At the same time as rain was set to fall once more all through the day Monday, the Nationwide Climate Service mentioned indicators remained in place that the Bay Space’s most up-to-date moist interval could also be able to be put into the previous tense.
“Once the sun sets,” Nationwide Climate Service meteorologist Nicole Sarment mentioned, “this latest system will be done.”
The system — the final in a weak atmospheric river sample that has introduced rain steadily since final Tuesday — was set to drop a quarter-inch to a half-inch on areas of the area Monday.
These showers shall be remoted however at instances could also be very heavy with gusty winds and small hail, in accordance with the climate service. The company mentioned there was a ten%-to-20% likelihood that some areas might see transient thunderstorms.
“We still have a decent chunk of the system across the East Bay and South Bay that’s continuing to push southeast,” Sarment mentioned. “So you’re going to see isolated showers fall throughout the day. It won’t be a washout by any means, but it will be there on and off.”
Rain from the third system started to fall late Sunday evening in some locations, whereas different areas — primarily in Santa Cruz County — skilled regular rain for a lot of the day. By 7 a.m., the climate service’s 24-hour rainfall totals confirmed two inches of rain in Ben Lomond and 1 1/2 inches in Mt. Umunhum.
Elsewhere, the totals confirmed a quarter-inch in downtown Oakland, San Francisco and Mill Valley; two-tenths of an inch in San Jose; one-tenth of an inch in Livermore and Danville; and hint quantities in Harmony.
Sarment mentioned that the departure of that rain later Monday will sign the tip of the atmospheric river sample. A brand new sample from the Gulf of Alaska then will take over on Wednesday and is predicted to convey extra rain — although not a heavy quantity in areas outdoors of the North Bay. Even the totals within the North Bay are anticipated to be smaller than traditional for such a storm.
That rain is predicted to fall from Wednesday afternoon into Thursday.
“It’s another beneficial rain system,” Sarment mentioned. “In the East Bay and South Bay, we’re looking at maybe a tenth of an inch, so it’s going to be very light.”
It gained’t be mild within the Sierra Nevada, the place a storm warning remained in place till 11 p.m. The climate service predicted 8 to 18 inches of snow above 7,000 toes and 4 to 12 inches under it. They mentioned journey “could be very difficult to impossible.”
Sarment additionally mentioned that Bay Space rain initially was imagined to be adopted once more by extra rain on Friday. However forecasters have modified their outlook — saying that storm system is trending increased north and is not a risk for the area.
That seems to sign a shift right into a extra spring-like local weather, with increased stress seemingly beginning to settle in and rain changing into an increasing number of uncommon as a part of the growing patterns, Sarement mentioned. By the weekend, temperatures are anticipated to climb once more into the excessive 60s and maybe into the low 70s.
Initially Printed: March 17, 2025 at 8:05 AM PDT
