Southern Hemisphere Longterm Snow Cover Frequencies (1987-2003)

Southern Hemisphere long-term snow cover
Southern Hemisphere long-term snow cover frequencies (1987-2003) derived from SSM/I-derived SWE frequency of occurrence. Areas with "likely" snow are limited to the Andes Mountains region and New Zealand. Frequency thresholds are a function of month (20% for October through May, 7% for June through September). These frequency maps are used for Southern Hemisphere processing.