The Pineapple Express has been wreak mayhem across much of California over the past few months , deliver outstandingly gamey amount of rain and threatening the state with floods and landslide . A dramatic young orbiter persona shows this “ atmospheric river ” as it extend from Hawaii to the US West Coast .
They may float up in the sky , butatmospheric rivers are competently name . offer for hundreds of naut mi , these narrow columns of water vapor can channelmore waterthan flows through the oral cavity of the Mississippi . When atmospherical river make landfall , they often release their swampy cargo in the form of rain or blow . Sometimes called the “ Pineapple Express , ” these enormous plume originate in the tropics and follow a track towards turgid land mass .
Since early October , and after intimately five age of drouth , California has face an onslaught of atmospheric river . Parts of the State Department have received nearly twice as much pelting as normally falls in the first five months of a H2O yr , which begins in October . Flood and landslide warnings have been issue in many county , at least 30 major roadshave been flooded , and spill have been open up at theOroville , Anderson , and Monticello decameter , among others .
On February 20 , the Suomi NPP satellite captivate a natural - color image of a Pineapple Express extend from Hawaii to California . see at the photo , you’re able to much see the water vapour being delivered to California along this atmospheric conveyor bash . NASA ’s Earth Observatoryexplainshow intense this showery time of year has been :
More than five inch of rainfall fall in part of northern California and along the western foothills of the Sierra Nevada on February 19–20.Daily rain recordsfor February 20 were doubled in San Jose ( 1.87 inches ) and San Francisco ( 2.16 inches ) . According to Colorado State University meteorologist Phil Klotzbach and National Weather Service sources , San Francisco has receive 16.38 inches of rain since January 1 , while Oakland has receive 20.81 inches ; the typical yearly total is 22.82 inches .
During an atmospherical river case in southern California on February 17–18 , new rainfall record were fructify in Death Valley ( 0.65 inches ) and Santa Barbara ( 4.16 inch ) . More than 100,000 masses lost power in the Los Angeles Metropolitan expanse on February 17 due to the tempest .
After a unforesightful break , theforecastacross much of California is calling for more rain to return during the weekend , persisting into early next week . After years of drought , and now stupid amount of rain , the folks in California are surely hop-skip for weather that ’s a morsel more reasonable .
[ NASA Earth Observatory ]
CaliforniaScience
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