Frost/Freeze — Southern San Joaquin Valley, California

1999-12-03 to 1999-12-08 · Southern San Joaquin Valley, California

Wider weather episode

The morning of the 3rd in the South San Joaquin Valley had the first "freezing" temperature of this episode with Wasco as the lone reported 32 degree F reading. For this cold episode of the 3rd through the morning of the 8th, the 4th was the coldest with numerous stations in the Central and South San Joaquin Valley below freezing including Arvin at 24F, Wasco, 25F, and Visalia and Merced at 28 degrees F. For citrus crops... no substantial frost damage likely occurred. It was a little milder the mornings of the 5th through the 7th. On the 8th...Coldest citrus locations were in the 26-28 deg F range. Some readings included 26F at Arvin, 27F at Visalia and Wasco, 28F at Lemoore, Hanford, and Madera, and 27Fat Riverbend (Duration less than freezing of 7 hours and 1 hour at 27F). The first night likely for agriculture to protect its coldest locations occurred on the 4th and subsequently on the 8th.

Source: NOAA Storm Events Database, event_id 5721822. Narrative written by the NWS forecast office that issued the report.