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National Weather Service San Diego, CA Alex Tardy – Warning Coordination Met Highlights February 23th Cold storm system impacts on Southern California • Cold front Friday night and early Saturday • Significant Mountain Snow (low levels) Orange • Rainfall, Wind and Thunderstorm Potential • Cold Temperatures San Diego National Weather Service San Diego, CA Alex Tardy – Warning Coordination Met Statistics Last snow flurries at Lindbergh Field San Diego: January 10, 1949 and January 21, 1937 2006 and 2008 had snow levels as low as 1500 feet Orange December 13, 1967: 2 inches snow Carlsbad (Palomar Airport) Coldest high in February in San Diego: 50 on February 6, 1899 All-time lowest high temperature at San Diego: 45 on January 6, 1913 Lowest high temperatures on February 26: 55 set in 1911 San Diego Last time the high was 50 or colder, January 30, 1975 National Weather Service San Diego, CA 2-day precipitation (Friday through Saturday night) L Subtropical Moisture in Purple National Weather Service San Diego, CA 4 am Friday to 4 am Saturday precipitation San Bernardino Orange Riverside L Subtropical Moisture in Purple San Diego National Weather Service San Diego, CA Saturday Satellite image Today L L L Saturday Subtropical Moisture in Purple National Weather Service San Diego, CA current weather pattern L Arctic Air Subtropical Moisture in Purple National Weather Service San Diego, CA Friday (arctic air approaching) L Arctic Air Subtropical Moisture in Purple National Weather Service San Diego, CA Saturday and Saturday night weather pattern Snow levels as low as 1000 to 2000 feet late Saturday Showers and some thunderstorms LL Subtropical Moisture in Purple Event Hazard Wind Timing Locations Amounts Arctic cold front Gusty west winds ahead of the front and a period of gusty north winds behind. Gusts to 50 mph possible Light precipitation Thursday Main event Friday night and Saturday morning then showers All areas impacted Severe 0.50 to 1.00 inches most areas and up to 2 inches in the higher terrain. Period of heavier rain Friday night into Saturday . Significant snow in the higher elevations 5000-6000 feet ahead of the front lowering to 1500 to 2500 feet on Saturday 1000 -2000 feet Saturday night possible Some thunderstorms on Saturday Temperatures Near record cold Saturday into Sunday Snow Levels National Weather Service San Diego, CA Updates http://weather.gov/sandiego Monitor winds, rainfall and temperatures http://www.wrh.noaa.gov/mesowest/gmap.php?map=sgx weather graphics http://www.wrh.noaa.gov/sgx/# Alex Tardy National Weather Service Warning Coordination Meteorologist