Strong Santa Ana winds bore down on much of Los Angeles, San Bernardino and Riverside counties in the first two days of 2013, whipping the area with debris, creating hazards for drivers and toppling one truck.

The winds died down by Wednesday afternoon, but were expected to pick up again in the evening and into today, as the National Weather Service issued warnings and advisories throughout the Los Angeles area.

The NWS forecast high temperatures in the 60s and low 70s Thursday, normal for January, with winds dissipating by the afternoon. A dry mass was expected to drop overnight temperatures to freezing or even lower.

Strong winds blow a flag in Porter Ranch on Jan. 2, 2013. (Andy Holzman/Los Angeles Daily News)
Strong winds blow a flag in Porter Ranch on Jan. 2, 2013. (Andy Holzman/Los Angeles Daily News)

Through the weekend, the forecast calls for mostly sunny skies and a break in the region's rainy season, giving Southland residents an opportunity to enjoy cool days at the beach or snow trips in the mountains.

Wednesday's winds, gusting up to 50 mph in some areas, made for difficult driving.

A big rig overturned in Devore because of the high winds on the northbound connector of the 15 Freeway to the 215 Freeway.

NWS warned that other high-profile vehicles such as trucks and RVs were susceptible to toppling, especially on east-west freeways in the Inland Empire.

Trees were also prone to falling over because recent rains had saturated the soil.


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"It could be enough to down some power lines, so it's possible people could be out of electricity," NWS weather specialist Bonnie Bartling said.

Winds were strongest in the mountains, where a high-wind warning was in effect as gusts reached 70 mph in one spot, Los Angeles Fire Camp 9 near Sylmar.

Advisories covered the Inland Empire, San Fernando and Santa Clarita valleys and coastal areas, with winds of 25 to 35 mph and gusts up to 50 mph.

The advisory didn't include the San Gabriel Valley, which was good news for Rose Parade floats that remained on display in Pasadena.

The Los Angeles County Fire Department reported no wind-related incidents on Wednesday.