{
  "bulletins": [
    {
      "avalancheActivity": {
        "comment": "Early morning: The surface of the snowpack will freeze to form a strong crust. The conditions are generally favourable for ski touring. <br/> From the middle of the day the natural activity of avalanches will increase. In particular in starting zones where no previous releases have taken place and on very steep slopes more medium-sized and, in isolated cases, large natural wet avalanches are possible. <br/> Backcountry tours and ascents to alpine cabins should be concluded timely.",
        "highlights": "The danger of moist and wet avalanches will increase during the day."
      },
      "avalancheProblems": [
        {
          "problemType": "wet_snow",
          "aspects": [
            "SW",
            "S",
            "E",
            "SE"
          ],
          "avalancheSize": 1,
          "elevation": {
            "upperBound": "2500"
          },
          "frequency": "few",
          "snowpackStability": "poor",
          "validTimePeriod": "earlier"
        },
        {
          "problemType": "wet_snow",
          "aspects": [
            "NW",
            "NE",
            "SW",
            "N",
            "W",
            "S",
            "E",
            "SE"
          ],
          "avalancheSize": 3,
          "elevation": {
            "lowerBound": "2200",
            "upperBound": "3200"
          },
          "frequency": "few",
          "snowpackStability": "poor",
          "validTimePeriod": "later"
        }
      ],
      "bulletinID": "4420728d-6d95-415e-bd0f-43914bb06e66",
      "customData": {
        "ALBINA": {
          "mainDate": "2026-04-18"
        },
        "LWD_Tyrol": {
          "dangerPatterns": [
            "DP10"
          ]
        }
      },
      "dangerRatings": [
        {
          "mainValue": "low",
          "validTimePeriod": "earlier"
        },
        {
          "mainValue": "moderate",
          "validTimePeriod": "later"
        }
      ],
      "lang": "en",
      "publicationTime": "2026-04-17T15:00:00+00:00",
      "regions": [
        {
          "regionID": "IT-23-AO-11",
          "name": "B - VALLE DI CHAMPORCHER"
        },
        {
          "regionID": "IT-23-AO-06",
          "name": "B - ALTA VALLE DI GRESSONEY"
        },
        {
          "regionID": "IT-23-AO-25",
          "name": "B - TESTATA VAL D'AYAS SAINT-JACQUES"
        },
        {
          "regionID": "IT-23-AO-09",
          "name": "B - VALLI DI GRESSONEY, AYAS, CHAMPORCHER"
        },
        {
          "regionID": "IT-23-AO-07",
          "name": "B - MEDIA VAL D'AYAS BRUSSON"
        },
        {
          "regionID": "IT-23-AO-08",
          "name": "B - MEDIA VALLE DEL LYS"
        }
      ],
      "snowpackStructure": {
        "comment": "20 to 40 cm of snow, and even more in some localities, fell on Monday above approximately 2300 m. The weather conditions gave rise to rapid settling of the snowpack. New snow and wind slabs are lying on a wet old snowpack. <br/> At higher altitudes, snow cover becomes thinner and patchy; it is better at mid-altitudes, which are less exposed to the wind. Below approximately 1900 m hardly any snow is lying. <br/> Weak layers exist in the snowpack in particular on steep shady slopes."
      },
      "source": {
        "provider": {
          "name": "AINEVA Valle d'Aosta",
          "website": "https://bollettini-en.aineva.it"
        }
      },
      "tendency": [
        {
          "highlights": "Outgoing longwave radiation during the night will be reduced in some case. As the moisture increases more moist and wet avalanches are possible.",
          "tendencyType": "steady",
          "validTime": {
            "startTime": "2026-04-18T22:00:00+00:00",
            "endTime": "2026-04-19T22:00:00+00:00"
          }
        }
      ],
      "unscheduled": false,
      "validTime": {
        "startTime": "2026-04-17T22:00:00+00:00",
        "endTime": "2026-04-18T22:00:00+00:00"
      }
    },
    {
      "avalancheActivity": {
        "comment": "The conditions are generally favourable for ski touring. <br/> The surface of the snowpack will freeze to form a strong crust and will already soften in the late morning. <br/> As a consequence of warming during the day and solar radiation there will be a gradual increase in the danger of moist and wet avalanches. In starting zones where no previous releases have taken place and on very steep slopes more small and, in isolated cases, medium-sized moist snow slides and avalanches are possible. <br/> Backcountry tours and ascents to alpine cabins should be concluded timely.",
        "highlights": "The danger of moist and wet avalanches will increase during the day."
