Unstationary aspects of foehn in a large valley part I: operational setup, scientific objectives and analysis of the cases during the special observing period of the MAP subprogramme FORM

H. Richner; K. Baumann-Stanzer; B. Benech; H. Berger; B. Chimani; M. Dorninger; P. Drobinski; M. Furger; S. Gubser; T. Gutermann; C. Häberli; E. Häller; M. Lothon; V. Mitev; D. Ruffieux; G. Seiz; R. Steinacker; S. Tschannett; S. Vogt; R. Werner