType" : "slab" } }, "aspects" : [ "NW", "E", "W", "NE", "N" ] } ], "bulletinID" : "ff721c66-de9a-4493-89f6-edef35aef3fe", "dangerRatings" : [ { "mainValue" : "low", "elevation" : { "upperBound" : "2400" }, "validTimePeriod" : "earlier" }, { "mainValue" : "moderate", "elevation" : { "lowerBound" : "2400" }, "validTimePeriod" : "earlier" }, { "mainValue" : "moderate", "validTimePeriod" : "later" } ], "lang" : "en", "regions" : [ { "name" : "Venedigergruppe North", "regionID" : "AT-05-11" }, { "name" : "Glocknergruppe North", "regionID" : "AT-05-10" }, { "name" : "Goldberggruppe North", "regionID" : "AT-05-09" }, { "name" : "Großvenedigergruppe Central", "regionID" : "AT-05-07" }, { "name" : "Glocknergruppe Central", "regionID" : "AT-05-06" }, { "name" : "Goldberggruppe Central", "regionID" : "AT-05-05" } ] }, { "publicationTime" : "2026-04-22T15:00:00Z", "validTime" : { "startTime" : "2026-04-22T15:00:00Z", "endTime" : "2026-04-23T15:00:00Z" }, "unscheduled" : false, "weatherForecast" : { "comment" : "Thursday night will be clear and starry. On Thursday, some clouds will move through from the north, which may obscure the sun, especially in the morning. The summits will remain mostly clear and no precipitation is expected. During the daytime changes, the sun will increasingly prevail from the north-west. The afternoon will be widely sunny with temperatures at 2000 metres around +1 degree. Due to the brisk, in areas adjacent to the ridgeline, strong to gale-force winds from the north-west with peak wind speeds of between 50 and 80 km/h, the temperature will feel significantly lower." }, "avalancheActivity" : { "highlights" : "Increase in avalanche danger during the day changes", "comment" : "The avalanche risk is low in the morning hours and increases to moderate during the daytime changes. There is a danger of wet loose snow and slab avalanches from undischarged terrain as incoming radiation and warming increase. These can release themselves or be triggered by a small additional load from people and are usually small to medium-sized. Avalanches can reach areas that are already snowed out." }, "snowpackStructure" : { "comment" : "The snowpack can consolidate on a clear night. A surface crust forms on the surface. However, it quickly softens again with sunlight and warming. In shady, higher areas, there are large crystals in the lower snow layering in some places, which act as a possible weak layer. The deglaciation is progressing rapidly." }, "tendency" : [ { "highlights" : "High pressure will lead to bright and sunny mountain weather on Friday and Saturday. Temperatures at an altitude of 2000 metres will rise from -1 degrees on Friday morning to +6 degrees on Saturday afternoon. With the increasing warming and sunshine, the activity of wet snow avalanches will increase again.", "tendencyType" : "increasing", "validTime" : { "startTime" : "2026-04-23T15:00:00Z", "endTime" : "2026-04-24T15:00:00Z" } } ], "customData" : { "ALBINA" : { "mainDate" : "2026-04-23" }, "LWD_Tyrol" : { "dangerPatterns" : [ ] } }, "avalancheProblems" : [ { "problemType" : "wet_snow", "elevation" : { }, "validTimePeriod" : "later", "customData" : { "ALBINA" : { "avalancheType" : "slab" } }, "aspects" : [ "NW", "SE", "S", "N", "E", "SW", "W", "NE" ] }, { "problemType" : "wet_snow", "elevation" : { }, "validTimePeriod" : "later", "customData" : { "ALBINA" : { "avalancheType" : "loose" } }, "aspects" : [ "NW", "SE", "S", "N", "E", "SW", "W", "NE" ] } ], "bulletinID" : "564023d5-dc6e-4645-af6a-0a1bcad53aff", "dangerRatings" : [ { "mainValue" : "low", "validTimePeriod" : "earlier" }, { "mainValue" : "moderate", "validTimePeriod" : "later" } ], "lang" : "en", "regions" : [ { "name" : "Totes Gebirge