Where are the flash flood warnings for the burnt areas of Northern California


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The National Weather Service issued at least three flash flood warnings on Sunday for areas of the Sierra foothills that were scorched by wildfires this summer and are now threatened by the intense storm hitting northern California.

Such warnings, a level high from a flash flood watch, mean a flash flood is imminent, according to the weather service.

The warnings were issued for areas of the Caldor fire in El Dorado County, the Dixie fire in southwestern Lassen and northwestern Plumas counties, and fire scars in the Beckwourth complex in southeast Lassen County.

Closer to Sacramento, the weather service issued an urban flood and small stream advisory for most of the valley until 2 a.m. Monday.

Caldor Fire Burn Zone

In El Dorado County, forecasters said “Doppler radar and automated rain gauges were indicating heavy rain was heading towards Caldor’s burn scar. Flash floods are expected to start in the next few hours. Act now. “

The warning remains in effect until 3 a.m. on Monday.

Such excessive rain can result in debris flows in the burnt areas around Kirkwood, Kit Carson, Grizzly Flat, Twin Bridges and Sierra-at-Tahoe.

At 1 p.m., the National Weather Service issued a flood warning covering El Dorado, Lassen, Plumas, Sierra and Alpine counties.

Dixie Fire Burn Zone

Further north, Caltrans has already reported several landslides and debris flows in the Dixie Fire burn area around Highway 70 in southwestern Lassen and northwestern Plumas counties, triggering a flood warning flash.

The weather service issued a flash flood warning for this area until 3 a.m. Monday.

Areas affected by this warning include Chester, Almanor, Prattville, Lake Almanor West, Lake Almanor Country Club, Canyondam, East Shore, Caribou, Seneca, Belden, Twain, Paxton, Indian Falls, Bald Eagle Mountain, Tobin, Crescent Mills, Storrie , Keddie and Greenville.

Burnt area of ​​the Beckwourth complex

The Reno Weather Services Office has issued a flash flood warning for the area burned by the Beckwourth Complex in southeast Lassen County, as well as Plumas County.

These areas include Doyle, Frenchman Lake, Chilcoot-Vinton, Frenchman Campground, Big Cove Campground, Spring Creek Campground, and Chilcoot Campground.

“Excessive precipitation on the burn scar will lead to debris flows. The debris flow can consist of rocks, mud, vegetation and other loose material, ”the weather service said.

Flood advisory for Sacramento, most of the valley

The weather service issued an urban flood and small stream advisory for a large area of ​​the Central Valley just before 10 a.m.

The advisory is in effect until 3 a.m. for the following areas:

  • Coluse County
  • Southeast Glenn County
  • Placer County
  • Sacramento County
  • Northern San Joaquin County
  • Solano County
  • North Stanislas County
  • Sutter County
  • Yolo County
  • Yuba County
  • Amador County
  • South Butte County
  • Calaveras County
  • El Dorado County
  • Nevada County
  • Plumas County
  • Sierra County
  • Tuolumne County

“We are seeing heavy rains all over the region. This will cause widespread flooding in towns and small rivers, ”the local weather service office in Sacramento said.

Areas that may experience flooding include Sacramento, Stockton, Elk Grove, Roseville, Fairfield, Vacaville, Citrus Heights, Folsom, Davis, Rocklin, Woodland, Galt, Oroville, Auburn, Grass Valley, Marysville, Placerville, Jackson, Carmichael and Fair Oaks.

Forecasters are warning motorists not to use the roads today due to localized flooding and debris. “Turn around, don’t drown when you encounter flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and don’t drive on flooded roads, ”the NWS said.

More flood watches are in effect

Most of those areas were already under flood watch until 11 p.m. Sunday, forecasters said.

The National Weather Service said the heavy rains would continue through Monday, with areas near Highway 395 in eastern California receiving between 2 and 6 inches, depending on which side of the highway it falls on. found. Forecasters said the most intense rainfall would occur west of Highway 395 in the Sierra.

Affected areas include Lassen, Plumas and Sierra counties.

An urban flood and small stream advisory is in effect in the valley in Lake and Mendocino counties until 12:45 p.m.

Locations that could be affected are Ukiah, Fort Bragg, Willits, Point Arena, Laytonville, Albion, Potter Valley, Philo, Boonville, Rockport, Leggett, Hopland, Gualala, Comptche, Dos Rios, Branscomb, Redwood Valley and Calpella.

The wind advisory remains in effect

Strong winds are expected to last until 11 p.m. Sunday, prompting a wind advisory for most of the Sacramento Valley by the weather service.

“Gusty winds could blow around unsecured objects, knock down weakened trees and knock down tree branches,” forecasters said. “Power cuts are also possible. “

The wind advisory covers the entire Sacramento Valley, as well as the Carquinez Strait and Delta areas, the northern San Joaquin Valley, and the Sierra foothills northeast of Sacramento.

This story was originally published 24 October 2021 9:52 a.m.

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Daniel Hunt is the local editor of The Sacramento Bee, overseeing breaking news, criminal justice, health, and science coverage; he joined The Bee in 2013 and has worked in editorial and design roles in newspapers in California and Delaware.


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