{ "bulletins": [ { "avalancheActivity": { "comment": "Forecast Snow Stability: Drifting expected to continue for a time overnight and during the morning adding to pre existing poorly bonded windslab deposits mainly on North East through East to South East aspects above 900m. Newly formed weak cornices will overhang many steeper recent lee slopes. Better stability at lower altitude, on less steep ground, wind scoured slopes and all ridges. The avalanche hazard will be Considerable", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "S" ], "elevation": { "lowerBound": "900" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE", "S" ], "elevation": { "lowerBound": "950" } } ], "bulletinID": "GB-SCT-13400", "customData": { "ALBINA": { "mainDate": "2026-03-26" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "400", "upperBound": "900" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "SW", "W", "NW" ], "elevation": { "lowerBound": "900", "upperBound": "1100" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "N", "S" ], "elevation": { "lowerBound": "900", "upperBound": "1100" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "NE", "E", "SE" ], "elevation": { "lowerBound": "900", "upperBound": "1100" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-25T00:00:00", "regions": [ { "regionID": "GB-SCT-6" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Remaining cold overnight but temperatures will ease a little from dawn onwards. Moderate to strong North West winds backing Westerly, later South Westerly and easing. A few late snow showers are possible.\nObserved Weather Influences: Cold with frequent occasionally heavy snow showers. Strong Westerly later North West winds.\nObservedSnowStability: Weak windslab has built quickly and become deep and more widespread on steep North East through East to South East aspects above 900m. New weak cornices are building over these places. Better stability at lower altitudes and on less steep ground. Recently wind exposed areas are scoured and stable. The avalanche hazard is Considerable" }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-25T18:00:00", "endTime": "2026-03-26T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Fresh accumulations of unstable windslab will be present on North through East to South aspects above 800 metres. Gully tops, ridge flanks and steep terrain where the snow gains depth and overlies the old snowpack will be particularly affected. New cornices will be fragile. Below this altitude and above 500 metres the old patchy snow cover has thin covering of new snow and stability is generally good. The avalanche hazard will be Moderate.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "S" ], "elevation": { "lowerBound": "0" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE", "S" ], "elevation": { "lowerBound": "0" } } ], "bulletinID": "GB-SCT-13399", "customData": { "ALBINA": { "mainDate": "2026-03-26" } }, "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", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "N", "NE", "E", "SE", "S" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-25T00:00:00", "regions": [ { "regionID": "GB-SCT-2" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Strong North-Westerly winds will become moderate for a time in the afternoon before backing South-Westerly and increasing to fresh. Generally light and isolated snow showers throughout the forecast period. The freezing level will be around 300 metres then gradually rise towards 800 metres during the day.\nObserved Weather Influences: Frequent snow showers during the morning were at times heavy and lying to lower elevations, easing in the afternoon. Very strong to gale force West-North-West winds. The freezing level was around 400 metres. Cairngorm summit recorded minus 5.5 degrees at midday.\nObservedSnowStability: Fresh accumulations of unstable windslab have developed mainly on North-East to South-East aspects above 800 metres. North and South aspects are also affected due to cross-loading. Steep locations where snow gains depth and overlies the old snow pack are particularly affected. Wind scoured terrain is generally firm, icy and stable. The avalanche hazard is Moderate." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-25T18:00:00", "endTime": "2026-03-26T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Localised, moderately bonded windslab will be found in wind sheltered locations on North-East through East to South aspects above 850 metres. Features such as gully tops, sharply defined corrie rims and steep burn lines will be most affected. Many areas will be wind scoured or hold shallow new snow only. The avalanche hazard will be Moderate.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "NE", "E", "SE", "S" ], "elevation": { "lowerBound": "850" } } ], "bulletinID": "GB-SCT-13398", "customData": { "ALBINA": { "mainDate": "2026-03-26" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "700", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "N", "SW", "W", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "NE", "E", "SE", "S" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-25T00:00:00", "regions": [ { "regionID": "GB-SCT-5" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Mainly dry with just a trace of new snow expected. Strong North-Westerly winds overnight, will ease as they back, to become moderate South-Westerly by the end of the period. 350 metre freezing level overnight, rising to 750 metres during the afternoon.\nObserved Weather Influences: Intermittent snow showers, locally heavy, falling to glen level initially, later above 500 metres. Gale force West-North-Westerly winds, veering North-Westerly by noon. Freezing level rose to around 600 metres.\nObservedSnowStability: Snowfall and drifting have formed localised windslab in wind sheltered features. Unstable accumulations are present on North-East through East to South aspects above 850 metres. Gully tops and sharply defined corrie rims are particularly affected. Many locations are wind scoured or hold shallow, new snow only. The avalanche hazard is Moderate." