Observations since 1880 over the region show a clear positive trend in the intensity of extreme precipitation of between 12% and 22%, roughly two times the increase of the moisture holding capacity of the atmosphere expected for 1 ☌ warming according to the Clausius–Clapeyron (CC) relation. It was an extremely rare event: the return period of the highest observed three-day precipitation amount, 1043.4 mm 3dy −1 at Baytown, is more than 9000 years (97.5% one-sided confidence interval) and return periods exceeded 1000 yr (750 mm 3dy −1) over a large area in the current climate. This resulted in extensive flooding with over 80 fatalities and large economic costs. No major injuries were reported.īay Area News Group and the Associated Press contributed to this report.During August 25–30, 2017, Hurricane Harvey stalled over Texas and caused extreme precipitation, particularly over Houston and the surrounding area on August 26–28. In Southern California, several people were rescued after floodwaters inundated cars in San Bernardino and Orange counties. On Saturday, the resort reported numerous lift closings, citing high winds, low visibility and ice. More than 4 feet of snow had accumulated in the high Sierra Nevada, and the Mammoth Mountain Ski Area said heavy, wet snow would cause major delays in chairlift openings. Several other highways, including State Route 50, also reopened. “The roads are extremely slick so let’s all work together and slow down so we can keep I-80 open,” the California Highway Patrol said on Twitter. The key route to the mountains from the Bay Area reopened early Sunday to passenger vehicles with chains.
Harvey rain totals today drivers#
Near Lake Tahoe, dozens of drivers were rescued on New Year’s Eve along Interstate 80 after cars spun out in the snow during the blizzard, the California Department of Transportation said.
In Sacramento, crews cleared downed trees from roads and sidewalks as at least 33,000 customers were still without power Sunday, down from more than 150,000 a day earlier, according to a Sacramento Municipal Utility District online map. “Livestock in the affected areas should be moved to higher ground.” “It is expected that the flooding from the Cosumnes River and the Mokelumne River is moving southwest toward I-5 and could reach these areas in the middle of the night,” the Sacramento County Office of Emergency Services said on Twitter on Sunday afternoon.
Residents of the low-lying communities of Point Pleasant, Glanville Tract and Franklin Pond near Interstate 5 were told to prepare to leave before more roads were cut off by rising water and evacuation became impossible. Emergency crews rescued motorists on New Year’s Eve into Sunday morning and the highway remained closed. 4, 1982.Īround Northern California, major flooding occurred in agricultural areas about 20 miles south of Sacramento, where rivers swelled beyond their banks and inundated dozens of cars along State Route 99. Oakland was soaked with 4.75 inches of rain in 24 hours, narrowly beating the previous record set on Jan.
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