{ "bulletins": [ { "avalancheActivity": { "comment": "Forecast Snow Stability: Accumulations of unstable windslab will be present primarily on North through East to South-East aspects above 850 metres. Increased instability during the morning, particularly on Northerly aspects as snow is redistributed. Steep terrain such as gully tops, coire rims and scarp slopes where snow gains depth will be most affected. Cornices will be prone to collapse. Elsewhere, there will be a slow consolidation and stability will be generally good. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "NW" ], "elevation": { "lowerBound": "850" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE", "NW" ], "elevation": { "lowerBound": "950" } } ], "bulletinID": "GB-SCT-13418", "customData": { "ALBINA": { "mainDate": "2026-03-29" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "600", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "S", "SW", "W" ], "elevation": { "lowerBound": "800", "upperBound": "1100" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "SE", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1100" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "N", "NE", "E" ], "elevation": { "lowerBound": "800", "upperBound": "1100" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-28T00:00:00", "regions": [ { "regionID": "GB-SCT-6" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Strong Westerly winds will back South-West overnight and increase to gale force. Later in the morning winds easing and veering Westerly for the remainder of the period. The freezing level will rise sharply above the summits during the morning then fall to around 600 metres by the end of the day. A period of heavy snow will arrive in the early hours then frequent blustery snow and hail showers during the afternoon.\nObserved Weather Influences: Very strong to gale force Westerly winds. Showers throughout the forecast period fell as snow to around 300 metres. The freezing level was around 400 metres. Cloudy with sunny spells.\nObservedSnowStability: Fresh accumulations of unstable windslab have developed, primarily on North-East to South-East wind sheltered aspects above 850 metres. Below this altitude and above 500 meters the new snow has mostly fallen on bare ground or isolated patches of old snow and stability is generally good. Elsewhere, wind scoured slopes are firm and icy. The avalanche hazard is Considerable." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-28T18:00:00", "endTime": "2026-03-29T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Snowfall and drifting will rapidly form moderately to weakly bonded windslab on mainly North through East to South-East aspects above 800 metres, with potential for some cross-loaded deposits on North-West and South aspects. Accumulations will be localised with wind sheltered features, such as gully tops and sharply defined corrie rims, most affected. Fragile cornices will start to form. Many areas will be snow-free or have stable snow. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800" } } ], "bulletinID": "GB-SCT-13417", "customData": { "ALBINA": { "mainDate": "2026-03-29" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "700", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "SW", "W" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "S", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-28T00:00:00", "regions": [ { "regionID": "GB-SCT-5" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Snowfall starting around daylight, initially above 700 metres, then briefly turning to rain below 900 metres around mid-morning. Light snowfall continuing through the afternoon down to around 600 metres. During the snowfall, strong to gale force South-South-Westerly, veering Westerly winds. 550 metre freezing level overnight, rising and briefly peaking at 1050 metres, before lowering back to 600 metres.\nObserved Weather Influences: Snow showers to glen level, heavier and more frequent north of the River Dee, with fewer showers reaching Lochnagar and the White Mounth. Gale force West-North-Westerly, backing Westerly winds. Freezing level around 650 metres.\nObservedSnowStability: Snowfall and drifting are forming fresh windslab in wind sheltered locations on mainly North-East to South-East aspects above 800 metres, with localised cross-loading of some South aspects and a few North aspects. Gully tops and sharply defined corrie rims are most affected. Many areas are wind scoured, holding little or well bonded snow. The avalanche hazard is Moderate." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-28T18:00:00", "endTime": "2026-03-29T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: A period of higher instability will occur early morning as rain or sleet affect all levels, sheltered gullies and slopes with a North through East to South-Easterly aspect above 800 metres will be most affected with wet snow instabilities developing. Cornices in these areas will be prone to collapse. A return to colder conditions through the course of the day with only light snow showers expected will start to aid the consolidation process. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wet_snow", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "900" } } ], "bulletinID": "GB-SCT-13416", "customData": { "ALBINA": { "mainDate": "2026-03-29" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "400", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-28T00:00:00", "regions": [ { "regionID": "GB-SCT-4" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Overnight will see new snow affect slopes mainly above 800 metres. Precipitation will turn to rain or sleet as the freezing level rises above the summits briefly at the start of the day before lowering to 600 metres later. Very light snow showers are expected through the day. Winds will be strong to gale force, generally South-Westerly overnight becoming mainly Westerly by day.\nObserved Weather Influences: Snow showers have affected slopes above 400 metres. Winds have been strong to gale force generally Westerly. The freezing level was around 500 metres.\nObservedSnowStability: Deep unstable windslab exists in wind sheltered areas. Greatest accumulations are in sheltered gullies and on slopes with a North-through East to South-East aspect above 850 metres. Windward slopes are generally scoured, in these areas the older snow is firm and icy in places. The avalanche hazard is Moderate." