Update: Coastal flood advisory in place for Northern California until 1 a.m. Wednesday

North Bay Interior Valleys and San Francisco Bay Shoreline as well as San Francisco County are the focus of an updated coastal flood advisory published at p m on Tuesday by the National Weather Function The advisory is valid from p m until Wednesday July at a m Minor coastal flooding expected according to the NWS San Francisco CA Up to one foot inundation above ground level is accomplishable in low-lying areas near shorelines and tidal waterways At the San Francisco tidal gauge high tide is expected to be feet above normal ft MLLW at p m Tuesday High tide timing varies up to hours earlier or later along the coast and throughout the Bay Flooding of lots parks and roads with only isolated road closures expected the NWS reported If progress is required allow extra time as selected roads may be closed Do not drive around barricades or through water of unknown depth Take the necessary actions to protect flood-prone property How to use a sandbag and where to get sandbags in your area Follow these instructions on how to use sandbags and other flood preparation tips to protect your home and click on the links below to get sandbags in your county Where to get sandbags in San Mateo County Where to get sandbags in Alameda County Where to get sandbags in Santa Clara County Developing down weather alerts advisories watches and warnings Flash flood warning Take action A flash flood warning is issued when a flash flood is imminent or occurring If you are in a flood-prone area move right now to high ground A flash flood is a sudden violent flood that can take from minutes to hours to develop It is even viable to experience a flash flood in areas not right now receiving rain Flood warning Take action A flood warning is declared when flooding is on the verge of happening or is already underway Flood advisory Be aware A flood advisory is published when flooding is not expected to reach a severity level necessitating a warning Nonetheless it can still cause considerable inconvenience and without exercising caution potentially lead to situations that threaten life and or property Flood watch Be prepared A flood watch is issued when conditions are favorable for flooding It does not mean flooding will occur but it is practicable When floods strike Guidelines from the NWS for your protection Floods can pose a important threat especially if you live in a flood-prone area or find yourself camping in a low-lying region To ensure your safety the NWS offers essential flood safety guidelines Move to higher ground If you reside in a flood-prone region or are camping in low-lying terrain the first step to safety is relocating to higher ground Follow evacuation orders If local officials issue an evacuation order heed it promptly Prior to leaving secure your home by locking it Disconnect utilities and appliances If time permits disconnect your utilities and appliances This precaution minimizes electrical hazards during flooding Avoid basements and submerged areas Avoid basements or rooms submerged in water with electrical outlets or cords Preventing electrical accidents is crucial Swift evacuation for your safety If you notice sparks or hear buzzing crackling snapping or popping sounds evacuate without delay Do not enter water that may carry an electrical charge Stay away from floodwaters Never attempt to walk through floodwaters even if they appear shallow Just inches of fast-moving water can forcefully sweep you off your feet Seek high ground if trapped Should you become trapped by moving water reach the highest point practicable and dial to contact crisis services During heavy rainfall the liability of flooding is heightened especially in low-lying and flood-prone regions Invariably remember never to drive through water on the road no matter how shallow it appears According to the NWS as little as inches of rapidly flowing water can carry away bulk vehicles Stay safe by being prepared and informed