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National Weather Service
San Diego, CA
Alex Tardy – Warning Coordination Met
Highlights
February 24th
Cold storm system impacts on Southern California
• Cold front Friday night and early Saturday
• Significant 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
24 hour precipitation ( 4 pm Friday to 4 pm Saturday)
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Subtropical Moisture in Purple
National Weather Service
San Diego, CA
24 hour precipitation ( 4 am Saturday to 4 am Sunday)
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Subtropical Moisture in Purple
National Weather Service
San Diego, CA
4 am Friday to 4 am Saturday precipitation
San
Bernardino
Orange
Riverside
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Subtropical Moisture in Purple
San Diego
National Weather Service
San Diego, CA
4 am Saturday to 4 am Sunday precipitation
San
Bernardino
Orange
Riverside
L
Subtropical Moisture in Purple
San Diego
National Weather Service
San Diego, CA
Satellite image Today
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L
Subtropical Moisture in Purple
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Saturday
National Weather Service
San Diego, CA
cold front Tonight and Friday
Friday
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Subtropical Moisture in Purple
National Weather Service
San Diego, CA
cold front Saturday morning
Friday midday
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Subtropical Moisture in Purple
Saturday
Morning
National Weather Service
San Diego, CA
current weather pattern
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Arctic Air
Subtropical Moisture in Purple
National Weather Service
San Diego, CA
Friday (arctic air approaching)
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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
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L
Subtropical Moisture in Purple
Event
Hazard
Timing
Locations
Amounts
Arctic Front/Low Snow Levels
Main event Friday night and Saturday
morning then showers into Saturday night
All areas impacted, especially from low snow
levels.
0.50 to 1.50 inches most areas (upper
deserts too) and up to around 3 inches in the
higher terrain. 1 to 3 inches snow above
2000 feet. 6 to 12 inches above 3500 feet.
12 to 24 inches above 5000 feet
Snow Levels
5000-6000 feet ahead of the front lowering
to 1500 to 2500 feet on Saturday
1000 -2000 feet Saturday night possible
Severe
Some thunderstorms on Saturday
Temperatures
Near record cold Saturday/Saturday night
Wind
Gusty west winds ahead of the front and a
period of gusty north winds behind. Gusts
to 50 mph possible
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