Summary:
Powerful winter storms will advance across the Lower 48 through this week. Blizzard conditions for the Midwest, strong to damaging winds, severe thunderstorms and heavy rainfall from the Southeast to the Northeast are expected today. Another winter storm will produce blizzard conditions across the Cascades today into Wednesday. Heavy rain and flooding will continue across Hawaii today. Impacted Lanes: I-90, I-82, I-5, I-84, I-15, I-94, I-80, I-25, I-70, I-40, I-35, I-10, I-37, I-45, I-20, I-29, I-30, I-55, I-49, I-12 I-59, I-69, I-22, I-65, I-75, I-85, I-95, I-26, I-24, I-64, I-77, I-81, I-68, I-76, I-86, I-87, I-91, I-93
Alabama
Flash Flood Warning remains in effect until 9:15 AM CST this morning
- Flash flooding caused by thunderstorms.
- Impacts: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Flood Advisory remains in effect until 8:45 AM CST this morning
- Urban and small stream flooding caused by excessive rainfall is expected.
- Impacts: Minor flooding in low-lying and poor drainage areas.
Wind Advisory remains in effect until 6 PM CST this evening
- Southwest winds 15 to 25 mph with gusts up to 45 mph.
- 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.
Washington
Blizzard Warning remains in effect until 10 AM PST Wednesday morning
- Blizzard conditions expected. Total snow accumulations between 10 and 18 inches above 4000 feet. Below 4000 feet up to 10 inches. Winds gusting to 65 mph or higher. Blowing and drifting snow with visibilities one quarter mile or less.
- Impacts: Travel will be very difficult to impossible. Widespread blowing snow will significantly reduce visibility. The hazardous conditions will impact travel Monday night through Wednesday. Very strong winds could cause extensive damage to trees and power lines.
Winter Storm Warning remains in effect until 10 AM PST Wednesday morning
- Heavy snow. Total snow accumulations above 2500 feet 1 to 2 feet, below 2500 feet up 6 to 10 inches. Winds gusting up to 35 mph with locally higher gusts in the mountains to 50 mph.
- Impacts: Travel will be very difficult to impossible. Areas of blowing snow will significantly reduce visibility. The hazardous conditions will impact travel through Wednesday. Strong winds could cause extensive damage to trees and power lines.
Winter Weather Advisory remains in effect until 10 AM PST Wednesday morning
- Snow expected. Total snow accumulations between 4 and 8 inches in the valleys. Methow Valley to Mazama, snow accumulations up to 10 inches. Mountains above 4000 feet 8 to 20 inches, with highest amounts near the Cascade crest. Winds gusting as high as 20 mph in the valleys Tuesday. Mountain wind gusts up to 50 mph Tuesday.
- Impacts: Travel will be very difficult. Areas of blowing snow will significantly reduce visibility. The hazardous conditions will impact travel through Wednesday. Gusty winds could cause tree damage.
High Wind Warning remains in effect until 4 PM PST this afternoon
- West winds 35 to 55 mph with gusts up to 65 mph.
- 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 Advisory remains in effect until 10 PM PST this evening
- Southwest winds 25 to 35 mph with gusts up to 55 mph.
- 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.
Coastal Flood Warning remains in effect until 2 PM PST this afternoon
- Significant coastal flooding expected. Inundation of 2 to 3 feet above ground level is possible along shorelines and low-lying coastal areas.
- Impacts: Significant coastal flooding due to high tides and storm surge is expected. This is expected to lead to numerous road closures. Low lying property including homes, businesses, and some critical infrastructure may be inundated.
Coastal Flood Advisory remains in effect until 4 PM PST this afternoon
- Minor coastal flooding expected. Inundation of 2 to 3 feet above ground level is possible along shorelines and low- lying coastal areas.
- Impacts: Minor coastal flooding due to tidal overflow is expected around high tide. This may lead to flooding of parking lots, parks, and roads, with only isolated road closures expected.
Georgia
Flash Flood Warning remains in effect until 3 PM EST this afternoon
- Flash flooding caused by thunderstorms.
- Impacts: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Flood Advisory remains in effect until 1:30 PM EST this afternoon
- Flooding caused by excessive rainfall is expected.
- Impacts: Minor flooding in low-lying and poor drainage areas. Water over roadways.
Flood Warning remains in effect until 2 PM EST this afternoon
- Flooding caused by excessive rainfall is expected.
- Impacts: Flooding of rivers, creeks, streams, roadways, and other low-lying and flood-prone locations is imminent or occurring.
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High Wind Warning remains in effect until 10 PM EST this evening
- South winds 30 to 40 mph with gusts up to 60 mph expected.
- 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 Advisory remains in effect until 10 PM EST this evening
- South winds 25 to 35 mph with gusts up to 45 mph.
- Impacts: Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel will be difficult, especially for high profile vehicles.
Coastal Flood Advisory remains in effect until 10 PM EST this evening
- Minor coastal flooding.
- Impacts: Flooding of lots, parks, and roads with only isolated road closures expected.
Additional Flash Flood Warnings include but are not limited to: North Carolina, and Tennessee
Additional Flood Warnings include but are not limited to: Florida, Louisiana, and Mississippi
Additional Flood Advisories include but are not limited to: Tennessee, North Carolina, and South Carolina
Additional Coastal Flood Warnings include but are not limited to: New Jersey, Delaware, Pennsylvania, Louisiana, New York, Florida, North Carolina, Maryland, Washington D.C., and Virginia
Additional Coastal Flood Advisories include but are not limited to: New Jersey, Oregon, Louisiana, Mississippi, California, Connecticut, New York, Florida, Maryland, Virginia, North Carolina, and South Carolina
Additional Blizzard Warnings include but are not limited to: Oregon, Idaho, and Wyoming
Additional Winter Storm Warnings include but are not limited to: Oregon, California, Nevada, Idaho, Montana, Wyoming, Utah, Nebraska, Kansas, Missouri, Iowa, Minnesota, Wisconsin, Michigan, Illinois, Maryland, New Hampshire, and Maine
Additional Winter Weather Advisories include but are not limited to: Oregon, California, Idaho, Nevada, Utah, Montana, Wyoming, Colorado, Nebraska, Kansas, South Dakota, Minnesota, Iowa, Missouri, Oklahoma, Arkansas, Wisconsin, Michigan, Illinois, Indiana, Ohio, Virginia, Maryland, West Virginia, Pennsylvania, New York, Vermont, New Hampshire, and Maine
Additional High Wind Warnings include but are not limited to: Ohio, Oregon, Montana, Wyoming, North Carolina, South Carolina, Virginia, West Virginia, Pennsylvania, New York, Delaware, New Jersey, Connecticut, Rhode Island, Massachusetts, Vermont, New Hampshire, and Maine
Additional Wind Advisories include but are not limited to: Oregon, California, Nevada, Montana, New Mexico, Oklahoma, Texas, Louisiana, Arkansas, Missouri, Mississippi, Florida, Illinois, Indiana, Ohio, Kentucky, Tennessee, South Carolina, North Carolina, Virginia, West Virginia, Maryland, Pennsylvania, New York, New Jersey, Delaware, Connecticut, Rhode Island, Massachusetts, Vermont, New Hampshire, and Maine
