The second atmospheric river occasion of the wet season is ready to brush the San Francisco Bay Space Monday afternoon into early Tuesday, delivering a drenching of rain and kicking up winds. This upcoming system is anticipated to be weak to reasonable in energy, and far much less extreme than the robust moisture-rich storm that swept the realm on Oct. 24, the Nationwide Climate Service mentioned.
“It isn’t going to be as heavy as what we skilled in October,” mentioned climate service meteorologist Roger Gass of the rainfall coming at the moment. “The primary driver of this higher degree system to the north just isn’t as potent and isn’t as far south because the system that got here in final month.”
A automotive makes an enormous splash driving over a puddle on Third Road in San Rafael, Calif. on Thursday, Oct. 21, 2021.
Sherry LaVars/Marin Unbiased Journal through APThe rain and wind come as a deep trough of low stress over the Gulf of Alaska guides a plume of moisture towards the California coast, the climate service mentioned.
Monday morning is anticipated to be dry, however a shift within the climate can be noticeable as clouds from the west stream into the Bay Space.
Rain showers will initially develop over the North Bay Monday afternoon earlier than spreading south and east. Essentially the most intense rainfall is probably going Monday night time into early Tuesday “because the stronger push of moisture makes landfall with the chilly entrance,” the climate service mentioned. Rain might linger into Tuesday and Tuesday night time earlier than circumstances dry up on Wednesday.
The climate service up to date its projected rain fall totals for the storm, forecasting 3 to 4 inches of rain within the wettest upslope coastal vary areas, from Cazadero to Mt. Tamalpais, and once more over the Santa Cruz mountains, together with the CZU August Lightning Complicated burn scar; 1.5 to 2.5 inches within the North Bay valleys; 1 to 2 inches within the East Bay hills, northern Monterey Bay and Large Sur space; 1 to 1.5 inches round San Francisco and the bay shore; 0.25 to 0.50 inches across the South Bay and Monterey Bay; and fewer than 0.25 inches for the inside Central Coast.
The Oct. 24 atmospheric river introduced twice as a lot rain over an extended timeframe. Injury and flooding with this upcoming storm are anticipated to be minimal.
Winds will develop throughout the area because the storm passes over and the climate service points a wind advisory with sustained winds of 15 to 30 mph and gusts as much as 45 mph anticipated for the better San Francisco Bay Space. “These winds, together with the reasonable to heavy rain, have the potential to down tree or energy traces and trigger tough journey for prime profile autos,” the climate service mentioned.
