Winds gusting up to 40 mph on the Valley's west side are kicking up dust, making driving difficult for tall vehicles and raising health concerns.
Brian Ochs, a meteorologist for the National Weather Service in Hanford, said a low-pressure area over the Great Basin is creating conditions for strong northwest breezes.
The high winds are expected to die down Thursday night in the central part of the Valley, but are expected to persist along the Grapevine and in Kern County.
The San Joaquin Valley Air Pollution Control District issued a caution for the region because of the dust. Small particles can cause serious health problems, aggravate lung disease and trigger asthma attacks, the district warned.
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