linkLink to websitehttps://avalanche.report/bulletin/2021-04-20simple_linkLink to the simplified websitehttps://avalanche.report/simple/2021-04-20/en.htmlfd_albina_map.jpgDanger rating map (whole day)https://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/fd_albina_map.jpgfd_tyrol_map.jpgDanger rating map Tirol (whole day)https://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/fd_tyrol_map.jpgfd_southtyrol_map.jpgDanger rating map Southtyrol (whole day)https://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/fd_southtyrol_map.jpgfd_trentino_map.jpgDanger rating map Trentino (whole day)https://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/fd_trentino_map.jpgpdfPDF https://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/2021-04-20_en.pdftyrol_pdfPDF Tirolhttps://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/2021-04-20_AT-07_en.pdfsouthtyrol_pdfPDF Southtyrolhttps://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/2021-04-20_IT-32-BZ_en.pdftrentino_pdfPDF Trentinohttps://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/2021-04-20_IT-32-TN_en.pdffd_overlay.pngDanger rating overlay (whole day)https://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/fd_overlay.pngfd_regions.jsonGeoJSON for regions (whole day)https://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/fd_regions.jsondangerRatingMapSimplified danger rating map of the regionhttps://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/e0245584-8796-44f0-8ed9-335f04c8e418.jpgwebsiteLink to region on the websitehttps://avalanche.report/bulletin/2021-04-20?region=e0245584-8796-44f0-8ed9-335f04c8e4182021-04-20T06:00:00Z2021-04-19T22:00:00Z2021-04-20T22:00:00ZWestern Tuxer AlpsKarwendel MountainsEastern Tuxer AlpsGrieskogel MountainsCentral Stubai AlpsNorthern Zillertal AlpsNorthern Oetz and Stubai AlpsMieming Mountainsconsiderable2200no_ratingno_ratinglow2200no_ratingno_ratingdp4dp6persistent_weak_layersWNSWNWSEENES2200considerableconsiderable332wind_drifted_snowNNWNE2200moderatemoderate232steady2021-04-20T22:00:00Z2021-04-21T22:00:00ZWeak layers in the upper part of the snowpack can still be released in some places.Avalanche prone weak layers exist in the top section of the snowpack in all aspects, in particular above approximately 2200 m. Avalanches can in isolated cases be released by small loads and reach large size in isolated cases. The avalanche prone locations are to be found on steep slopes of all aspects. Natural avalanches are possible in isolated cases, in particular on very steep shady slopes between approximately 2200 and 2600 m. Isolated whumpfing sounds can indicate the danger. <br/> <br/> Fresh and older wind slabs can only be released in isolated cases. The avalanche prone locations are to be found in particular in northwest to north to northeast facing aspects above approximately 2200 m, also adjacent to ridgelines in all aspects at high altitudes and in high Alpine regions. West of the Ötztaler Ache the avalanche situation is more favourable.Especially steep sunny slopes above approximately 2200 m: Towards its surface, the snowpack is unfavourably layered and its surface consists of loosely bonded snow lying on a crust. The snowpack will be prone to triggering in some places, in particular on wind-loaded slopes. <br/> The fresh snow of last week as well as the wind slabs are lying on top of a weakly bonded old snowpack in particular on shady slopes. <br/> Outgoing longwave radiation during the night will be barely evident over a wide area. Some snow will fall in some localities. In particular in the Northern Zillertal Alps, in the Kitzbühel Alps and in the Eastern Tuxer Alps 10 to 15 cm of snow will fall above approximately 1300 m.Slight increase in danger of moist and wet avalanches as a consequence of warming during the day and solar radiation. This also applies at high altitude.dangerRatingMapSimplified danger rating map of the regionhttps://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/7df5a61d-12c7-4bed-87ae-e1ff025a58a3.jpgwebsiteLink to region on the websitehttps://avalanche.report/bulletin/2021-04-20?region=7df5a61d-12c7-4bed-87ae-e1ff025a58a32021-04-20T06:00:00Z2021-04-19T22:00:00Z2021-04-20T22:00:00ZBrandenberg AlpsWestern Kitzbühel AlpsWilder Kaiser Mountains - Waidring AlpsEastern Kitzbühel AlpsVenediger Rangemoderate2200no_ratingno_ratinglow2200no_ratingno_ratingdp4dp6persistent_weak_layersWNSWNWSEENES2200moderatemoderate232wind_drifted_snowNNWNE2200moderatemoderate232steady2021-04-20T22:00:00Z2021-04-21T22:00:00ZWeak layers in the upper part of the snowpack can still be released in some places.Avalanche prone weak layers exist in the top section of the snowpack in all aspects, in particular above approximately 2200 m. Avalanches can in isolated cases be released by small loads and reach medium size. The avalanche prone locations are to be found in particular on steep east to south to west facing slopes, in isolated cases also on steep, rather lightly snow-covered shady slopes. Isolated whumpfing sounds can indicate the danger. <br/> <br/> Fresh and older wind slabs can only be released in isolated cases. The avalanche prone locations are to be found in particular in northwest to north to northeast facing aspects above approximately 2200 m, also adjacent to ridgelines in all aspects at high altitudes and in high Alpine regions.Especially steep sunny slopes above approximately 2200 m: Towards its surface, the snowpack is unfavourably layered and its surface consists of loosely bonded snow lying on a crust. The snowpack will be prone to triggering in some places, in particular on wind-loaded