Coastal flooding risks on the West Coast demand immediate attention as we navigate through the atmospheric conditions affecting various regions. The National Weather Service has issued a coastal flood warning for the San Francisco Bay, effective from 7 AM today until 2 PM Saturday, emphasizing the potential for significant tidal overflow and low-lying road closures. Additionally, a winter storm warning is in effect for the Sierra Nevada and adjacent ranges, where heavy snow accumulation is anticipated, thereby complicating travel across affected areas. Moreover, hazardous marine conditions persist in parts of Alaska, with warnings of heavy freezing spray and elevated sea conditions. As we delve into this episode, we shall provide a comprehensive overview of these critical weather alerts and their implications across the United States.

Takeaways:

1. The National Weather Service has issued a coastal flood warning for the San Francisco Bay area, effective from today until Saturday afternoon.
2. Coastal flood advisories are in effect for the broader Pacific coast and Monterey Bay through Sunday, indicating significant tidal concerns.
3. Winter storm warnings have been issued for the Sierra Nevada region, with heavy snowfall anticipated and travel difficulties expected.
4. Hazardous marine conditions persist in parts of Alaska, with warnings for heavy freezing spray and rough seas over the weekend.
5. In New York, winter weather advisories remain active, particularly for areas experiencing lake effect snow, leading to hazardous road conditions.
6. The Pacific Northwest is under a coastal flood warning due to king tides, with potential tidal overflow affecting low-lying areas.

Sources

[NWS Alaska | https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=usa&wwa=Heavy+Freezing+Spray+Warning]

[NDBC Marine | https://www.ndbc.noaa.gov/data/Forecasts/FZAK52.PAFC.html]

[NWS Bay Area | https://www.weather.gov/mtr/]

[NWS Hazard Statement | https://forecast.weather.gov/showsigwx.php?warnzone=CAZ006&product1=Coastal+Flood+Warning]

[NWS Sacramento | https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=sto&wwa=winter+storm+warning]

[NBC Bay Area recap | https://www.nbcbayarea.com/news/local/wind-coastal-flood-advisories/4006265/]

[NWS Honolulu Surf | https://www.weather.gov/hfo/SRF]

[NWS Honolulu Coastal Flood Statement | https://www.weather.gov/wwamap/wwatxtget.php?cwa=usa&wwa=all]

[NWS Gray/Portland | https://www.weather.gov/gyx/]

[NWS Marquette | https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=usa&wwa=winter+weather+advisory]

[NWS Gaylord | https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=usa&wwa=winter+weather+advisory]

[NWS Reno | https://forecast.weather.gov/product.php?issuedby=REV&product=WSW&site=rev]

[NWS Buffalo | https://forecast.weather.gov/showsigwx.php?warnzone=NYZ085&product1=Hazardous+Weather+Outlook]

[NWS Albany/BGM Advisories | https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=usa&wwa=winter+weather+advisory]

[NWS Cleveland | https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=usa&wwa=winter+weather+advisory]

[NWS Portland | https://www.weather.gov/wwamap/wwatxtget.php?cwa=pqr&wwa=all]

[NWS Cleveland (NW PA) | https://forecast.weather.gov/wwamap/wwatxtget.php?cwa=buf&wwa=hazardous+weather+outlook]

[NWS Seattle | https://www.weather.gov/sew/]

[NWS SEW Coastal Flood products | https://www.weather.gov/wwamap/wwatxtget.php?cwa=sew&wwa=all]

[NWS Copalis/MapClick | https://forecast.weather.gov/zipcity.php?inputstring=98536]

Good Morning, I'm Cedric and this is.

We start with coastal flooding risks on the West Coast.

The National Weather Service has a coastal.

Flood warning around San Francisco Bay through.

Saturday afternoon and broader coastal flood advisories.

Along the Pacific coast and Monterey Bay through Sunday.

Expect nuisance flooding around the morning, high.

Tides and some low lying road closures.

Coastal flood products are also up today.

For parts of the Washington and Oregon coasts tied to king tides in the mountains.

A winter storm is underway from the.

Sierra Nevada into adjacent ranges with heavy.

Snow and difficult travel across the Great Lakes.

Lake effect snow continues today with localized.

Hazardous travel in parts of New York.

Michigan and Ohio over Alaska waters.

Mariners face heavy freezing spray and gales.

In places in the tropics.

The National Hurricane center reports no active tropical cyclones.

USGS shows no magnitude 4.5 or greater.

Earthquakes in the US in the past day.

Monitoring continues.

Let's run through the states.

Alaska Hazardous marine conditions persist in parts.

Of the Bering and surrounding waters with.

Heavy freezing spray warnings posted and SEAS.

Building above 20 foot at times through the weekend.

California Two main hazards today.

One coastal flood warning for the San.

Francisco Bay shoreline 7am today to 2pm.

Saturday, then coastal flood advisory through Sunday.

Afternoon along the Outer coast and Monterey Bay.

Two winter storm warnings for the Sierra.

And Lassen Plumas zones from late tonight into the weekend with heavy snow and chain controls.

Hawaii High surf advisory continues for north.

Facing shores on the Big island today with 10 to 15 foot surf.

A coastal flood statement notes minor nighttime.

High tide flooding possible in low lying areas.

Marine hazards today include gale warnings and.

Freezing spray advisories on portions of the Gulf of Maine.

Michigan Upper Peninsula Winter weather advisories continue.

This morning for Alger Luce, Northern Schoolcraft.

And western Chippewa with additional lake effect accumulations up to 3 inches and slick roads.

Nevada Sierra Front Tahoe Area Winter storm.

Warnings remain in effect across higher terrain with periods of heavy snow and gusty ridge winds.

New York Western and Central Nye Winter storm warning continues today for portions of.

The Buffalo south towns and adjacent counties with lake effect snow.

Winter weather advisories elsewhere including southern Herkimer.

And parts of central ny, Ohio Far Northeast counties Winter weather advisory today for.

Ashtabula inland lakeshore with 1 to 4.

Inches additional lake effect snow and hazardous roads.

Oregon Coast Coastal flood advisory for Clatsup.

Tillamook and the south Washington coast 9am to 2pm today for minor tidal overflow near king tides.

The South Central coast remains under advisory.

Through Saturday early afternoon.

Pennsylvania Northwest Lake effect impacts clip Crawford.

Erie counties with winter weather advisories and ongoing slick conditions.

Washington Pacific Coast Coastal flood warning Late morning to early afternoon today on parts.

Of the outer coast for example Grays.

Harbor area with additional coastal flood watch.

For a repeat window Saturday.

Brief tidal overflow and low lying road.

Closures are possible around peak tides.

All other states have no significant updates.

In the last 24 hours.

That's the EM morning brief for Friday, January 2nd.

Source links are in the notes below.

Stay safe.