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-28T18:00:00", "endTime": "2026-03-29T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Further unstable windslab will develop overnight mainly on North through East to South-East aspects above 800 metres. There will be a period of reduced stability in the latter part of the night and early morning when wet snow instabilities will develop in these locations. Cornices will be prone to collapse at this time. Stability will then improve during the day and fresh windslab accumulations at this time are expected to be isolated and shallow. The avalanche hazard will be Moderate.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800" } }, { "problemType": "wet_snow", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800" } } ], "bulletinID": "GB-SCT-13415", "customData": { "ALBINA": { "mainDate": "2026-03-29" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "500", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1100" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800", "upperBound": "1100" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-28T00:00:00", "regions": [ { "regionID": "GB-SCT-7" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Strong Westerly winds will back to the South-South-West and increase to storm force for a time around dawn before easing to gale force and veering to the West during the day. Snow showers will turn to rain at all levels around dawn reverting to snow to gradually lower elevations during the day. The freezing level will rise above the summits around dawn before dropping through the day to 600 metres.\nObserved Weather Influences: There were occasional heavy snow showers with gale force Westerly winds. The freezing level was around 700 metres.\nObservedSnowStability: Localised areas of moderately bonded windslab are present mainly on North through East to South-East aspects above 700 metres. Features such as gullies, corrie rims and ridge flanks are most affected. Fragile cornices are present above these aspects. The older snowpack remains generally stable. The avalanche hazard is Moderate." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-28T18:00:00", "endTime": "2026-03-29T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Unstable windslab will continue to be deposited on wind sheltered North through East to South-East aspects above 900 metres. Avalanches are likely in these locations, particularly early morning as the temperature rises and the snowfall is at it\\'s heaviest. Cornices above these aspects will be prone to collapse. Windward aspects will tend to be scoured and stability better. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "900" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "900" } } ], "bulletinID": "GB-SCT-13414", "customData": { "ALBINA": { "mainDate": "2026-03-29" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "600", "upperBound": "900" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "600", "upperBound": "900" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "SW", "W" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "S", "NW" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-28T00:00:00", "regions": [ { "regionID": "GB-SCT-3" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: The freezing level will briefly rise to about 1200 metres during the morning before falling back down to around 500 metres by late afternoon. Gale force winds will be from the South-West or West. A band of snow, turning briefly to rain below about 1000 metres, will cross the area during the morning. This will be followed by snow showers.\nObserved Weather Influences: There were heavy snow showers overnight and through the day. The freezing level was around 600 metres. Gale force winds were from the West.\nObservedSnowStability: Areas of unstable windslab have been deposited in wind sheltered locations on mainly North-East to South-East aspects above 900 metres. Fresh cornices above these aspects are unstable. Evidence of recent avalanche activity was noted on an Easterly aspect at around 1000 metres. Windward aspects tend to be scoured and stable. The avalanche hazard is Considerable." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-28T18:00:00", "endTime": "2026-03-29T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Accumulations of unstable windslab will become more widespread above 800 metres on North through East to South-East aspects, more localised on North-West and South aspects due to cross loading. Areas especially affected will be steep wind sheltered locations such as coire rims, flanks and gully tops. On wind exposed slopes the old snowpack will be firm and stable. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "S", "NW" ], "elevation": { "lowerBound": "800" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE", "S", "NW" ], "elevation": { "lowerBound": "1000" } } ], "bulletinID": "GB-SCT-13413", "customData": { "ALBINA": { "mainDate": "2026-03-29" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "500", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "SW", "W" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "S", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-28T00:00:00", "regions": [ { "regionID": "GB-SCT-2" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Gale force Westerly winds will back South-South-Westerly and increase to storm force during the early morning, later easing through the afternoon and veering Westerly. Dry conditions expected during the night before the arrival of snowfall from early morning onwards. The freezing level will rise from 600 metres to 1000 metres for a short time before steadily falling back to 600 metres.\nObserved Weather Influences: Periods of squally heavy snow showers on gale force Westerly winds. The freezing level was around 700 metres.\nObservedSnowStability: Accumulations of unstable windslab have developed on North through East to South-East aspects above 800 metres. Areas most affected are wind sheltered locations such as ridge flanks, coire rims and gully tops. Fragile cornices have developed on these aspects. Elsewhere the old snowpack is firm and stable. The avalanche hazard is Moderate" }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-28T18:00:00", "endTime": "2026-03-29T18:00:00" } } ] }