SF’s Wettest Day of the Year is Coming (Mar. 9)
By Eli Walsh, Bay City News
Another large storm will douse the Bay Area and Central Coast later this week, according to weather experts, bringing strong winds, heavy rainfall and renewed risk of flooding across the region. While showers are likely into Thursday, according to the National Weather Service’s San Francisco Bay Area office, a potential atmospheric river could enter the area late Thursday.
San Francisco is expected to see its wettest day of 2023 on Thursday, March 9, 2023 with potentially 1.89 inches of rain followed by another inch on Friday, according to the SF Examiner. – with the heaviest rain expected between 3pm and 10pm.
The City’s previous high for the year was 1.21 inches that fell on January 10, according to National Weather Service data, only a day after 1.2 inches fell between midnight and 4 p.m.
If San Francisco receives the expected total of rainfall it would match 2022’s rainfall on December 26 which kickstarted our blustery storm season this winter. However, the upcoming rainfall is no match to the nearly 5.5 inches of rain that fell on New Year’s Eve and, eventually, prompted San Francisco to declare a state of emergency.
Weather officials described the incoming storm as a “conveyer belt of moisture” entering the region from the tropics in the Pacific Ocean, with an increasing possibility of several inches of rain. “Given the mostly saturated soils flooding concerns seems reasonable,” NWS Bay Area forecasters said Monday. “A hydrological outlook may be needed later in the week to address flooding concerns.”
As of Monday afternoon, the areas at highest risk of more than 2 inches of rainfall include the North Bay, elevated parts of the peninsula in San Mateo County, southern Monterey County and the Central Valley.
The region is also set to see potentially record low temperatures in the middle of the week, while temperatures will remain generally below normal across the Bay Area throughout the week.
Keep abreast of the weather forecast information from the NWS Bay Area office.
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