CALIFORNIA SNOW REPORT

* WHAT...Snow expected. Total snow accumulations of 6 inches to around 1 foot above 6,000 feet. Winds gusting as high as 40 mph. * WHERE...Kaiser to Rodgers Ridge, Kings Canyon NP, Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...From 1 AM Saturday to 1 PM PST Sunday. * IMPACTS...Expect difficult travel with slick, snow covered roads. Also bring a winter survival kit if travel is necessary in these areas.

* WHAT...Heavy snow possible. Accumulations are uncertain at this time but may range from 2 to 4 feet above 5000 feet. Locally higher amounts are possible at higher elevations. Winds could gust as high as 45 mph. * WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park Counties. * WHEN...From Friday afternoon through Sunday morning. * IMPACTS...Dangerous travel conditions with chain controls and road closures possible. Low visibility due to combination of wind and heavy snow. * ADDITIONAL DETAILS...Snow accumulations remain above pass level through Friday afternoon, then drop to 5000 to 6000 feet late Friday night into Saturday. Potential for mountain snow to continue into early next week.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of central California, including the following areas, Frazier Mountain Communities, Grapevine, Indian Wells Valley, Mojave Desert, Mojave Desert Slopes, Piute Walker Basin and Tehachapi. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

* WHAT...South winds 25 to 35 mph with gusts up to 75 mph possible. * WHERE...Southwestern Humboldt. * WHEN...From Friday morning through late Saturday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. Wind gusts will be particularly strong along windward ridges and exposed coastal headlands.

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southwest California, including the following areas, Calabasas and Agoura Hills, Central Ventura County Valleys, Eastern Antelope Valley Foothills, Eastern San Fernando Valley, Eastern San Gabriel Mountains, Eastern Santa Monica Mountains Recreational Area, Interstate 5 Corridor, Lake Casitas, Los Angeles County Beaches, Los Angeles County Inland Coast including Downtown Los Angeles, Los Angeles County San Gabriel Valley, Malibu Coast, Northern Ventura County Mountains, Ojai Valley, Palos Verdes Hills, Santa Barbara County Interior Mountains, Santa Barbara County Southeastern Coast, Santa Barbara County Southwestern Coast, Santa Clarita Valley, Santa Susana Mountains, Santa Ynez Mountains Eastern Range, Santa Ynez Mountains Western Range, Southeastern Ventura County Valleys, Southern Ventura County Mountains, Ventura County Beaches, Ventura County Inland Coast, Western Antelope Valley Foothills, Western San Fernando Valley, Western San Gabriel Mountains and Highway 14 Corridor and Western Santa Monica Mountains Recreational Area. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Debris flow are possible near recent burn scars. There is a high risk of rock and mudslides in the canyons. * ADDITIONAL DETAILS... - A strong winter storm will bring moderate to heavy rainfall to the area Wednesday night and Thursday. Given the antecedent conditions from last week's rain, the forecast rainfall totals and intensities could generate some significant hydrologic impacts. - http://www.weather.gov/safety/flood

* WHAT...For the Coastal Flood Warning, High astronomical tides and large surf will cause moderate flooding in low lying areas around Humboldt Bay Coast. Up to one foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways. Between 9.3 and 9. 6 feet MLLW at the north spit tide gauge is predicted. For the Coastal Flood Watch, High astronomical tides may cause moderate to locally major flooding in low lying areas along the Redwood and Mendocino Coast. Up to 1.5 foot of saltwater inundation above ground level is possible in low lying areas near shorelines and tidal waterways. Tides may exceed the highest astronomical tide on record at the North Spit tide gauge during the morning high tides on Friday and Saturday. * WHERE...Northern Humboldt Coast County. * WHEN...For the Coastal Flood Warning, from 7 AM to 11 AM PST Thursday. For the Coastal Flood Watch, from Thursday morning through Saturday afternoon. High tide is at 8:08 am at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide. * IMPACTS...Several coastal roads may be closed. Low lying property and some critical infrastructure will be inundated. These impacts will include, but not limited to, roadways in King Salmon and the Arcata bottoms. Shoreline erosion will occur.

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Southwest California, including the following areas, Orange County Coastal Areas, Orange County Inland Areas, San Bernardino County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire and Santa Ana Mountains and Foothills. * WHEN...Through 10 PM Thursday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. Minor flooding and debris flows possible in and below recent burn scars. * ADDITIONAL DETAILS... - A warm low pressure system from the southwest will bring periods of moderate to locally heavy precipitation tonight through Thursday evening. The heaviest showers are likely to occur Thursday morning. High soil moisture from last week's heavy rainfall and will exacerbate the flooding threat in the watch area. - https://www.weather.gov/safety/flood

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northwest California, including the following areas, Mendocino Coast, Northeastern Mendocino Interior, Northern Humboldt Coast, Northern Humboldt Interior, Northern Lake, Northwestern Mendocino Interior, Southeastern Mendocino Interior, Southern Humboldt Interior, Southern Lake, Southern Trinity, Southwestern Humboldt and Southwestern Mendocino Interior. * WHEN...From Friday afternoon through Sunday evening. Additional heavy rainfall will be possible Sunday through early next week. * IMPACTS...There will be an increased risk of rock and land slides along roadways. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - Widespread moderate to heavy rain from two consecutive strong weather systems will produce 2-4 inches of rainfall Friday afternoon through late Sunday. - http://www.weather.gov/safety/flood