A downed tree in the Santa Cruz Mountains is blocking Summit Road Thursday morning. 

The fallen tree also took out power lines along Summit Road just east of Highway 17. 

Drivers are being advised to avoid the area. 

Authorities say the tree fell at around 4 a.m. 

Use KRON4’s Traffic Map to navigate around the closure. 

The tree fell during a strong storm that is pummeling the Bay Area with rain Thursday morning. 

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