{ "bulletins": [ { "avalancheActivity": { "comment": "Forecast Snow Stability: Fresh wet snow accumulations are likely late on Thursday but these will largely thaw overnight with localised fresh windslab building during Friday. Windslab accumulations are likely to be localised and shallow in nature. The avalanche hazard will be Low", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "NE", "E", "SE" ], "elevation": { "lowerBound": "0800" } } ], "bulletinID": "GB-SCT-13448", "customData": { "ALBINA": { "mainDate": "2026-04-03" } }, "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": "2026-04-02T00:00:00", "regions": [ { "regionID": "GB-SCT-7" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: A changeable 24 hours in prospect with fluctuating temperatures and a combination of snow initially, rain at all levels over night and light snow showers on Friday. Strong Southerly winds overnight will veer Westerly on Friday\nObserved Weather Influences: It has been a dry day with moderate southerly winds over the summits. Freezing level around 750m.\nObservedSnowStability: The light dusting of snow from yesterday lies mainly on bare ground or old frozen snow. New snow accumulations are not significant. The avalanche hazard is Low" }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-04-02T18:00:00", "endTime": "2026-04-03T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: After a period of instability overnight, new windslab will be found mostly on North-West through North-East to South-East aspects above 850 metres. Wind sheltered features such as corrie rims, gully tops and crag aprons will be affected particularly where new accumulations have achieved depth over older snow-ice. Unstable cornices will also start to rebuild. The avalanche hazard will be Moderate.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "SW", "NW" ], "elevation": { "lowerBound": "850" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E" ], "elevation": { "lowerBound": "900" } } ], "bulletinID": "GB-SCT-13447", "customData": { "ALBINA": { "mainDate": "2026-04-03" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "700", "upperBound": "800" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "S", "SW", "W" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "N", "NE", "E", "SE", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-04-02T00:00:00", "regions": [ { "regionID": "GB-SCT-5" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: An approaching front will see some changeable conditions over the next period. Overnight there will be snowfall with the freezing level initially at 800 metres but lifting above the summits with precipitation turning to rain. By morning the freezing level is expected to be around 800 metres with light snowfall. Gale force winds throughout, Southerly overnight but veering to the West for most of the day.\nObserved Weather Influences: A dry and mostly sunny day. The freezing level was around 800 metres by early afternoon with a fresh breeze from the South.\nObservedSnowStability: Shallow new snow was found above 600 metres on most aspects. Deeper but isolated areas of windslab had developed in wind sheltered locations mainly on North to East aspects above 900 metres. These were mostly avoidable. Older snow was very hard and icy. The avalanche hazard is Low." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-04-02T18:00:00", "endTime": "2026-04-03T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Fresh unstable windslab will develop through the evening mainly on North-West to North-East aspects above 900 metres. There will be a short period of poor stability in this snow as it turns to wet snow overnight when avalanches are likely. Stability in this snow will then improve but further areas of unstable windslab will develop during the day mainly on North to East aspects above 900 metres. Fresh cornices will develop and be prone to collapse. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "W", "NW" ], "elevation": { "lowerBound": "900" } }, { "problemType": "wet_snow", "aspects": [ "N", "NE", "W", "NW" ], "elevation": { "lowerBound": "900" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE", "W", "NW" ], "elevation": { "lowerBound": "900" } } ], "bulletinID": "GB-SCT-13446", "customData": { "ALBINA": { "mainDate": "2026-04-03" } }, "dangerRatings": [ { "mainValue": "low", "aspects": [ "N", "NE", "E", "SE", "S", "SW", "W", "NW" ], "elevation": { "lowerBound": "600", "upperBound": "900" }, "validTimePeriod": "all_day" }, { "mainValue": "low", "aspects": [ "S", "SW" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "E", "SE", "W" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "N", "NE", "NW" ], "elevation": { "lowerBound": "900", "upperBound": "1300" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-04-02T00:00:00", "regions": [ { "regionID": "GB-SCT-3" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Heavy snow in the evening will turn to rain on all but the highest summits for a short time overnight followed by snow showers through the day. Gale force South-South-Easterly winds veer to the West-South-West and ease slightly in the early morning. Mostly cold with the freezing level briefly rising above the summits overnight.\nObserved Weather Influences: It was a cold, dry morning with light winds. The freezing level was rising through the day.\nObservedSnowStability: The older snowpack has refrozen and is stable. Isolated and shallow areas of moderately bonded windslab were present this morning mainly on South and South-East aspects above 900 metres. Fresh unstable windslab was starting to develop on North-West to North-East aspects above 900 metres in the afternoon. The avalanche hazard is Low." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-04-02T18:00:00", "endTime": "2026-04-03T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: New windslab will develop and be most widespread above 800 metres on North-West to North-East aspects; more localised on West and East to South-East aspects. Areas especially affected will be in steep wind sheltered locations such as coire rims, gully tops and crag aprons. The greatest instability is to be expected during the heaviest snowfall overnight; however unstable windslab will continue to develop during the day. Cornices will be fragile. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "W", "NW" ], "elevation": { "lowerBound": "800" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE", "W", "NW" ], "elevation": { "lowerBound": "1000" } } ], "bulletinID": "GB-SCT-13445", "customData": { "ALBINA": { "mainDate": "2026-04-03" } }, "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" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "E", "SE", "W" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" }, { "mainValue": "considerable", "aspects": [ "N", "NE", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1300" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-04-02T00:00:00", "regions": [ { "regionID": "GB-SCT-2" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Snow fall throughout the forecast period, this will be heaviest during the night. Gale force Southerly winds will ease a little and veer to become West-South-Westerly during the day. The 900 metre freezing level will sharply rise to around 1000 metres overnight before falling to around 800 metres during the day.\nObserved Weather Influences: A dry day with hazy sunshine. Moderate Southerly winds increased to fresh through the afternoon. The freezing level was around 800 metres.\nObservedSnowStability: There is a covering of new snow on all aspects and altitudes. New accumulations of unstable windslab have developed on South-East to South-West aspects above 950 metres. The greatest instability is in steep locations such as convexities, coire rims and the tops of gullies. Fragile cornices also on these aspects. The avalanche hazard is Moderate." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-04-02T18:00:00", "endTime": "2026-04-03T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: After a brief thaw at all levels overnight unstable windslab will form in wind sheltered areas through the day. Greatest accumulations will be in sheltered gullies and on slopes with a mainly North through East to South-Easterly aspect above 850 metres. Other aspects may be affected by cross loading. Fragile cornices will form in similar locations. The old snowpack will generally remain stable, it will be firm and icy in places. The avalanche hazard will be Moderate.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "NW" ], "elevation": { "lowerBound": "850" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E", "SE", "NW" ], "elevation": { "lowerBound": "900" } } ], "bulletinID": "GB-SCT-13444", "customData": { "ALBINA": { "mainDate": "2026-04-03" } }, "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": "1200" }, "validTimePeriod": "all_day" }, { "mainValue": "moderate", "aspects": [ "N", "NE", "E", "SE", "NW" ], "elevation": { "lowerBound": "800", "upperBound": "1200" }, "validTimePeriod": "all_day" } ], "publicationTime": "2026-04-02T00:00:00", "regions": [ { "regionID": "GB-SCT-4" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Rain and summit snow overnight and strengthening winds. The freezing level will rise to 1400-1600m for a short time. Strong southerly winds with summit gales will veer Westerly. As this clears in the early hours of Friday snow showers will feed in from the West and freezing level falls to 600m by midday, and 300m or so by evening.\r\nA degree of thaw through Thursday evening as the rain pushes through, before net snow accumulation building up again with the showers through Friday.\nObserved Weather Influences: Cold and clear conditions overnight gave a frost at all levels, Today has calm clear and cool in the shade. The freezing level is around 800 metres.\nObservedSnowStability: The snowpack re-froze overnight and is generally firm and is icy in places. Stability is good throughout. Any remaining cornices may weaken with the effects of the sun. The avalanche hazard is Low" }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-04-02T18:00:00", "endTime": "2026-04-03T18:00:00" } }, { "avalancheActivity": { "comment": "Forecast Snow Stability: Fresh deposits of unstable windslab will develop during the evening and overnight, mainly on North-West to North-East aspects above 850 metres. There will be a period of instability overnight as this windslab turns to wet snow. Stability in this snow will improve as the temperature lowers. However, there will be further accumulations of unstable windslab, mainly on North-East to South-East aspects above 850 metres. Cornices will be prone to collapse. The avalanche hazard will be Considerable.", "highlights": "" }, "avalancheProblems": [ { "problemType": "wind_slab", "aspects": [ "N", "NE", "E", "SE", "NW" ], "elevation": { "lowerBound": "850" } }, { "problemType": "wet_snow", "aspects": [ "N", "NE", "NW" ], "elevation": { "lowerBound": "850" } }, { "problemType": "cornices", "aspects": [ "N", "NE", "E" ], "elevation": { "lowerBound": "900" } } ], "bulletinID": "GB-SCT-13443", "customData": { "ALBINA": { "mainDate": "2026-04-03" } }, "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": "2026-04-02T00:00:00", "regions": [ { "regionID": "GB-SCT-6" } ], "snowpackStructure": { "comment": "Forecast Weather Influences: Southerly Gale force winds will veer Westerly early morning and become very strong through the day. Precipitation initially falling as snow above 600 metres will then turn to rain and sleet on the summits for a time overnight before further snow showers fall above 500 meters during the day. The freezing level will be around 800 metres then rise above the summits overnight, lowering to around 600 metres during the day.\nObserved Weather Influences: Light Southerly winds increased to moderate during the day. Mostly dry throughout the period. Sunny during the morning then cloud developing in the afternoon. Clear skies overnight and frost in the glens. The freezing level rose through the day to around 900 metres.\nObservedSnowStability: The old snowpack is mostly refrozen, firm and stable. Isolated and shallow accumulations of soft snow are present on North-West through North to East aspects above 850 metres. The avalanche hazard is Low." }, "source": { "provider": { "name": "SAIS", "website": "https://www.sais.gov.uk" } }, "validTime": { "startTime": "2026-04-02T18:00:00", "endTime": "2026-04-03T18:00:00" } } ] }