South", "regionID" : "AT-06-02" }, { "name" : "Dachsteingebiet", "regionID" : "AT-06-01" }, { "name" : "Hochschwabgebiet", "regionID" : "AT-06-10" }, { "name" : "Eisenerzer Alpen", "regionID" : "AT-06-09" }, { "name" : "Triebener Tauern", "regionID" : "AT-06-08-01" }, { "name" : "Wölzer Tauern South", "regionID" : "AT-06-07" }, { "name" : "Rottenmanner Tauern", "regionID" : "AT-06-06" }, { "name" : "Schladminger Tauern North", "regionID" : "AT-06-04-01" }, { "name" : "Wölzer Tauern North", "regionID" : "AT-06-05" }, { "name" : "Ennstaler Alpen", "regionID" : "AT-06-03" }, { "name" : "Schladminger Tauern South", "regionID" : "AT-06-04-02" } ] }, { "publicationTime" : "2026-04-22T15:00:00Z", "validTime" : { "startTime" : "2026-04-22T15:00:00Z", "endTime" : "2026-04-23T15:00:00Z" }, "unscheduled" : false, "avalancheActivity" : { "highlights" : "Danger of falling on hard frozen snow surfaces in the morning and all day in the shade.", "comment" : "The avalanche risk rises to moderate during the day changes above 1600 m, otherwise it is low. Wet snow is the problem. On a few steep slopes with smooth ground, such as meadow slopes or rock slabs, gliding avalanches can occur. In addition, as the snowpack softens, wet loose snow or slab avalanches can release themselves in extremely steep terrain or be triggered by individuals in very steep terrain. The avalanches reach medium size. The focus of avalanche activity is at midday and in the afternoon." }, "snowpackStructure" : { "comment" : "With outgoing longwave radiation overnight, a stable melt-freeze crust forms, which softens again during the day with warming and sunshine. Otherwise, the snowpack is soaked through to the higher elevations and consists mainly of snowmelt. Only on north-facing slopes at high altitudes can there still be isolated layers of faceted crystals deep in the snowpack. There is hardly any snow left on the north side below 1600 metres and on the entire south side." }, "tendency" : [ { "highlights" : "No change.", "validTime" : { "startTime" : "2026-04-23T15:00:00Z", "endTime" : "2026-04-24T15:00:00Z" } } ], "customData" : { "ALBINA" : { "mainDate" : "2026-04-23" }, "LWD_Tyrol" : { "dangerPatterns" : [ ] } }, "avalancheProblems" : [ { "problemType" : "gliding_snow", "elevation" : { }, "validTimePeriod" : "earlier", "customData" : { "ALBINA" : { "avalancheType" : "glide" } }, "aspects" : [ "NW", "W", "N", "E", "NE" ] }, { "problemType" : "wet_snow", "elevation" : { "lowerBound" : "1600" }, "validTimePeriod" : "later", "customData" : { "ALBINA" : { "avalancheType" : "loose" } }, "aspects" : [ "NW", "E", "W", "NE", "N" ] }, { "problemType" : "wet_snow", "elevation" : { "upperBound" : "1600" }, "validTimePeriod" : "later", "customData" : { "ALBINA" : { "avalancheType" : "loose" } }, "aspects" : [ "NW", "E", "W", "NE", "N" ] } ], "bulletinID" : "2edacf94-c5b7-458e-9e47-18717d4aa70a", "dangerRatings" : [ { "mainValue" : "low", "validTimePeriod" : "earlier" }, { "mainValue" : "low", "elevation" : { "upperBound" : "1600" }, "validTimePeriod" : "later" }, { "mainValue" : "moderate", "elevation" : { "lowerBound" : "1600" }, "validTimePeriod" : "later" } ], "lang" : "en", "regions" : [ { "name" : "Werdenfels Alps", "regionID" : "DE-BY-30" }, { "name" : "Berchtesgaden Alps", "regionID" : "DE-BY-60" }, { "name" : "Allgäu Alps Central", "regionID" : "DE-BY-12" }, { "name" : "Ammergau Alps North", "regionID" : "DE-BY-20" } ] }, { "publicationTime" : "2026-04-22T15:00:00Z", "validTime" : { "startTime" : "2026-04-22T15:00:00Z", "endTime" : "2026-04-23T15:00:00Z" }, "unscheduled" : false, "weatherForecast" : { "comment" : "After a clear night, it will be very sunny on Thursday, although thin clouds will pass through at times and cumulus clouds will develop during the day. Visibility