Frost/Freeze in Sw S.j. Valley, California

Frost/Freeze February 21, 2018 · Sw S.j. Valley, California

What the National Weather Service wrote

Several locations reported minimum temperatures between 28 and 32 degrees.

The wider storm

The cold airmass over the San Joaquin Valley remained in place as clear skies and light winds prevailed overnight. Radiational cooling allowed for temperatures to drop below the freezing mark for several hours once again during the morning of February 21.

Source: NOAA Storm Events Database, event 731095. Narratives are written by the National Weather Service forecast office that issued the report.

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