Overview

• The National Weather Service in Hanford issued an 8:29 p.m. update placing Yosemite and nearby foothill and Sierra zones under a strong thunderstorm alert effective until 9 p.m.
• Doppler radar detected a storm over Bootjack, about 16 miles west of the Yosemite South Entrance, moving northeast at roughly 30 mph.
• The system may produce pea-sized hail around 0.25 inches in diameter, and minor damage to vegetation is possible.
• Torrential rain and frequent cloud-to-ground lightning are occurring, and officials urge people to avoid flooded roads, seek enclosed shelter, and wait 30 minutes after the last thunder before resuming outdoor activity.
• Impacted locations listed in the alert include Yosemite Valley, El Portal, Glacier Point, Camp 4, Wawona and Hodgdon Meadow campgrounds, Bridalveil Creek and Crane Flat areas, Tamarack Flat, Gin Flat and the Wawona Visitor Center.