California wildfire advances as heat wave blankets US West

California_Wildfires_54012 U.S. Forest Service firefighters Chris Voelker, left, and Kyle Jacobson monitor the Sugar Fire, part of the Beckwourth Complex Fire, burning in Plumas National Forest, Calif., on Friday, July 9, 2021. The Beckwourth Complex — a merging of two lightning-caused fires — headed into Saturday showing no sign of slowing its rush northeast from the Sierra Nevada forest region after doubling in size only a few days earlier.
California_Wildfires_41319 U.S. Forest Service firefighter Chris Voelker monitors the Sugar Fire, part of the Beckwourth Complex Fire, burning in Plumas National Forest, Calif., on Friday, July 9, 2021. The Beckwourth Complex — a merging of two lightning-caused fires — headed into Saturday showing no sign of slowing its rush northeast from the Sierra Nevada forest region after doubling in size only a few days earlier.
APTOPIX_California_Wildfires_73612 Smoke envelops trees as the Sugar Fire, part of the Beckwourth Complex Fire, burns in Doyle, Calif., Friday, July 9, 2021.
California_Wildfires_65787 Firefighters from Cal Fire's Placerville station monitor the Sugar Fire, part of the Beckwourth Complex Fire, in Doyle, Calif., on Friday, July 9, 2021.
California_Wildfires_77349 An air tanker drops retardant to keep the Sugar Fire, part of the Beckwourth Complex Fire, from reaching the Beckwourth community of unincorporated Plumas County, Calif., on Friday, July 9, 2021.
California_Wildfires_95332 Smoke envelops trees as the Sugar Fire, part of the Beckwourth Complex Fire, burns in Doyle, Calif., Friday, July 9, 2021.
California_Wildfires_06775 Smoke envelops trees as the Sugar Fire, part of the Beckwourth Complex Fire, burns in Doyle, Calif., on Friday, July 9, 2021.
California_Wildfires_52893 Embers blow across a field as the Sugar Fire, part of the Beckwourth Complex Fire, burns in Doyle, Calif., Friday, July 9, 2021.
California_Wildfires_63679 Firefighters from the California Department of Forestry and Fire Protection's Placerville station battle the Sugar Fire, part of the Beckwourth Complex Fire, in Doyle, Calif., on Friday, July 9, 2021.
California_Wildfires_65294 Firefighters battle the Sugar Fire, part of the Beckwourth Complex Fire, in Doyle, Calif., on Friday, July 9, 2021.
California_Wildfires_95434 Firefighters from the California Department of Forestry and Fire Protection's Placerville station battle the Sugar Fire, part of the Beckwourth Complex Fire, in Doyle, Calif., on Friday, July 9, 2021.
California_Wildfires_08721 Firefighters from the California Department of Forestry and Fire Protection's Placerville station battle the Sugar Fire, part of the Beckwourth Complex Fire, in Doyle, Calif., Friday, July 9, 2021.
California_Wildfires_46504 Seen from Truckee, Calif., about 50 miles away, a smoke plume rises from the Sugar Fire, part of the Beckwourth Complex Fire, burning in Plumas National Forest on Friday, July 9, 2021.
California_Wildfires_79650 Firefighter Kyle Jacobson monitors the Sugar Fire, part of the Beckwourth Complex Fire, burning in Plumas National Forest, Calif., on Friday, July 9, 2021.
California_Wildfires_87334 Firefighter Kyle Jacobson monitors the Sugar Fire, part of the Beckwourth Complex Fire, burning in Plumas National Forest, Calif., on Friday, July 9, 2021.
California_Wildfires_29470 The Sugar Fire, part of the Beckwourth Complex Fire, burns in Plumas National Forest, Calif., on Friday, July 9, 2021.
California_Wildfires_41973 A firefighter burns vegetation while trying to stop the Sugar Fire, part of the Beckwourth Complex Fire, from spreading in Plumas National Forest, Calif., on Friday, July 9, 2021.
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SAN FRANCISCO (AP) — Firefighters struggled to contain an exploding Northern California wildfire under blazing temperatures as another heat wave blanketed the West, prompting an excessive heat warning for inland and desert areas.

