https://www.mercurynews.com/2021/07/17/bay-area-issued-red-flag-warning-due-to-dry-lightning-risks-at-high-elevations/ > The National Weather Service has issued a red-flag warning for high-elevation areas in the Bay Area due to the risk of dry lightning sparking fires by the end of the weekend. > Places that are at least 2,000 feet above sea level have a pronounced risk, according to the NWS, which identified parts of the South Bay, East Bay, Peninsula and North Bay — as well as San Benito and Monterey counties — as the focus of the red-flag attention.