The primary focus of today's discourse pertains to the impending atmospheric conditions that are anticipated to impact various regions across the western United States, particularly California. A rapidly advancing atmospheric river is expected to instigate flood watch conditions spanning from the Yosemite Valley and Sierra foothills into the Southern Cascades, while a robust onshore flow will generate wind advisories within the Sacramento Valley and inclement winter weather in the High Sierra. Furthermore, the Weather Prediction Center has indicated a significant likelihood of flash flooding across central Northern California, particularly in urban areas. In addition, the episode delineates the potential hazards of rock falls and debris flows in proximity to recently burned areas, emphasizing the manifold risks associated with these weather patterns. As we navigate through these forecasts, we remain committed to providing timely and pertinent information to ensure the safety and preparedness of our listeners.
Takeaways:
The atmospheric river is bringing significant flood watch conditions across various regions in California.
Flash flooding is highly probable in central Northern California, particularly in urban areas today.
Winter storm warnings are in effect for Mono County, predicting hazardous travel conditions.
High surf advisories are in place for Hawaii's east-facing shores, with surf reaching heights of 14 feet.
Nevada is experiencing expanded winter headlines, indicating severe weather near the Sierra front.
Coastal regions of Oregon and Washington are under small craft advisories due to rough sea conditions.
Let's run through the States California A fast moving atmospheric river brings flood watch conditions from the Yosemite Valley and Sierra foothills into the Southern Cascades while strong onshore flow produces wind advisories in the Sacramento Valley and winter weather in the High Sierra.
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The Weather Prediction center states flash flooding is likely across central Northern California through late day urban flooding.
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Rock fall and debris flows near recent burn areas are possible.
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The Sierra turns wintry this afternoon and tonight.
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Mono county is under a winter storm warning above 9,000ft along the southern California beaches, a high rip current risk and building surf develop late tonight into Friday.
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High surf advisory continues today for east facing shores of Kauai, Oahu, Molokai, Maui and Hawaii island with 10 to 14 foot surf driven by strong trades and a north northeast swell.
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Local officials on Hawaii island note some shoreline closures and traffic impacts near Hilo Bayfront during higher surf and gusty winds.
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Nevada Winter headlines expand along the Sierra front and into Mono County.
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Winter storm warning begins this afternoon above 9,000ft for Mono county with hazardous mountain travel and periods of whiteout likely on the highest passes.
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Lake wind advisory conditions also develop on Tahoe and Pyramid.
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Oregon the coastal waters and south interior valleys see small craft and wind advisories as the Pacific system lifts north.
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Expect choppy seas 8 to 11ft and periods of rain.
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Inland, the Rogue and Klamath basins may see morning gusts before easing.
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Washington A series of fronts keeps the coastal and inland marine zones rough.
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Small craft advisories are in effect for the coastal waters and the Strait of Juan de Fuca with 10 to 13 foot seas and 20 to 25 knot winds.
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A westerly surge pushes through the strait this afternoon before easing tonight.
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All other states have no significant updates in the last 24 hours.
