The opening wave in what meteorologists have referred to as a weak atmospheric river system dumped a couple of half-inch of rain all through the Bay Space on Wednesday and nonetheless was dropping scattered showers early Thursday, in keeping with the Nationwide Climate Service.
It was more likely to maintain doing so into Thursday night, forecasters mentioned.
“You’re gonna see it on-and-off until it finally moves out,” NWS meteorologist Brayden Murdock mentioned. “Then it’s gonna take a bit longer to get to the next band of rain than we first thought it would.”
The climate service now believes the second in what is anticipated to be a three-storm sequence is more likely to hit the Bay Space early Friday, following a break of a number of hours. The rain shouldn’t be anticipated to fall as exhausting because it did within the first storm, and the winds additionally have been anticipated to be calmer, in keeping with the climate service.
As anticipated, the storm Wednesday introduced gusts that rose as excessive as 78 mph on the Black Diamond Mines in Antioch; 66 mph on Mount Diablo and 61 mph at Harmony’s Buchanan Airport. The gusts have been as excessive as 59 mph on the San Francisco Airport, in Livermore and on Mt. Umunhum in Santa Cruz County.
These gusts accompanied showers that dropped about two-thirds of an inch of rain in south San Francisco and about one-third of an inch downtown by 7 a.m. Thursday. A half-inch of rain fell in Oakland and most elements of the East Bay. and about two-thirds of an inch fell in San Jose.
The energy of the winds got here from what the climate service referred to as a slender cold-frontal rainband, a slender band of storm exercise that the company on social media mentioned is “typically short in duration but high in wind and rainfall intensity.”
An analogous band that’s not fairly as robust is anticipated when the subsequent wave of the storm hits, Murdock mentioned. Nonetheless, it may create thunder and lightning and convey remoted showers which can be highly effective, in keeping with the climate service. Such strikes have been minimal and out over the ocean through the preliminary storm.
The third and last storm nonetheless is anticipated to achieve the area on Sunday, raining down into Monday, in keeping with the climate service. Forecasters predict a sunny day on Tuesday earlier than extra rain settles into the area on Wednesday.
