Benedicte Myrset, 18, and sister Victoria, 12, died whereas mountaineering within the southern Norway mountains on Sunday. A 3rd sibling survived and is being handled in hospital.
The trio had been strolling within the mountainous space of Hareid in Norway, in response to authorities.
They reported Benedicte, Victoria and the third sibling, from capital Oslo, had been on the Melshorn mountain after they had been struck.
Authorities launched a rescue mission after listening to the trio had been caught in a fierce and surprising thunderstorm on Sunday night at round 5pm.
The air ambulance helicopter attended.
A girl was with the three and alerted emergency providers to the incident, police stated at a Sunday press convention.
The third sibling was significantly injured and transferred to a hospital in Bergen, Norway’s second largest metropolis.
In response to Norwegian broadcaster NRK, greater than 800 lightning strikes had been recorded within the space on Sunday afternoon and early night.
Bernt Brandal, Hareid mayor, issued an announcement on the “deeply tragic occasion” which no one could have predicted because the weather “modified tremendously quick”.
He later told Norwegian newspaper Sunnmørsposten: “The crisis team has been established, and we are meeting now and planning how we will follow this up in the best possible way.”
Marianne Borgen, Oslo mayor, added the sisters tragic deaths have affected the city’s community.
She said: “My warmest ideas go firstly to those women’ dad and mom, the kid who’s within the hospital and instant household and pals.”
Torill Røeggen, the principal at Ullern upper secondary school in Oslo which Benedicte attended, described her as a “mannequin pupil”.