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December 8, 2021

Internet Business Newswire

Global Business News

San Diego County Hit with Slight Showers Overnight – NBC 7 San Diego

Monsoon moisture was forecast to bring periods of clouds and even a chance for an early stray burst of showers in San Diego County Sunday, the National Weather Service said.

Showers developed over northern San Diego County earlier Sunday and left some very light rainfall in spots.

NBC 7’s Meteorologist Crystal Egger said some cloud coverage was expected early Sunday but by the evening it would dry out.

“A mix of sun and clouds today. Overall the flow is going to dry out as we get into the afternoon,” she said.

The maximum amount of rainfall on Sunday was 0.03” at Montgomery Field, Santee and Borrego Palm Canyon.

Higher amounts of 0.10-0.25” were possible in the mountains Sunday afternoon, when there was a slight chance of thunderstorms. Farther north, dry weather was expected to continue, the NWS said.

High temperatures along the coast Sunday were predicted to be 74-79 degrees and 81-86 inland with overnight lows of 64-69. Highs in the western valleys will be 85-90 and 92-97 near the foothills, with lows of 65-70.

Mountain highs were expected to be 89-95 with overnight lows of 65-73. Highs in
the deserts will be around 105 with overnight lows of 82-87.

A strong ridge centered over Northern California and a westbound trough over Mexico was expected to keep a brisk easterly flow over Southern California through Monday, the weather service said.

Occasional clouds and increasing low-level moisture was expected to help moderate daytime temperatures, except over the high deserts, where excessive heat was forecast through Monday.

Later this week, a trough along the West Coast is forecast to bring a drier southwest flow aloft, and cooler weather.

On Tuesday, the winds are likely to weaken as the ridge to the north collapses and the trough deepens from the north as atmospheric moisture dries up over the mountains and deserts, forecasters said.

This will not be the case over the coastal basin though, because low pressure will be slowly developing in the mid-lower atmosphere just off the coast, the weather service said.

This flow will favor a deep marine layer and more low clouds next weekend.