Two people have been found dead in Sonoma County in less than 24 hours from the effects of the atmospheric river storm systems battering the Bay Area this week, authorities said Thursday.

Days of relentless rain have flooded roads and downed trees across Sonoma County, forcing multiple closures. As of 9:30 a.m. Friday, at least 20 roads were closed due to storm damage, according to Sonoma County’s road closure map, including:

Two storm-related deaths were reported around Santa Rosa in the last 24 hours as rivers swelled and another round of rain moved in, authorities said Thursday morning.