Historic Atmospheric River Won’t Be California’s Last Rain – AccuWeather.com/en/

Historic Atmospheric River Won’t Be California’s Last Rain – AccuWeather.com/en/

As Californians grapple with the lingering effects of a deadly storm that prompted a state of emergency declaration, AccuWeather meteorologists are tracking the next storm expected to hit the state this week. Although the storm is less severe than its predecessor, it will bring more rain and wind to the area, which could slow cleanup efforts and cause floodwaters to recede.

Over the course of Sunday and Monday, downtown Los Angeles received 7.03 inches of rain, marking the third wettest two-day period in the city’s history, as well as breaking the daily record for rainfall on consecutive days. To put this event in perspective, the 30-year historical seasonal rainfall average for the downtown area is 14.25 inches.

The devastating storm sent mud, rocks and debris down hills and roads across the region, where torrential rains sent torrents of water rushing downstream, carrying items from people’s homes and yards.

AccuWeather estimates that total initial damage and economic losses from severe storms and record rain in California this week will range between $9 billion and $11 billion.

On Tuesday morning, the historic storm that brought devastation to Southern California was slowly moving inland across the southwestern United States. At the same time, a new storm began moving south off the coast of western Canada. By later Wednesday, this incoming storm will bring wet and windy weather back to storm-weary California.

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“Another compact storm will drop south near the California coast from Wednesday into Wednesday evening, delivering several hours of rain along its path,” AccuWeather Senior Meteorologist Heather Zehr said.

Since this next storm will be moving from the north, rather than the south and southwest, there will be fewer fears of heavy rain amounts.

“This storm track cuts off any tropical connection which has led to excessive and destructive conditions over the past few days,” Zahr said. “Also, the prevailing wind direction will not help enhance rainfall as we saw with this recent storm.”

For many along the California coast and parts of the Central Valley, rain amounts with the latest event are expected to be 0.50 inch or less later Wednesday into Thursday. The wet weather will hit quickly, lasting less than 12 hours in most areas.

“Parts of Southern California have the potential to receive up to an inch of additional rain,” Zahr said.

Due to the saturated nature of the soil, any additional rain will fall quickly and could lead to localized incidents of renewed flooding.

“Rain can also cause standing water to return in areas that are seeing some improvement,” Zahr said.

The most common impacts across Southern California will be for the storm to disrupt cleanup efforts and cause water puddles on roads as well as slow travel.

Wind gusts of 20 to 35 mph could occur along the coast and in the mountains of Southern California. While these winds are not as strong as what occurred over the weekend and earlier this week, AccuWeather meteorologists say they could still bring down trees and power lines due to saturated ground.

Scattered rain and high-altitude snow could persist in Southern California through the end of the week before a much-needed dry weather pattern moves in this weekend and continues into the middle of the month.

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