Summary:
The National Hurricane Center continues to monitor Nicole, which is expected to approach the east coast of Florida late Wednesday. Hazards including, dangerous storm surge, tropical storm and hurricane conditions and heavy rain and flooding are expected to impact parts of Florida and the Southeast. Meanwhile, a powerful storm will slam California on Tuesday with rain, flooding and mountain snow. Impacted Lanes: I-5, Hwy 93, I-80
California
Winter Storm Warning remains in effect until 4 PM PST Wednesday afternoon
- Heavy wet snow expected. Total snow accumulations of 2 to 4 inches above 5500 feet, 4 to 8 inches from 6500 to 7500 feet, to a few feet on the highest peaks. Winds gusting as high as 70 mph. There will also be areas of dense fog with sharply reduced visibility.
- Impacts: Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. Very strong winds could cause extensive tree damage.
High Wind Warning remains in effect until 10 PM PST this evening
- Southwest winds 30 to 40 mph with gusts to 60 mph expected.
- Impacts: Damaging winds will blow down trees and power lines. Widespread power outages are possible. Travel will be difficult, especially for high profile vehicles.
Flash Flood Advisory remains in effect until 9 AM PST Wednesday morning
- 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. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris.
Wind Advisory remains in effect until 10 PM PST this evening
- South winds 20 to 30 mph with gusts to 45 mph expected.
- Impacts: Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel may be difficult, especially for high profile vehicles.
Nevada
Winter Weather Advisory remains in effect until 4 AM PST Wednesday morning
- Snow expected. Total snow accumulations of 2 to 5 inches in valleys, with 5 to 10 inches in the mountains. Highest snowfall amounts are expected in South Central Elko County, including along I80 from Wells through Pequop and along Hwy 93 south of I80 through Clover Valley.
- Impacts: Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute.
Wind Advisory remains in effect until 4 AM PST Wednesday morning
- For the Wind Advisory, south winds 25 to 35 mph with gusts up to 50 mph expected.
- Impacts: High winds may move loose debris, damage property and cause power outages. Travel will be difficult especially for high profile vehicles.
Oklahoma
Dense Fog Advisory remains in effect until 9 AM CST this morning
- Visibility one quarter or less in dense fog.
- Impacts: Hazardous driving conditions due to low visibility.
South Dakota
Winter Storm Watch remains in effect until Friday morning
- Heavy mixed precipitation possible. Total snow accumulations of 9 to 14 inches and ice accumulations of a light glaze possible. Winds could gust as high as 45 mph.
- Impacts: Travel could be very difficult to impossible. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute.
Florida
Tropical Storm Warning remains in effect until Friday morning
- Wind: 30-40 mph with gusts to 55 mph
- Impacts: Many large trees snapped or uprooted along with fences and roadway signs blown over. Some roads impassable from large debris, and more within urban or heavily wooded places. Several bridges, causeways, and access routes impassable. Large areas with power and communications outages.
- Flooding Rain: 3-6 inches, with locally higher amounts
- Impacts: Rivers and tributaries may quickly become swollen with swifter currents and overspill their banks in a few places, especially in usually vulnerable spots. Small streams, creeks, canals, and ditches overflow. Flood waters can enter some structures or weaken foundations. Several places may experience expanded areas of rapid inundation at underpasses, low-lying spots, and poor drainage areas. Some streets and parking lots take on moving water as storm drains and retention ponds overflow. Driving conditions become hazardous. Some road and bridge closures.
Additional Winter Storm Warnings include but are not limited to: Utah, Wyoming, Idaho, and Montana
Additional Wind Advisories include but are not limited to: Arizona, Utah, Colorado, Wyoming, and Maine
Additional Fog Advisories include but are not limited to: Kansas, Texas and Louisiana
Additional Winter Storm Watches include but are not limited to: North Dakota and Minnesota
