Summary:
Much of the country will see fair weather the next couple of days with temperatures in the central and western U.S. running 10-20 degrees above average. An atmospheric river will begin to impact southern Oregon and northern California Tuesday night before expanding to central California. This system will produce widespread low elevation rain, heavy mountain snow, and gusty to high winds. Impacted Lanes: I-90, I-5, I-84, I-80, I-15, I-86, I-195, I-165, I-64, I-69, I-70, I-74, I-65, I-71, I-75, I-94, I-96
California
High Wind Warning remains in effect until 10 PM PST Wednesday evening
- South winds 25 to 35 mph with gusts up to 60 mph expected.
- Impacts: Damaging winds can blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles.
Wind Advisory remains in effect until 1 PM PST Wednesday afternoon
- Southeast winds 25 to 35 mph with localized gusts to 60 mph expected.
- Impacts: Gusty winds could 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 6 AM PST Friday morning
- Flooding caused by excessive rainfall continues to be possible.
- Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, roadways, 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. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris.
Dense Fog Advisory remains in effect until 11 AM PST this morning
- Visibility one quarter mile or less in dense fog.
- Impacts: Low visibility could make driving conditions hazardous.
Maryland
Coastal Flood Warning remains in effect until 10 PM EST this evening
- Up to one foot of inundation above ground level expected in low lying areas due to tidal flooding.
- Impacts: At 3.5 feet, water covers roads, is in yards, and is approaching structures.
South Carolina
Flood Warning remains in effect until 4 PM EST Wednesday afternoon
- Minor flooding is occurring and minor flooding is forecast.
- Impacts: Roads may be indurated with water and are not crossable.
Flood Advisory remains in effect until 10 PM EST Wednesday evening
- Flooding caused by excessive rainfall continues.
- Impacts: At 10.0 feet, Flooding occurs in flood prone areas near and downstream from Columbia. Water may be over roadways.
New Jersey
Coastal Flood Advisory remains in effect until 6 PM EST this evening
- Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways.
- Impacts: At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible.
Additional High Wind Warnings include but are not limited to: Oregon
Additional Wind Advisories include but are not limited to: Oregon
Additional Dense Fog Advisories include but are not limited to: Utah, Montana, Idaho, Oregon, and Washington
Additional Flood Warnings include but are not limited to: Illinois, Indiana, Arkansas, Texas, Louisiana, Mississippi, Alabama, and Georgia
Additional Flood Advisories include but are not limited to: Missouri, Arkansas, Tennessee, and Virginia
Additional Coastal Flood Advisories include but are not limited to: Delaware
