Heat — East Bay Interior Valleys, California

2009-05-17 · East Bay Interior Valleys, California

Event narrative

Several people sought medical attention due to heat-induced fainting spells in Anitoch and Walnut Creek. Also, an electric transformer failed sparking a fire in Walnut Creek near the intersection of Wiget Lane and Ygnacio Valley Road causing 108 customers to lose power. The fire damaged nearby vegetation and an olive tree.

Wider weather episode

High pressure aloft centered over Reno, NV along with weak offshore flow at the surface caused temperatures to rise to near 100 degrees in the inland valleys of north-central California. Heat exhausted individuals, blown electric transformers and power outages accompanied the heat.

Source: NOAA Storm Events Database, event_id 172311. Narrative written by the NWS forecast office that issued the report.