The National Weather Service office in San Diego Thursday issued a blizzard warning for the San Bernardino Mountains as gusty winds, torrential rain, and heavy mountain snowfall battered San Diego County. Meteorologists predicted travel would be difficult or "impossible" as the National Weather Service issued a first-of-its-kind blizzard warning. MORE: https://www.cbs8.com/article/weather/san-diego-winter-storm-continues/509-0680089c-6823-47b1-a2c5-7e13c3a86091