Excessive Heat — Southern Sacramento Valley, California

2017-06-18 to 2017-06-23 · Southern Sacramento Valley, California

Event narrative

A Sacramento hospital suffered power outages when two different transformers were blown. This caused a postponement of elective surgeries and required the purchase and rental of fans, coolers and other equipment. High temperatures in downtown Sacramento were 106 on the 18th (record), 107 on the 19th (record), 106 on the 20th, 106 on the 21st, and 108 on the 22nd (record).

Wider weather episode

High pressure ridging brought an unusually long and strong heat wave for the month of June, with a remarkable 24 new record high temperatures and 16 record high minimum temperatures being set in the area. At the peak of the heat wave on the 21st, Redding reached 112, Red Bluff 113, Marysville 112, downtown Sacramento 108 and Stockton 108. A heat related fatality was reported in Sacramento County, two in Glenn County, as well as multiple people hospitalized due to the heat. There were nine cooling centers opened at the peak of the heat event in Sacramento County. Several power outages were reported at a hospital in Sacramento, and one roadway may have had damage due to the heat.

Source: NOAA Storm Events Database, event_id 700620. Narrative written by the NWS forecast office that issued the report.