A fast-moving storm could bring a half inch to an inch and a half of rain to the Tri-Counties.
The storm is predicted to arrive Wednesday afternoon and move through the region by Thursday evening.
A low-pressure system west of San Luis Obispo will generate the rainfall as it moves east. A flood watch is in effect for much of central and southern Santa Barbara County. Minor street flooding is possible, along with debris flows in areas recently burned by brush fires…