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GEOPHYSICAL RESEARCH LETTERS,
VOL. 30,
1977,
4 PP., 2003
doi:10.1029/2003GL018103
NAO impact towards the springtime snow disappearance in the western Eurasian continent
Institute of Geoscience, University of Tsukuba, Ibaraki, Japan
Hydrospheric Atmospheric Research Center, Nagoya University, Aichi, Japan
The atmospheric control over the disappearance of snow in western Eurasia and its relationship to the North Atlantic Oscillation (NAO) are investigated. While the NAO has a strong effect on the lower tropospheric temperature in the region, its ability to force control over the snow extent is confined to western Europe in January and February. Successive composite differences and heat budget analysis reveals a northeastward propagation of snow cover anomaly maintained by an anomalous zonal heat advection related to the NAO from January to March, and the intrusion of warm climatological southerly maintaining the snow anomaly until April.
Received 6 July 2003; accepted 2 September 2003; published 3 October 2003.
Citation: (2003), NAO impact towards the springtime snow disappearance in the western Eurasian continent, Geophys. Res. Lett., 30(19), 1977, doi:10.1029/2003GL018103.
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