Los Angeles, CA: Meteorologists from the National Weather Service (NWS) published a map on social media that identifies the cities in southern California that will be most severely affected by a storm that is anticipated to arrive this weekend.
Since January, moisture-laden storms and atmospheric rivers have deposited an extreme amount of precipitation and snow on California, resulting in an abnormally wet winter. This month, the state has been bombarded by a multitude of atmospheric rivers, which have contributed to the excessive precipitation. More than a dozen of them replenished many of the state’s reservoirs and helped alleviate the state’s severe drought situation last year, but they also caused catastrophic flooding and landslides.
The National Oceanic and Atmospheric Administration defines atmospheric rivers as “long, narrow regions in the atmosphere—like rivers in the sky—that transport the majority of water vapor outside the tropics.”
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A distinct post was published by NWS Los Angeles containing a revised precipitation forecast map.
The areas predicted to receive the most precipitation are Pine Mountain, Ojai, and Pasadena, with 3.83 inches, 3.49 inches, and 3.14 inches, respectively. It is anticipated that Lancaster will receive the least precipitation, at 1.01 inches. The storm is also predicted to bring snow, with Wrightwood receiving a maximum of 12 inches, Tejon Pass 18 inches, and San Rafael Mountain 24 inches.
The most recent rainfall map indicated earlier this week that the approaching storm would deliver 1.87 inches of precipitation to Los Angeles—nearly the entire month’s worth of precipitation in just four days. This brings the city one step closer to accomplishing the goal, as 2.07 inches of precipitation are anticipated to fall starting on Friday.
Nevertheless, the average annual precipitation for the water year, spanning from October to September, has already been exceeded by the city. With six months remaining, Los Angeles had received nearly 20 inches of precipitation as of Monday morning, 6.65 inches above the average. Additionally, San Diego and Riverside have surpassed their annual precipitation averages.
The approaching storm is one of three storms anticipated to strike California back-to-back that are heavy with moisture.
The initial storm made landfall over the weekend, and the subsequent one continues to progress, with its main focus being on northern California and adjacent states, such as Oregon and Washington. Southern California is currently beset by the third and final storm of the series.
Meteorologists at AccuWeather anticipate that the storm that occurred over the weekend will be the final substantial storm of the late winter/early spring season in Southern California. However, further storms are anticipated in the state’s central and northern regions.
The approaching storm poses a moderate risk of significant inundation, according to the NWS. Even though the heaviest precipitation will occur on Friday, Saturday and Sunday will continue to experience steady rainfall. Saturday night also carries a marginal probability of thunderstorms and an extremely remote possibility of severe storms.