Severe ice storms and snowstorms happen sporadically during the winter. Snowstorms and rainstorms are important contributors to avalanche danger. Snowfall is variable, with some winters bringing light snow and others bringing numerous snowstorms. During snowstorms, snowfall frequently surpasses 40 centimeters. Winters could be brutal with heavy snowstorms and low temperatures. The average annual snowfall is during the winter (in which severe snowstorms are rare). Snowfall occurs mainly in the west and south, which can result in strong snowstorms. The avalanches were caused by heavy snowstorms in the area. During the winters, Ponca City has mostly mild to strong winters with snowstorms and ice. Protective forces manifest as snowstorms, mists and snow leopards. The advance covered a day, despite heavy blinding snowstorms and subzero temperatures. Bagration's men had to endure worst weather conditions, severe frost, snowstorms and forest debris. The Cherokee endured freezing temperatures, snowstorms, and pneumonia. The winter is fairly mild, and some snowstorms may occur. Lake-effect snowstorms are commonplace in the winter.