Summary:
An atmospheric river will continue to bring flooding rains, strong winds, coastal flooding and high surf to southern California today. Heavy snow will continue across the Sierra and spread into parts of the Great Basin today. A storm system will bring heavy rain and the threat for flash flooding across Puerto Rico and the U.S Virgin Islands through Thursday. Impacted Lanes: I-86, I-84, I-15, I-80, I-5, I-10, I-210, I-605, I-40, I-8, I-70, I-94, I-29, I-90, I-35, I-135, I-44, I-43, I-57, I-55, I-88
California
Flood Watch remains in effect until 4 PM PST this afternoon
- Flooding caused by excessive rainfall continues to be possible.
- Impacts: There is a risk for dangerous flooding, especially over freeways and local roads. Creeks and streams may reach or flow over their banks. Strong flows in the rivers and creeks will increase the risk for drowning and the need for swift water rescues. Rockslides and mudslides are possible in vulnerable canyon roads and hillside communities.
Winter Storm Warning remains in effect until 10 PM PST this evening
- Moderate to heavy snow at times. Additional snow accumulations by elevations are as follows, 1 to 2 feet above 7000 feet, 5 to 10 inches between 6000 and 7000 feet, 2 to 4 inches between 5000 and 6000 feet, and up to 3 inches between 4000 and 5000 feet.
- Impacts: Travel could be very difficult to impossible. Heavy snow and low visibilities with icy roads will make for dangerous driving conditions. These conditions could lead to road closures and travel delays.
Winter Weather Advisory remains in effect until 10 PM PST this evening
- Moderate snow. Additional snow accumulations by elevations are as follows, 4 to 8 inches above 6000 and 7000 feet, 3 to 6 inches between 5000 and 6000 feet, and up to 2 inches between 4000 and 5000 feet.
- Impacts: Periods of snow and low visibilities will make for dangerous driving conditions and could lead to road closures and travel delays.
Flood Advisory remains in effect until 10 AM PST this morning
- Urban and small stream flooding caused by excessive rainfall continues
- Impacts: Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. Water over roadways. Some low-water crossings may become impassable. River or stream flows are elevated. Ponding of water in urban or other areas is occurring or is imminent.
Flash Flood Warning remains in effect until 10 AM PST this morning
- Flash flooding caused by heavy rain.
- Impacts: Flash flooding of urban areas, streets, underpasses and low-lying locations will likely occur this morning. Mud and debris flows, as well as rockslides are also expected, especially in and near steep terrain. There will be significant ponding of water on area roadways.
Coastal Flood Advisory remains in effect until 10 AM PST this morning
- Minor coastal flooding expected.
- Impacts: Flooding of lots, parks, and roads with only isolated road closures expected.
North Carolina
Coastal Flood Advisory remains in effect until 7 PM EST this evening
- Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways.
- Impacts: Shallow flooding is expected in the most vulnerable locations near the waterfront and shoreline resulting in a low threat of property damage. Expect up to one foot of water above ground level in low lying, vulnerable areas. Some roads and low lying property including parking lots, parks and lawns near the waterfront will experience shallow flooding.
Coastal Flood Warning remains in effect until 8 AM EST Thursday morning
- Up to 2 to 3 feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways.
- Impacts: Up to 2 to 3 feet of inundation above ground level is possible in some areas near shorelines and tidal waterways. Water over tidal roadways is expected.
WInd Advisory remains in effect until 10 AM EST Wednesday morning
- North winds 25 to 35 mph with gusts up to 50 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.
Kansas
Dense Fog Advisory remains in effect until 10 AM CST this morning
- Visibility one-quarter mile or less in dense freezing fog.
- Impacts: Hazardous driving conditions due to low visibility and patchy icy spots.
Additional Winter Storm Warnings include but are not limited to: Montana, Idaho, Nevada, Arizona, Utah, Colorado, and New Mexico
Additional Winter Weather Advisories include but are not limited to: Montana, Idaho, Wyoming, Nevada, Utah, and New Mexico
Additional Flood Advisories include but are not limited to: Nebraska
Additional Flood Watches include but are not limited to: Nevada, and Arizona
Additional Coastal Flood Advisories include but are not limited to: Virginia, Maryland, Delaware, and New Jersey
Additional Wind Advisories include but are not limited to: Arizona
Additional Dense Fog Advisories include but are not limited to: Montana, North Dakota, Minnesota, South Dakota, Nebraska, Oklahoma, Wisconsin, Illinois, and Indiana