will mostly be very good. The wind from the west to north-west will increase during the daytime changes and blow moderately strong, in the Nockberge mountains partly stormy with peaks around 80 km/h. At 1500 m 0 to 8 degrees, at 2000 m -3 to +4 degrees." }, "avalancheActivity" : { "highlights" : "Small, spontaneous wet snow avalanches during the daytime changes", "comment" : "The avalanche risk is low. In very few places in the terrain, small wet slab avalanches or loose snow avalanches are possible due to additional load or spontaneously. This increases the risk of avalanches in the fall terrain." }, "snowpackStructure" : { "comment" : "There is still snow in shady locations or at high altitudes, but sunny steep terrain often no longer has a large area of continuous snowpack up to at least medium altitudes or has already tapped out. The snow surface is usually crusted in the morning and softens in the morning depending on the exposure. In the Nockberge mountains, however, the strong wind slows down the snowmaking process." }, "tendency" : [ { "highlights" : "No significant change on Friday. Note the daytime changes in avalanche danger.", "tendencyType" : "steady", "validTime" : { "startTime" : "2026-04-23T15:00:00Z", "endTime" : "2026-04-24T15:00:00Z" } } ], "customData" : { "ALBINA" : { "mainDate" : "2026-04-23" }, "LWD_Tyrol" : { "dangerPatterns" : [ ] } }, "avalancheProblems" : [ { "problemType" : "wet_snow", "elevation" : { }, "validTimePeriod" : "all_day", "customData" : { "ALBINA" : { "avalancheType" : "slab" } }, "aspects" : [ "NW", "W", "N", "NE", "E" ] } ], "bulletinID" : "2165e761-8f0b-4e91-abcc-0cd64601f690", "dangerRatings" : [ { "mainValue" : "low", "validTimePeriod" : "all_day" } ], "lang" : "en", "regions" : [ { "name" : "Nockberge", "regionID" : "AT-05-01" }, { "name" : "Pongauer Grasberge", "regionID" : "AT-05-12" }, { "name" : "Chiemgau Alps South", "regionID" : "AT-05-21" }, { "name" : "Untersbergstock", "regionID" : "AT-05-20" }, { "name" : "Osterhorngruppe, Gamsfeldgruppe", "regionID" : "AT-05-19" }, { "name" : "Niedere Tauern North", "regionID" : "AT-05-08" }, { "name" : "Kitzbühel Alps Glemmtal", "regionID" : "AT-05-14" }, { "name" : "Dientner Grasberge", "regionID" : "AT-05-13" } ] }, { "publicationTime" : "2026-04-22T15:00:00Z", "validTime" : { "startTime" : "2026-04-22T15:00:00Z", "endTime" : "2026-04-23T15:00:00Z" }, "unscheduled" : false, "weatherForecast" : { "comment" : "Thursday will be quite clear at first, with a few cloudy showers from the north during the day. There will be a weak to moderate northerly breeze, which will pick up a little towards the evening. It will be much warmer. Temperatures will be around 7 °C at 1500 m and -2 °C at 2500 m by mid-day." }, "avalancheActivity" : { "highlights" : "As the weather cools, the danger of Avalanches will be low", "comment" : "The old snow cover is mostly well transformed, cohesive and stable. The danger of wet snow avalanches has been reduced. Only a few avalanches will be possible.\n\nA small amount of new snow has fallen in recent days, especially in the high alpine regions. Smaller snow accumulations have formed and may be potentially unstable." }, "snowpackStructure" : { "comment" : "If the weather clears, the snowpack will freeze more markedly at night. During the day, the snow will refreeze. During the day, the zero isotherm will rise to an altitude of around 2400 m above sea level.\n\nIn recent days, 5 to 10 cm of New fallen snow has fallen above about 2000 m. Precipitation has been patchy with showers.\n\nEven in the high alpine regions, showers have been quite heavy.