A strong storm is expected to hit the Bay Area this Wednesday, prompting authorities to issue flood warnings. Heavy rains are forecasted, with up to 4 inches of water expected to accumulate in areas such as Sonoma, Napa, San Francisco, and Santa Cruz counties. The storm could also lead to flooding of rivers and streams north of the Bay.
The storm is being caused by a low-pressure system that will bring tropical humidity, winds exceeding 30 mph, and the risk of flooding due to heavy rain. The forecast predicts approximately 1.4 inches of precipitable water for the northern Bay and 1 to 1.25 inches for southernmost areas late Wednesday. In the mountainous area north of the bay, 6 to 8 inches of rain could accumulate, while the Coastal Mountains further south could see 4 to 6 inches of rain.
The rain is expected to fall at a rate of 0.25 to 0.35 inches per hour, with higher elevations potentially experiencing rates of up to 0.5 inches per hour. This forecast raises concerns about potential flooding of rivers, streams, and landslides.
The Russian River near Guerneville has a 25 percent chance of reaching flood stage by Thursday, prompting a flood watch to be issued from 4 a.m. Wednesday to 4 a.m. Friday. Strong winds are also anticipated, with southerly winds and gusts reaching up to 35 mph on the coast and 50-60 mph on mountain peaks and ridges. A high wind warning has been issued from 7 a.m. Wednesday to 4 a.m. Thursday.
The combination of saturated soils and strong winds could lead to trees and power lines falling, causing potential power outages and street closures. The public is advised to turn around if they encounter a flooded road, stay away from rivers and streams, clean drains and sewers, avoid downed power lines, and secure loose outdoor items.
Beyond Wednesday and Thursday, showers are expected to become more scattered and lighter until the weekend. Friday and Saturday mornings are forecasted to be the coldest days, with temperatures in the range of 30 degrees. Another band of widespread rain is expected to return on Sunday, but to a lesser extent until Monday.
In other news, a small plane crashed at a Concord intersection, resulting in the death of one person. The accident occurred at the intersection of Concord Avenue and Diamond Boulevard near Buchanan Field Airport. There is still no official information on how many people were on board the aircraft when it crashed. The Federal Aviation Administration and the National Transportation Safety Board will conduct the investigation to determine the cause of the accident.
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