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-25T18:00:00", "endTime": "2026-03-26T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Unstable windslab will exist in wind sheltered locations mainly above 850 metres, areas most affected will be sheltered gullies and slopes with a North through East to South-Easterly aspect, fragile cornices will exist above these areas. Elsewhere many windward slopes have been heavily scoured and will be firm, icy and stable. The avalanche hazard will be Moderate.", "highlights": "" }, "avalancheProblems": [ { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "850" } } ], "bulletinID": "GB-SCT-13397", "customData": { "ALBINA": { "mainDate": "2026-03-26" } }, "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": "moderate", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-25T00:00:00", "regions": [ { "regionID": "GB-SCT-4" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Mainly dry and cold conditions will affect the area overnight and on Thursday morning, it will become less cold with light snow later in the day when the freezing level will rise to around 1000 metres. Winds will be generally fresh Westerly for much of the period but decreasing moderate and backing more Southerly in the afternoon.\nObserved Weather Influences: New snow overnight and today is affecting slopes mainly above 400 metres. Winds have been generally West to West-North-Westerly very strong overnight decreasing through the day. The freezing level is around 600 metres.\nObservedSnowStability: New snow and strong winds have formed deep drifts and unstable windslab in wind sheltered locations, areas most affected are sheltered gullies and slopes with a North through East to South-Easterly aspect mainly above 850 metres. Fragile cornices exist above these locations. Windward slopes have been heavily scoured and are becoming firm and icy in places with generally good stability. The avalanche hazard is Considerable." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-25T18:00:00", "endTime": "2026-03-26T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Significant areas of soft unstable windslab will remain on mainly North through East to South-East aspects above 900 metres. Some pockets of soft windslab may be found on other aspects. Cornices will be fragile and prone to collapse. At lower levels there will remain a uniform layer of soft snow and stability will be 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": "1000" } } ], "bulletinID": "GB-SCT-13396", "customData": { "ALBINA": { "mainDate": "2026-03-26" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "400", "upperBound": "900" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "N", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "NE", "E", "SE" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-25T00:00:00", "regions": [ { "regionID": "GB-SCT-3" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Generally dry during the morning with some light snow during the afternoon. There will be a strong breeze from the West backing to the South-West during the day. The freezing level will be around 600 metres.\nObserved Weather Influences: Heavy snow showers overnight and through the morning became lighter during the afternoon. Moderate winds were from the West. The freezing level was around 500 metres.\nObservedSnowStability: Significant deposits of soft unstable windslab has been deposited on mainly North through East to South-East aspects above 900 metres. Fresh cornices above these aspects are unstable and prone to collapse. Below 900 metres there has been less drifting and the fresh snow is generally sitting on bare ground and so stability is better. The avalanche hazard is Considerable." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-25T18:00:00", "endTime": "2026-03-26T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Some patches of shallow, unstable, fresh windslab will continue to build throughout the period on North through East to South-East aspects. These isolated accumulations will be above 800 metres in wind sheltered locations. Gully tops and Coire rims being most affected. Small fresh cornices may also develop in these locations. Deposition is not expected to be significant. The older snowpack where found will remain stable and be firm and icy. \r\nThe avalanche hazard will be Low.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE" ], "elevation": { "lowerBound": "800" } } ], "bulletinID": "GB-SCT-13395", "customData": { "ALBINA": { "mainDate": "2026-03-26" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "600", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1100" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-03-25T00:00:00", "regions": [ { "regionID": "GB-SCT-7" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: There will be isolated light showers throughout the period, initially falling as snow below around 400 metres, then, during Thursday afternoon, only as snow to higher elevations as the freezing level rises. Overnight Strong North-Westerly Winds will ease to Moderate South-Westerlies during Thursday morning, then increase to Very Strong South South-Westerly by the end of the day. The freezing level will rise steadily from Thursday morning from initially 400 metres to around Summit level by dusk.\nObserved Weather Influences: A day of occasional squally showers, these being of snow and graupel down to 400 metres. Winds were Fresh North North-Westerly on the tops. Freezing level was well below summit levels, at around 500 metres.\nObservedSnowStability: A slight dusting of fresh snow and Graupel above 500 metres. No significant accumulations were observed. The older snowpack firming up in the colder temperatures and becoming hard and icy. Greatest patches of this older snow are found above 800 metres, on North through East to South-East aspects in the higher coires, and along summit ridgelines.\r\nThe avalanche hazard is Low." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-03-25T18:00:00", "endTime": "2026-03-26T18:00:00" } } ] }