The map was highlighted in red and yellow, with red marking "extreme risk" areas that were under mandatory evacuations.
Evacuation and debris flow maps will be updated as needed, the SBCSO said.
Many Santa Barbara County residents were required to evacuate Monday night near areas burned by the Thomas, Sherpa, and Whittier fires. Residents can contact the county Animal Services hotline at 805.681.4332 for assistance evacuating large and small animals.More news: Trailer released of Varun Dhawan's upcoming film 'October'
"Storms can easily exceed forecasts, and we constantly balance this possibility with actions need to keep the public safe", concluded Rob Lewin, director of the Santa Barbara County Office of Emergency Management.
That amount of rainfall was downgraded by late morning, and a flash flood watch for recent burn areas was canceled shortly after 10 a.m. Now forecasters anticipate that rainfall between 7 a.m. and 1 p.m. on Tuesday could reach rates of.3 to.5 inches per hour, with some potential for short periods of up to.7 inches per hour.
Tuesday's storm is the first of three systems forecast to move through the area over the next week.More news: There are 7000 pairs of shoes outside the Capitol. Here's why
County officials redefined their evacuation plans for storm events, according to a statement released earlier Monday, and may evacuate extreme risk areas or both the extreme and high risk areas ahead of a storm that has potential to cause debris flows.
Authorities have issued evacuation orders for some areas devastated by January's deadly mudslides because of another storm expected to hit coastal Southern California.More news: Has $3.17 Million Position in Northrop Grumman Co. (NOC)