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Auxiliary Matrix – Level 5

This report explores the severe weather conditions and the catastrophic avalanches that struck Galtür and Valzur in February 1999. It details the meteorological factors leading to these events, including the influence of steady weather fronts and intense snowfalls. The avalanches resulted in significant loss of life and destruction, with 31 fatalities in Galtür, numerous injuries, and extensive property damage. The report includes statistics and images from the events, highlighting the critical impact on these communities.

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Auxiliary Matrix – Level 5

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  1. Auxiliary Matrix – Level 5

  2. Analysis February 1999 Galtür: (31 +) 23.02.1999 • Valzur: (7 +) 24.02.1999

  3. Weather situation • Steady weather-fronts from north-west (starting on January 27th/28th 1999) • Steady sequence of warm-weather and cold-weather fronts • Nearly daily very intensive snow falls • Stormy winds • Intensive snow-drift

  4. Weather-chart from 15.02.1999 T T H T

  5. Meteorological statistics Februar 1999 NS % NSmax Jahr Rang 99 Periode 1926-1996 Schröcken 483 284 540 1970 2 Warth 490 350 470 1970 1 1945-1996 Partenen 297 333 285 1946 1 1933-1996 1926-1996 Langen 458 318 417 1946 1 Holzgau 351 508 254 1984 1 1895-1996 St. Anton a.A. 230 324 398 1970 4 ?? 1895-1996 Nauders 206 479 240 1970 2 1895-1996 1895-1996 Galtür 375 595 266 1970 1

  6. Avalanche situation - February 1999 street-closure Big avalanche accidents Helicopter fligths (evacuation, inquiries, transport)

  7. Images of the avalanche in Galtür on Tuesday, 23th of February 1999, 04:00 p.m….

  8. Avalanche dimensions, victims and balance of damage in Galtür • Wasserleiter- and Weiße Riefe- Lawine • Width 400m, elevation difference 1000m • Fracture line between 5m and 10m • Mass of the avalanche 130.000 tons • 100 buried people, of them • 31 fatalities (last was found on Feb. 27th) • 11 severly injuried people • 25 little injured people • 60 houses, 100 cars destroyed, approximately 150 Mio ATS damage to property

  9. Images of the Innere Rievenbach-Avalanche in Valzur on Wednesday, 24th of February 1999, 04:24 p.m.

  10. Avalanche dimensions, victims and balance of damage in Valzur Innere Rievenbach-Lawine Width 400m 8 houses destroyed 18 cars destroyed 19 buried people, of them 7 fatalities 1 kid was found after 2 hours of burial time and could survive Stop of the search at 8:00 p.m. (danger!) End of search on Feb. 26th

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