Summary:
Strong Santa Ana winds will bring critical to extremely critical fire weather conditions to portions of California today into Friday. Rafael has strengthened into a hurricane and is expected to enter the Gulf of Mexico by Thursday. Tropical Storm Warnings have been issued for parts of the Florida Keys. It is too soon to determine any northern Gulf Coast impacts. Impacted Lanes: I-40, I-26, I-90, I-5, I-15, I-10, I-25, I-70, I-76, I-80, I-29, I-35, I-49, I-44, I-85, I-75, I-95
Colorado
Winter Storm Warning remains in effect until 11 PM MST this evening
- Heavy snow. Additional snow accumulations between 6 and 12 inches.
- Impacts: Travel could be very difficult to impossible. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Wednesday morning and evening commutes.
Winter Weather Advisory remains in effect until 11 PM MST this evening
- Snow. Additional snow accumulations between 3 and 7 inches. Winds gusting as high as 35 mph.
- Impacts: Travel could be very difficult. The heaviest snow accumulations are likely to be south of I-76, but blowing and drifting snow will be a concern along the travel corridor.
California
High Wind Warning remains in effect until 4 PM PST Thursday afternoon
- Northeast winds 35 to 45 mph with gusts up to 75 mph.
- Impacts: Damaging winds could 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 6 PM PST this evening
- North 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. Winds this strong can make driving difficult, especially for high profile vehicles.
Florida
Tropical Storm Warning remains in effect until further notice
- Wind: Below tropical storm force wind; Peak Wind Forecast: 20-30 mph with gusts to 35 mph
- Impacts: Many large tree limbs broken off. A few trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Some fences and roadway signs blown over. A few roads impassable from debris, particularly within urban or heavily wooded places. Hazardous driving conditions on bridges and other elevated roadways. Scattered power and communications outages.
- Storm Surge: Localized storm surge possible; The potential for up to 2 feet above ground somewhere within surge prone areas.
- Impacts: Localized inundation with storm surge flooding mainly along immediate shorelines and in low-lying spots, or in areas farther inland near where higher surge waters move ashore. Sections of roads and parking lots inundated by surge water. Driving conditions dangerous in places where surge water covers the road.
- Flooding Rain: Peak Rainfall Amounts: Additional around 1 inch
- Impacts: Localized rainfall flooding may prompt a few evacuations. Flood waters can enter a few structures, especially in usually vulnerable spots. A few places where rapid ponding of water occurs at underpasses, low-lying spots, and poor drainage areas. Several storm drains and retention ponds become near-full and begin to overflow. Some brief road and bridge closures.
Flood Warning remains in effect until further notice
- Moderate flooding is occurring and moderate flooding is forecast.
- Impacts: Moderate flooding occurs with water entering many structures on canals and along the river. Roads becomes inaccessible, up to 1 feet water depth on numerous roads.
Coastal Flood Advisory remains in effect until 8 PM EST this evening
- Minor coastal flooding.
- Impacts: Flooding of lots, parks, and roads with only isolated road closures expected.
Tennessee
Flood Advisory remains in effect until 10 AM CST this morning
- Urban and small stream flooding caused by excessive rainfall continues.
- Impacts: Minor flooding in low-lying and poor drainage areas. Water over roadways.
Iowa
Dense Fog Advisory remains in effect until 10 AM CST this morning
- Visibility one quarter mile or less in dense fog.
- Impacts: Low visibility could make driving conditions hazardous.
Georgia
Flood Watch remains in effect until 7 PM EST Thursday evening
- Flooding caused by excessive rainfall is possible. Widespread 2 to 3 inch rainfall totals and isolated amounts over 6 inches are expected. Despite recent dry conditions, rainfall totals of this magnitude may lead to flash flooding or river flooding.
- Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Water over roadways.
Additional Winter Storm Warnings include but are not limited to: Montana, Wyoming, and New Mexico
Additional Winter Weather Advisories include but are not limited to: Montana, Wyoming, Nebraska, Kansas, and New Mexico
Additional Wind Advisories include but are not limited to: Nevada, and Arizona
Additional Flood Warnings include but are not limited to: Arkansas, Missouri, Oklahoma, Kentucky, and Louisiana
Additional Flood Advisories include but are not limited to: Oklahoma
Additional Coastal Flood Advisories include but are not limited to: Louisiana, and Texas
Additional Flood Watches include but are not limited to: South Carolina
Additional Dense Fog Advisories include but are not limited to: South Dakota, Nebraska, Missouri, and Minnesota