Summary:
A line of thunderstorms will continue to push across the east coast Wednesday evening. A few of these storms may become strong to severe with the main threat being damaging winds. Meanwhile on the west coast, another significant winter storm is expected to begin late Wednesday and last through the weekend. Impacts include heavy mountain snow, heavy rain and gusty winds. Impacted Lanes: I-80, I-50, I-5, I-90, I-82, I-84, I-15, I-40, I-27, I-20, I-35, I-45, I-49, I-55, I-81, I-88, I-87, I-93, I-95, I-75
California
Winter Storm Warning remains in effect until 10 AM PST Saturday morning
- Heavy snow and blowing snow expected. Total snow of 10 to 20 inches, except 2 to 4 feet above 4000 feet. Winds gusting 40 to 60 mph, highest over the higher terrain.
- Impacts: Travel could be very difficult to impossible. Areas of snow and blowing snow could significantly reduce visibility with occasional whiteout conditions possible. The hazardous conditions could impact the morning or evening commute. Gusty winds could bring down tree branches.
Blizzard Warning remains in effect until 10 AM PST Sunday morning
- Total snow accumulations of 5 to 10 feet above 5000 feet, local amounts of 12 feet or more over peaks, with 1 to 4 feet above 3000 feet through Sunday morning. Minor accumulations down to around 2000 feet. Winds gusting as high as 75 mph or higher.
- Impacts: Extremely dangerous to impossible travel conditions with extended road closures likely. Widespread blowing snow will create blizzard conditions with white-out conditions and near zero visibility. Very strong winds, combined with heavy snow could cause extensive tree damage and extended power outages.
Winter Weather Advisory remains in effect until 10 AM PST Friday morning
- Wet snow expected. Total snow accumulations between 2 and 6 inches on high passes. Winds gusting as high as 55 mph on high terrain.
- Impacts: Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. Tire chains may be necessary if travelling through mountain passes. Gusty winds could bring down tree branches. Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages.
High Wind Warning remains in effect until 10 AM PST this morning
- South winds 30 to 40 mph with gusts up to 70 mph expected at high elevations.
- Impacts: Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Wind gusts will be particularly strong along windward ridges and exposed coastal headlands.
Wind Advisory remains in effect until 4 PM PST this afternoon
- Southwest winds 25 to 35 mph with gusts up to 60 mph expected at high elevations.
- Impacts: Wind gusts will be particularly strong along windward ridges and exposed coastal headlands. There is an increased risk of tree branches and other debris on roadways. Travel could be difficult, especially for high profile vehicles.
Washington
Flood Warning remains in effect until further notice
- Moderate flooding is occurring and moderate flooding is forecast.
- Impacts: At 17.5 feet, the Skokomish River will cause moderate flooding, with deep and quick flood waters inundating some residential areas, and many roads. Inundated roads include the Skokomish Valley road, Bourgault Road West, Purdy Cutoff Road, and Highway 106.
Winter Storm Warning remains in effect until 6 AM PST Friday morning
- Heavy snow above 1500 feet. Additional snow accumulations of 4 to 12 inches, except 10 to 20 inches above 2500 feet. Winds gusting as high as 40 mph.
- Impacts: Travel could be very difficult. Patchy blowing snow could significantly reduce visibility.
Wind Advisory remains in effect until 10 AM PST this morning
- South winds 20 to 30 mph with gusts up to 50 mph.
- Impacts: Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel could be difficult, especially for high profile vehicles.
Flood Watch remains in effect until 4 PM PST this afternoon
- Flooding caused by excessive rainfall continues to be possible.
- Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Water over roadways.
New York
Lake Effect Snow Warning remains in effect until 7 PM EST this evening
- Heavy lake effect snow. Additional snow accumulations of 6 to 11 inches in the most persistent lake snows. Winds gusting as high as 40 mph.
- Impacts: Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the evening commute.
Winter Weather Advisory remains in effect until 2 PM EST this afternoon
- Lake effect snow. Additional snow accumulations of 1 to 3 inches, except locally 5 inches over the far northern portion of the county. Winds gusting as high as 40 mph.
- Impacts: Plan on slippery road conditions. The hazardous conditions could impact the morning commute.
Additional Blizzard Warnings include but are not limited to: Nevada
Additional Winter Storm Warnings include but are not limited to: Oregon, Idaho, Montana, Wyoming and Utah
Additional Winter Weather Advisories include but are not limited to: Oregon, Idaho, Montana, Texas, Nevada, and Michigan
Additional High Wind Warnings include but are not limited to: Oregon, Nevada, Idaho, and Montana
Additional Wind Advisories include but are not limited to: Oregon, Nevada, Idaho, Montana, Utah, New Hampshire and Montana
Additional Flood Warnings include but are not limited to: Oregon, Florida, North Dakota, and Louisiana
