Figure 9
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Situations synoptiques correspondant aux plus fortes fréquences de gelées en hiver (décembre-janvier-février) à Tours sur la Normale climatique 1981-2010, d’après la classification de Hess et Brezowsky (d’après données ECMWF ERA-40). Synoptic situations corresponding to the highest frost frequencies in winter (December-January-February) in Tours over the climate normal period 1981-2010, according to the Hess and Brezowsky classification (according to ECMWF data ERA-40).
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