\n\nThe layers of snow are mostly well connected in the old snow cover. Individual weak layers of faceted snow crystals and abrasive grains occur more or less deep below the surface, and are more frequent on arable slopes above 1800 m." }, "tendency" : [ { "highlights" : "At the end of the week it will be quite clear and warmer every day.\n\nThe snowpack will be hard and frosty in the morning. It will become a little heavier again during the day. Avalanches of packed snow will be possible, especially in the high alpine regions where there is still some unprocessed snow.", "tendencyType" : "steady", "validTime" : { "startTime" : "2026-04-23T15:00:00Z", "endTime" : "2026-04-24T15:00:00Z" } } ], "customData" : { "ALBINA" : { "mainDate" : "2026-04-23" }, "LWD_Tyrol" : { "dangerPatterns" : [ "DP10" ] } }, "avalancheProblems" : [ { "problemType" : "gliding_snow", "elevation" : { }, "validTimePeriod" : "all_day", "customData" : { "ALBINA" : { "avalancheType" : "glide" } }, "aspects" : [ "NW", "E", "SE", "S", "SW", "W", "NE", "N" ] }, { "problemType" : "wet_snow", "elevation" : { }, "validTimePeriod" : "all_day", "customData" : { "ALBINA" : { "avalancheType" : "loose" } }, "aspects" : [ "E", "SE", "S", "SW", "W" ] } ], "bulletinID" : "656af695-2d97-40e9-9631-5bebcf12fc67", "dangerRatings" : [ { "mainValue" : "low", "validTimePeriod" : "all_day" } ], "lang" : "en", "regions" : [ { "name" : "Southern Julian Alps", "regionID" : "SI-10" }, { "name" : "Central Julian Alps", "regionID" : "SI-7" }, { "name" : "Eastern Julian Alps", "regionID" : "SI-8" }, { "name" : "Western Julian Alps", "regionID" : "SI-6" }, { "name" : "Kamnik Alps", "regionID" : "SI-3" }, { "name" : "Savinja Alps and Carinthia", "regionID" : "SI-4" }, { "name" : "Western Karawanks", "regionID" : "SI-1" }, { "name" : "Central Karawanks", "regionID" : "SI-2" } ] }, { "publicationTime" : "2026-04-22T15:00:00Z", "validTime" : { "startTime" : "2026-04-22T15:00:00Z", "endTime" : "2026-04-23T15:00:00Z" }, "unscheduled" : false, "avalancheActivity" : { "highlights" : "The snow remains are hard and icy in the morning and all day in the shade. Beware of the risk of falling!", "comment" : "The avalanche risk is low. Wet snow can be problematic in rare cases and most likely from late morning. Occasionally, on very steep slopes with sufficient snow, wet loose snow avalanches or wet gliding avalanches on slippery ground can release themselves. Avalanches usually remain small." }, "snowpackStructure" : { "comment" : "At night, a stable melt-freeze crust forms, which softens again during the day in the sun. Otherwise, the remaining snowpack is patchy, soaked and consists entirely of snowmelt. The southern sides are largely free of snow except for individual snow fields in areas adjacent to the ridgeline, crest or summit." }, "tendency" : [ { "highlights" : "No change in avalanche danger.", "validTime" : { "startTime" : "2026-04-23T15:00:00Z", "endTime" : "2026-04-24T15:00:00Z" } } ], "customData" : { "ALBINA" : { "mainDate" : "2026-04-23" }, "LWD_Tyrol" : { "dangerPatterns" : [ ] } }, "avalancheProblems" : [ { "problemType" : "wet_snow", "elevation" : { }, "validTimePeriod" : "all_day", "customData" : { "ALBINA" : { "avalancheType" : "loose" } }, "aspects" : [ "NW", "N", "NE" ] } ], "bulletinID" : "9271310a-808d-4501-a3e4-a52d307a330a", "dangerRatings" : [ { "mainValue" : "low", "validTimePeriod" : "all_day" } ], "lang" : "en", "regions" : [ { "name" : "Chiemgau Alps East", "regionID" : "DE-BY-52" }, { "name" : "Bavarian Prealps West", "regionID" : "DE-BY-41" }, { "name" : "Chiemgau Alps West", "regionID" : "DE-BY-51" }, { "name" : "Allgäu Prealps", "regionID" : "DE-BY-11" }, { "name" : "Bavarian Prealps East", "regionID" : "DE-BY-43" }, { "name" : "Bavarian Prealps Central", "regionID" : "DE-BY-42" } ] } ], "customData" : { "ALBINA" : { "generalHeadline" : "Daytime changes in avalanche danger" } } }