Death Valley in southeastern California’s Mojave Desert reached 128 degrees Fahrenheit (53 Celsius) on Saturday, according to the National Weather Service’s reading at Furnace Creek. The shockingly high temperature was actually lower than the previous day, when the location reached 130 F (54 C).

If confirmed as accurate, the 130-degree reading would be the hottest high recorded there since July 1913, when Furnace Creek desert hit 1,34 F (57 C), considered the highest measured temperature on Earth.

About 300 miles (483 kilometers) northwest of the sizzling desert, the largest wildfire of the year in California was raging along the border with Nevada. The Beckwourth Complex Fire — a combination of two lightning-caused fires burning 45 miles (72 kilometers) north of Lake Tahoe — showed no sign of slowing its rush northeast from the Sierra Nevada forest region after doubling in size between Friday and Saturday.

Late Saturday, flames jumped Interstate 395 and was threatening properties in Nevada’s Washoe County. “Take immediate steps to protect large animals and livestock,” the The Truckee Meadows Fire Protection District tweeted.

The blaze, which was only 8% contained, increased dramatically to 86 square miles (222 square kilometers) as firefighters sweltered in 100-degree temperatures.

It was one of several threatening homes across Western states that were expected to see triple-digit heat through the weekend as a high-pressure zone blankets the region.

Pushed by strong winds, a wildfire in southern Oregon doubled in size to 120 square miles (311 square kilometers) Saturday as it raced through heavy timber in the Fremont-Winema National Forest near the Klamath County town of Sprague River.

The National Weather Service warned the dangerous conditions could cause heat-related illnesses, while California’s power grid operator issued a statewide Flex Alert from 4 p.m. to 9 p.m. Saturday to avoid disruptions and rolling blackouts.

The California Independent System Operator warned of potential power shortage, not only because of mounting heat, but because a wildfire in southern Oregon was threatening transmission lines that carry imported power to California.

Gov. Gavin Newsom issued an emergency proclamation on Friday suspending rules to allow for more power capacity, and the ISO requested emergency assistance from other states. On Saturday, Newsom issued another proclamation allowing the emergency use of auxiliary ship engines to relieve pressure on the electric grid.

Palm Springs in Southern California hit a record high temperature of 120 F (49 C) Saturday. It was the fourth time temperatures have reached 120 degrees so far this year, the Desert Sun reported.

In California’s agricultural Central Valley, 100-degree temperatures blanketed the region, with Fresno reaching 111 degrees F (44 C), just one degree short of the all-time high for the date,

Las Vegas late Saturday afternoon tied the all-time record high of 117 F (47 C), the National Weather Service said. The city has recorded that record-high temperature four other times, most recently in June 2017.

NV Energy, Nevada’s largest power provider, also urged customers to conserve electricity Saturday and Sunday evenings because of the heat wave and wildfires affecting transmission lines throughout the region.

In Southern California, a brush fire sparked by a burning big rig in eastern San Diego County forced evacuations of two Native American reservations Saturday.

In north-central Arizona, Yavapai County on Saturday lifted an evacuation warning for Black Canyon City, an unincorporated town 43 miles (66 kilometers) north of Phoenix, after a fire in nearby mountains no longer posed a threat. In Mohave County, Arizona, two firefighters died Saturday after a aircraft they were in to respond to a small wildfire crashed, local media reported.

A wildfire in southeast Washington grew to almost 60 square miles (155 square kilometers) as it blackened grass and timber while it moved into the Umatilla National Forest.

In Idaho, Gov. Brad Little declared a wildfire emergency Friday and mobilized the state’s National Guard to help fight fires sparked after lightning storms swept across the drought-stricken region.

___

Associated Press writers Bob Jablon in Los Angeles, Martha Bellisle in Seattle and Paul Davenport in Phoenix contributed to this story.

Copyright © 2021 The Associated Press. All rights reserved. This material may not be published, broadcast, written or redistributed.

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