Fire-ravaged areas prepare for rain and mud

California Conservation Corps workers, including Markece Peco, right, fill sandbags while crews position barriers to block potential mudslides along Via Lomas de Yorba East, near Box Canyon in the Yorba Linda burn area. The area is under voluntary evacuation.   (Allen J. Schaben / Los Angeles Times)

Box Canyon resident Taylor Hock, 15, rides the scorched hillside near his home in the Yorba Linda burn area. His family will be staying in a hotel tonight. The area is under voluntary evacuation.  (Allen J. Schaben / Los Angeles Times)

Landscaper Jesus Serrato prepares a scorched hillside above the Cascades apartment complex in Anaheim Hills for possible mudslides. The Freeway Complex fire burned much of the protective vegetation around the building.  (Allen J. Schaben / Los Angeles Times)

Landscaping crews bring in sandbags to fortify a hillside in Anaheim Hills. The fire-ravaged area could receive up to two inches of rain in the next few days.  (Allen J. Schaben / Los Angeles Times)

Jose Guillen hauls sandbags to a hillside above the Cascades apartments, where units burned in the recent fire.  (Allen J. Schaben / Los Angeles Times)

In Anaheim Hills and other scorched areas, crews rushed to prepare hillsides for a storm forecasters said would bring the most rain the region had experienced in more than nine months.  (Allen J. Schaben / Los Angeles Times)

Workers attach a protective grid to a storm drain in Sylmar in preparation for mudflows that could result from rains later this week. The area was recently charred by the Sayer fire.  (Barbara Davidson / Los Angeles Times)