Below that is red, meaning high danger of fires that burn rapidly and intensely and are difficult to control.
Pimlott says the winds could hit 80 mph (129 kph) and make it impossible to fight Southern California wildfires that have destroyed at least 200 homes and buildings.
A surge from the biggest of the wildfires burning in Southern California has forced several thousand more people to evacuate in a community of artists and resorts, according to the AP.
Ventura County sheriff's Sgt. Eric Buschow says flames have been creeping closer and slowly surrounding the town of Ojai (OH'hi), and on Tuesday night increasing winds brought them close enough to expand evacuation orders there.
Flames, now about 4 miles away, were visible from the city's downtown for the first time on Tuesday night, and ash was raining down.