The primary focus of today's briefing is the significant and ongoing impact of a substantial fall storm across the Northeast, resulting in localized roadway and coastal flooding. As we navigate through the details of this weather event, it becomes evident that gradual improvement is anticipated later in the day. Furthermore, we must acknowledge the impending arrival of the first in a series of Pacific atmospheric rivers that is expected to affect Washington and Oregon, bringing with it rising rivers and hazardous surf conditions. Additional warnings are in effect for various coastal regions, including gale warnings and high surf advisories, as Hurricane Melissa remains situated offshore while indirectly contributing to dangerous conditions along the U.S. East Coast. It is imperative that we remain vigilant and heed advisories throughout this tumultuous weather period.
On this day, the weather across the United States exhibits a multitude of phenomena, particularly a severe fall storm that is notably impacting the Northeast region. The storm has engendered localized roadway flooding and minor coastal flooding, although it is anticipated that conditions will gradually improve throughout the day. In the western territories, a significant atmospheric river is set to arrive, impacting Washington and Oregon, bringing with it rising river levels, substantial snowfall in higher elevations, and hazardous surf conditions that could endanger coastal and marine activities. Furthermore, Hurricane Melissa, while currently positioned offshore, is generating long-period swells that will reach parts of the East Coast, creating hazardous surf and rip currents that could pose threats to public safety.
As we assess the specific regional forecasts, it is evident that Southern California beaches face considerable dangers due to hazardous surf and strong rip currents, as indicated by advisories from the Los Angeles Oxnard Forecast Office. The National Weather Service (NWS) Gray has also issued gale and storm warnings for the coastal waters of Maine and New Hampshire, where strong winds and rough seas are anticipated. Massachusetts continues to experience marine hazards, while New Jersey is under a coastal flood advisory, highlighting the potential for minor inundation around high tide. The New York City Metro area and the Lower Hudson Valley are similarly under wind advisories, indicating the likelihood of gusts that could cause damage and complicate travel. In Oregon, a dual concern arises with hazardous marine conditions and a strengthening atmospheric river, prompting advisories regarding high surf and potential sneaker waves. Washington is also preparing for heavy rainfall and rising stream flows as the atmospheric river makes its approach.
In conclusion, while significant weather events shape the forecasts for various regions, it is noteworthy that other states report no substantial updates. The potential for severe thunderstorms is deemed low across the nation, and the SPC's Day 1 outlook indicates no organized risk areas. As we finalize this weather briefing, we emphasize the importance of safety and vigilance among our listeners, especially those in areas under advisories. Staying informed through local forecasts is essential to ensure preparedness in the face of these weather challenges.
Takeaways:
Sources
[NWS | https://www.weather.gov/phi/marine]
[NWS | https://www.weather.gov/sew/]
[NWS | https://www.weather.gov/pqr/]
[NHC | https://www.nhc.noaa.gov/text/refresh/MIATCPAT5+shtml/]
[SPC | https://forecast.weather.gov/product.php?site=JKL&issuedby=DY1&product=SWO&format=TXT&version=1]
[USGS | https://earthquake.usgs.gov/earthquakes/map/]
[NWS Los Angeles/Oxnard | https://www.weather.gov/lox/]
[NWS Gray/Portland | https://www.weather.gov/gyx/]
[NWS Boston/Norton | https://www.weather.gov/box/]
[NWS Mount Holly | https://www.weather.gov/phi/dss_port]
[NWS Mount Holly | https://www.weather.gov/phi/marine]
[NWS New York/Upton | https://www.weather.gov/okx/]
[NWS Medford | https://www.weather.gov/mfr/]
[NWS Portland | https://www.weather.gov/pqr/]
[NWS Seattle | https://www.weather.gov/sew/]
[NWS (national) | https://www.weather.gov/phi/marine]
Localized roadway flooding and pockets of minor coastal flooding are possible before gradual improvement later.
Speaker A:Out west the first in a series of Pacific atmospheric rivers arrives late today into Saturday in Washington and Oregon.
Speaker A:Rising rivers, mountain snow at higher passes, gales on the coastal waters and dangerous surf through the weekend over the Atlantic.
Speaker A:Hurricane Melissa remains well offshore.
Speaker A:However, the National Hurricane center warns long period swells will reach portions of the U.S. east coast today producing life threatening surf and rip currents.
Speaker A:Severe thunderstorm potential is low nationwide.
Speaker A:SPC's Day 1 outlook carries no organized risk areas.
Speaker A:USGS logs routine small earthquakes over the past day with no notable damaging US Events.
Speaker A:Let's run through the States California Southern California beaches face hazardous surf and strong rip currents.
Speaker A:The Los Angeles Oxnard Forecast Office keeps a high surf advisory and small craft advisories in effect for coastal Maine and New Hampshire waters.
Speaker A:NWS Gray highlights gale and storm warnings with strong winds and rough seas early today as the departing system lifts into the Canadian Maritimes.
Speaker A:Onshore, a wind advisory is posted for portions of the coast.
Speaker A:Massachusetts Marine hazards continue off southern New England.
Speaker A:NWS Boston Norton shows gale and storm warnings on the coastal waters with a wind advisory onshore as the low exits.
Speaker A:New Jersey along the NJ shore and Delaware Bay.
Speaker A:NWS Mount Holly notes a coastal flood advisory through this evening for pockets of minor flooding around high tide plus ongoing small craft advisories on area waters as winds and seas remain elevated behind the departing low.
Speaker A:New York the New York City Metro and Lower Hudson Valley are under a wind advisory from midday through midnight for gusts that can down small limbs and create difficult travel on elevated roads and bridges.
Speaker A:Marine gale warnings also continue on the near shore waters.
Speaker A:Oregon Two concerns heading into the weekend, hazardous marine conditions and a strengthening atmospheric river.
Speaker A:NWS Medford warns of a heavy long period west swell building late tonight into Saturday with 20 to 25 foot breakers and a brief sneaker wave threat.
Speaker A:Avoid jetties and steep beaches.
Speaker A:NWS Portland highlights gale warnings and high surf advisories on the north coast as the AR arrives.
Speaker A:A strong atmospheric river begins impacting western Washington late today into Saturday.
Speaker A:NWS Seattle flags gale warnings for coastal waters with heavy rain focused on the Olympics and North Cascades, rising stream flows and hazardous surf through the weekend.
Speaker A:All other states have no significant updates in the last 24 hours.
Speaker A:That's the brief for Friday, October 31st.
Speaker A:Stay safe.