slopes. <br/> The fresh snow of last week as well as the wind slabs are lying on soft layers in particular on shady slopes. <br/> Outgoing longwave radiation during the night will be barely evident over a wide area. Some snow will fall in some localities. In particular in the Northern Zillertal Alps, in the Kitzbühel Alps and in the Eastern Tuxer Alps 10 to 15 cm of snow will fall above approximately 1300 m.Slight increase in danger of moist and wet avalanches as a consequence of warming during the day and solar radiation. This also applies at high altitude.dangerRatingMapSimplified danger rating map of the regionhttps://avalanche.report/albina_files/2021-04-20/2021-04-20_06-00-00/b75b14e8-4451-4c32-b244-8f9e73dcf4e7.jpgwebsiteLink to region on the websitehttps://avalanche.report/bulletin/2021-04-20?region=b75b14e8-4451-4c32-b244-8f9e73dcf4e72021-04-20T06:00:00Z2021-04-19T22:00:00Z2021-04-20T22:00:00ZSexten DolomitesLatemarVal Müstair AlpsLangtaufersWestern Verwall MountainsSchnals RidgeEastern Verwall MountainsSouthern Stubai AlpsSilvrettaSouthern Zillertal Alps and High TauernSamnaun MountainsSaldurn-Mastaun RidgeSouthern AdamelloTexel MountainsAdamello - PresanellaSarntal AlpsNorthern Brenta - PellerWestern Pfunderer MountainsGlockturm RangeSouthern BrentaNorthern LagoraiMaddaleneEastern Pfunderer MountainsDurreck RangeWestern Rieserferner MountainsWeißkugel RangeWestern Deferegger AlpsGurgler RangeOrtler RangeUlten ValleyAllgäu AlpsEastern Nonsberger AlpsEastern Lechtal Alps - Ammergau AlpsNorthern Dolomites of FiemmeEastern Rieserferner MountainsGröden DolomitesPrimiero - Pale di S. MartinoGlockner RangePrags DolomitesEastern Deferegger AlpsSchober MountainsLienzer DolomitesWestern Lechtal AlpsWestern Nonsberg AlpsCentral Lechtal AlpsFassa ValleySole, Pejo and Rabbimoderate2200no_ratingno_ratinglow2200no_ratingno_ratingdp4persistent_weak_layersWNSWNWSEENES2200moderatemoderate232wind_drifted_snowNNWNE2200moderatemoderate232steady2021-04-20T22:00:00Z2021-04-21T22:00:00ZWeak layers in the upper part of the snowpack can still be released in some places.Avalanche prone weak layers exist in the top section of the snowpack in all aspects, in particular above approximately 2200 m. Avalanches can in isolated cases be released by small loads and reach medium size. The avalanche prone locations are to be found in particular on steep east to south to west facing slopes, in isolated cases also on steep, rather lightly snow-covered shady slopes. Isolated whumpfing sounds can indicate the danger. <br/> <br/> Fresh and older wind slabs can only be released in isolated cases. The avalanche prone locations are to be found in particular in northwest to north to northeast facing aspects above approximately 2200 m, also adjacent to ridgelines in all aspects at high altitudes and in high Alpine regions. As a consequence of warming during the day and solar radiation moist loose snow avalanches are possible. This applies in particular on rocky sunny slopes.Especially steep sunny slopes above approximately 2200 m: Towards its surface, the snowpack is unfavourably layered and its surface consists of loosely bonded snow lying on a crust. The snowpack will be prone to triggering in some places, in particular on wind-loaded slopes. <br/> The fresh snow of last week as well as the wind slabs are lying on soft layers in particular on shady slopes. <br/> Outgoing longwave radiation during the night will be quite good at times.Slight increase in danger of moist and wet avalanches as a consequence of warming during the day and solar radiation. This also applies at high altitude.dangerRatingMapSimplified danger rating map of the regionhttps://avalanche.report/albina_files/2021-04-20/2021-04-19_15-00-00/46f2765b-b1e6-4dad-95c4-a974ce8bb532.jpgwebsiteLink to region on the websitehttps://avalanche.report/bulletin/2021-04-20?region=46f2765b-b1e6-4dad-95c4-a974ce8bb5322021-04-19T15:00:00Z2021-04-19T22:00:00Z2021-04-20T22:00:00ZPrealpsCembra ValleyBondone and StivoVallarsaFolgaria - LaveroneSouthern LagoraiLedro ValleyPaganellaMarzola - ValsuganaPine' - Mocheni Valleymoderate2000no_ratingno_ratinglow2000no_ratingno_ratingdp6dp10wind_drifted_snowNNWSEENE2000moderatemoderate222persistent_weak_layersWNSWNWSEENEStreelinelowlow231steady2021-04-20T22:00:00Z2021-04-21T22:00:00ZOld wind slabs adjacent to ridgelines. Weak layers in the upper part of the snowpack can still be released in some places.Wind slabs are mostly rather small but to be assessed with care and prudence. Avalanches can in isolated cases be released by small loads or triggered naturally. The avalanche prone locations are to be found in particular adjacent to ridgelines and in gullies and bowls in all aspects. <br/> Slight increase in avalanche danger as a consequence of warming during the day and solar radiation. On very steep sunny slopes individual loose snow avalanches are to be expected from the late morning, but they will be mostly small. In addition a latent danger of gliding avalanches exists.The old snowpack will be generally well bonded. Towards its surface, the snowpack is unfavourably layered and its surface consists of loosely bonded snow lying on a crust. <br/> The fresh snow of last week and the wind slabs are lying on soft layers in particular on shady slopes. The various wind slabs have bonded quite well already together. <br/> Outgoing longwave radiation during the night will be barely evident over a wide area.The weather conditions will give rise to increasing moistening of the snowpack. Slight increase in danger of moist and wet avalanches as a consequence of warming during the day and solar radiation.