      },
      "avalancheProblems": [
        {
          "problemType": "wet_snow",
          "aspects": [
            "SW",
            "S",
            "E",
            "SE"
          ],
          "avalancheSize": 1,
          "elevation": {
            "upperBound": "2500"
          },
          "frequency": "few",
          "snowpackStability": "poor",
          "validTimePeriod": "earlier"
        },
        {
          "problemType": "wet_snow",
          "aspects": [
            "NW",
            "NE",
            "SW",
            "N",
            "W",
            "S",
            "E",
            "SE"
          ],
          "avalancheSize": 1,
          "elevation": {
            "lowerBound": "2200",
            "upperBound": "3200"
          },
          "frequency": "some",
          "snowpackStability": "poor",
          "validTimePeriod": "later"
        }
      ],
      "bulletinID": "90be195f-afcb-49bc-a63d-ef50ed1274f5",
      "customData": {
        "ALBINA": {
          "mainDate": "2026-04-18"
        },
        "LWD_Tyrol": {
          "dangerPatterns": [
            "DP10"
          ]
        }
      },
      "dangerRatings": [
        {
          "mainValue": "low",
          "validTimePeriod": "earlier"
        },
        {
          "mainValue": "low",
          "elevation": {
            "upperBound": "2200"
          },
          "validTimePeriod": "later"
        },
        {
          "mainValue": "moderate",
          "elevation": {
            "lowerBound": "2200"
          },
          "validTimePeriod": "later"
        }
      ],
      "lang": "en",
      "publicationTime": "2026-04-17T15:00:00+00:00",
      "regions": [
        {
          "regionID": "IT-23-AO-20",
          "name": "D - CERVINIA E ALTA VALPELLINE"
        },
        {
          "regionID": "IT-23-AO-23",
          "name": "A - TESTATA SAINT-BARTHELEMY"
        },
        {
          "regionID": "IT-23-AO-12",
          "name": "C - VAL DI COGNE AYMAVILLES"
        },
        {
          "regionID": "IT-23-AO-01",
          "name": "A - SAINT-PIERRE SAINT-NICHOLAS"
        },
        {
          "regionID": "IT-23-AO-24",
          "name": "A - VALTOURNENCHE"
        },
        {
          "regionID": "IT-23-AO-13",
          "name": "C - VALSAVARENCHE"
        },
        {
          "regionID": "IT-23-AO-02",
          "name": "A - INTROD ARVIER"
        },
        {
          "regionID": "IT-23-AO-21",
          "name": "C - VAL DI RHEMES"
        },
        {
          "regionID": "IT-23-AO-10",
          "name": "B - CHAMPDEPRAZ MONTE AVIC"
        },
        {
          "regionID": "IT-23-AO-22",
          "name": "D - VAL VENY"
        },
        {
          "regionID": "IT-23-AO-16",
          "name": "D - VALGRISENCHE"
        },
        {
          "regionID": "IT-23-AO-05",
          "name": "A - BASSA VALTOURNENCHE CHATILLON"
        },
        {
          "regionID": "IT-23-AO-17",
          "name": "D - LA SALLE MORGEX"
        },
        {
          "regionID": "IT-23-AO-14",
          "name": "D - VAL FERRET"
        },
        {
          "regionID": "IT-23-AO-03",
          "name": "A - QUART NUS"
        },
        {
          "regionID": "IT-23-AO-26",
          "name": "A - PONTEY"
        },
        {
          "regionID": "IT-23-AO-15",
          "name": "D - VALLE DI LA THUILE"
        },
        {
          "regionID": "IT-23-AO-04",
          "name": "A - POLLEIN SAINT MARCEL"
        },
        {
          "regionID": "IT-23-AO-18",
          "name": "D - GRAN SAN BERNARDO OLLOMONT"
        },
        {
          "regionID": "IT-23-AO-19",
          "name": "D - BASSA E MEDIA VALPELLINE"
        }
      ],
      "snowpackStructure": {
        "comment": "The surface of the snowpack has frozen to form a strong crust. New snow and wind slabs are lying on a wet old snowpack. <br/> At higher altitudes, snow cover becomes thinner and patchy; it is better at mid-altitudes, which are less exposed to the wind. Below approximately 1900 m hardly any snow is lying. <br/> Weak layers exist in the snowpack in particular on steep shady slopes. <br/> As a consequence of the snow drift accumulations will stabilise during the next few days."
      },
      "source": {
        "provider": {
          "name": "AINEVA Valle d'Aosta",
          "website": "https://bollettini-en.aineva.it"
        }
      },
      "tendency": [
        {
          "highlights": "Outgoing longwave radiation during the night will be reduced in some case. More moist and wet avalanches are possible.",
          "tendencyType": "steady",
          "validTime": {
            "startTime": "2026-04-18T22:00:00+00:00",
            "endTime": "2026-04-19T22:00:00+00:00"
          }
        }
      ],
      "unscheduled": false,
      "validTime": {
        "startTime": "2026-04-17T22:00:00+00:00",
        "endTime": "2026-04-18T22:00:00+00:00"
      }
    }
  ]
}