Climatic characterization of foehn episodes in Piedmont, Italy
Keywords:
Foehn episodes, Synoptic configuration, Potential temperature, Wind speed, Piedmont, ItalyAbstract
An analysis of the yearly, seasonal and monthly frequency of North and North-West foehn in north-western Piedmont (Italy) has been carried out considering weather stations located in the Susa Valley, one of the largest valleys in the region. The detection of foehn episodes has been performed by adopting synoptic, mesoscale and punctual recognition criteria. The yearly, monthly and seasonal distributions of foehn episodes have been investigated. The foehn event occurred on 16th-18th December 2005 has been selected and analyzed separately as a case representative of all foehn cases in Susa valley. It has been verified that the comparison among the potential temperatures measured at a downstream station and at a reference station representative of the flow at crest level is a good indicator of foehn occurrence.
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Copyright (c) 2024 Simona Fratianni, Claudio Cassardo, Roberto Cremonin (Author)
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