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SAN DIEGO — Some schools will shift to online learning Tuesday because of a winter storm that has brought scattered rainfall and gusty winds to the San Diego area.

Because of expected severe weather, high winds and icy road conditions, Julian Union Elementary School District, Julian Union High School District, Spencer Valley School District and Warner Unified School District will participate in distance learning for all students Tuesday, March 16.

The National Weather Service said some areas of the county saw record-breaking cold temperatures Monday:

LOCATION             NEW RECORD         OLD RECORD        PERIOD OF RECORD

VISTA                    54             56 IN 1963              1957
RIVERSIDE                54    TIED     54 IN 1952              1893
SAN JACINTO              52             53 IN 1999              1948
ESCONDIDO                55             56 IN 2008              1893
RAMONA                   51             52 IN 1999              1974
ALPINE                   50             53 IN 1982              1951

The showers generated by the unsettled atmospheric system sweeping in from the north began in the late morning and were expected to continue intermittently into the nighttime hours, according to the National Weather Service.

As of 3 p.m., the bands of clouds had dropped up to about a quarter of an inch of moisture along the coast, just over a third of an inch in some inland-valley locales and a maximum of roughly three-fifths of an inch in the East County highlands, meteorologists reported.

Winds gusts whipped up by the storm, meanwhile, reached top-end speeds of 93 mph in the mountains, 56 mph in the deserts, nearly 45 mph in the valleys and about 35 mph along the coast, the NWS advised.

A winter weather advisory was slated to remain in effect through 3 a.m. Tuesday in the mountains, where the snow level likely will drop to as low as 3,000 feet Monday evening, accumulating 2 to 4 inches deep above 3,500 feet, 4 to 8 inches above 5,000 feet and 8 to 12 inches above 6,000 feet.

An NWS high wind warning will remain in effect through 3 a.m. Tuesday in the mountains and deserts.

Monday morning, all Julian Union High School District campuses shifted to distance learning due to the high winds and icy roads, according to the county Office of Education.

Dry weather and warmer temperatures will return Tuesday and prevail for the remainder of the workweek, forecasters said.

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