LAKE COUNTY, Calif. – The National Weather Service has issued a special weather statement due to a forecast calling for heavy rain to return to Northern California this week.
The agency’s special weather statement said a surge of subtropical moisture from Hawaii will bring a return of wet weather to Northern California beginning Thursday and continuing into the weekend.
The storm is the result of another “atmospheric river.”
The National Weather Service’s Sacramento office described atmospheric rivers as “long, narrow corridors in the atmosphere that transport large amounts of water vapor from the tropics.”
Much of California’s rain comes from atmospheric rivers, which are steered by high and low pressure, the agency said.
Forecasters anticipate this storm will bring periods of heavy rain coupled with strong, gusty south winds, are possible Friday night and Saturday.
Estimated rainfall amounts in the mountains range from 2 to 7 inches, and between 1 to 3 inches in lower-lying areas. At the same time, the warm subtropical air is forecast to result in high snow levels, generally above the mountain passes until Sunday.
Rain is expected to decrease on Sunday, with conditions clearing into Monday before chances of showers are again predicted beginning on Tuesday.
Daytime temperatures over the next several days are forecast to range into the low 70s, dropping into the low 50s during the rainy periods. Nighttime lows will range into the high 30s.
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Forecasters: Rain to return on Thursday, continue through weekend
- Elizabeth Larson
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