Temperatures dropped significantly in Southern California on Monday, with rain forecast for the rest of the week. Meanwhile, a powerful winter storm hit Northern California late Monday, bringing several inches of rain and high winds.
Atmospheric rivers, or weather systems that move high concentrations of water vapor out of the tropics, could bring 1-3 inches of rain to coastal areas on Tuesday, with 3-5 inches or more at higher elevations. There is a nature.the service saidAtmospheric rivers can be as strong as category 4 on scales above 5.
A surging jet stream pushed a powerful winter storm system toward the California Bay Area on Monday, accompanied by a medley of weather warnings.report. The U.S. National Weather Service has issued an updated series of warnings for communities in the area, including flood watchdogs for cities like San Francisco, Watsonville, Pacifica, Santa Cruz, Scott’s Valley, and Boulder Creek. These warnings went into effect late Monday night and are now set to go into effect until Tuesday afternoon.
By Tuesday morning, experts predicted that massive runoff from the surrounding mountains could bring flooding to rivers, streams, creeks and low-lying areas, the agency said in an advisory, with flooding limited to urban areas. It can also occur in poorer areas, he added. drainage system. The Japan Meteorological Agency warns that storm drains and waterways can become clogged with debris.
The NWS told CBS San Francisco, “The preferred peaks and highlands of the Sonoma Coastal Ranges could receive localized up to 7 inches of rain. Currently, moderate to heavy rainfall is expected to continue for longer periods with higher precipitation rates.” is predicted,” he said. “Last but not least, if that’s not enough, there could be a small amount of thunder, and this is expanding southwards around San Francisco. You can’t expect
The National Weather Service said flood monitoring is in effect in the North Bay, San Francisco, and the coastline. There are also wind reports for coastal areas from Sonoma County to Santa Cruz County.
The agency’s San Francisco bureau shared updated guidance early Tuesday morning, saying at the time that “moderate to heavy rain” was expected all day, with 5 inches and 2 to 4 inches expected locally along the coast. Further inland, he expects 2 to 3 inches of rain, with slightly less rain in the valley areas, according to the Bureau of Meteorology. This advisory is expected to be effective by 6:00 PM PST on Tuesday night.
“Localized flooding is likely, especially in urban areas where ponds on roads and poor drainage are common problems,” said the forecaster. “Excessive runoff can cause flooding of rivers, streams, creeks, and other low-lying flood-prone areas. We need to set aside extra time for that.”
Monday night’s wet weather had already caused transport problems on BART trains across the Bay Area, the agency said at the time, transport riders should be prepared for delays of up to 20 minutes across the system.CBS San Francisco According to the Weather Service, it started raining around 5:50 p.m. Monday in the San Francisco Airport area.
The Bureau of Meteorology also issued a wind bulletin that was due to go into effect late Monday night and remain active through Tuesday morning for coastal areas stretching from Sonoma County to Santa Cruz County.
According to the Japan Meteorological Agency, “Southerly winds are expected at 20 to 30 miles per hour, and gusts up to 50 miles per hour.” “Ridges and summits experience local gusts of up to 60 mph.”
Officials in California have warned of the possibility of fallen trees and tree branches and possible power outages as a result of wind forecasts, CBS San Francisco reported. to “dangerous swimming and surfing conditions.”
Meanwhile, in Southern California, the National Weather Service predicted dramatic weather changes with temperatures dropping by up to 20 degrees as a storm system sweeps through the area on Wednesday.
“Goodbye to Warmth” NWS Los Angeles murmured“Temperatures will drop significantly from today to tomorrow (Tuesday), with a 15-20 degree cooler expected thanks to the approaching storm system.”
The NWS expects temperatures in downtown Los Angeles to drop from 79 degrees Monday to 61 degrees Thursday.report.
The low-level pressure system currently forming is set to pass over Washington late Tuesday and draw a plume of very moist air into California from early Tuesday through early Wednesday, according to the NWS.
The volcanic plume will slowly move through San Luis Obispo and Santa Barbara counties all day Tuesday, with 1.5 to 3 inches of precipitation, and up to 5 inches in hilly areas like Santa Lucia, according to the NWS.
According to the NWS, Ventura and Los Angeles counties could see 0.5 to 1 inch of precipitation over the next four to six hours.
Meanwhile, northwestern Oregon and southwestern Washington are facing a system of storms that is expected to bring heavy rain and high winds starting Monday night, according to NWS Portland, with small-scale storm surges along rivers and streams. It can lead to flooding.
“Strong front system will bring heavy rains and high winds to NW OR and SW WA through Tuesday.” NWS Portland murmured“Coastal winds will be strongest tonight and through Tuesday. Strong winds inland on Tuesday morning and afternoon.”
Climate change comes as millions of Americans deal with frigid weatherIt has grabbed much of the United States.
CBS News confirmed at least 62 national weather-related deaths from the storm.
The storm’s range was unprecedented, from the Great Lakes near Canada to the Rio Grande River along the border with Mexico. About 60% of Americans faced some kind of winter weather advisory or warning, with temperatures well below normal east of the Rocky Mountains to the Appalachian Mountains, the National Weather Service said.
Thousands of U.S. flights were canceled on Saturday, and about 3,000 on Sunday night, according to tracking site FlightAware.