{"id":6288,"date":"2025-12-14T15:00:30","date_gmt":"2025-12-14T20:00:30","guid":{"rendered":"http:\/\/ezweather.com\/myblog\/?p=6288"},"modified":"2025-12-14T20:57:56","modified_gmt":"2025-12-15T01:57:56","slug":"u-s-hazards-outlook","status":"publish","type":"post","link":"https:\/\/www.ezweather.com\/myblog\/2025\/12\/14\/u-s-hazards-outlook\/","title":{"rendered":"U.S. Hazards Outlook (Wed, Dec 17th though Sun, Dec 28th)"},"content":{"rendered":"

Hi Everyone,<\/span><\/p>\n

Check out the latest US Hazards Outlook from the Climate Prediction Center below.\u00a0 \u00a0Note Weather Prediction Center (WPC) and Climate Prediction Center (CPC) update this product Mondays through Fridays only.\u00a0\u00a0<\/span><\/p>\n

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US HAZARDS OUTLOOK<\/strong><\/span>
\nNWS Weather Prediction Center and Climate Prediction Center
\nCollege Park, MD<\/strong><\/span>
\n300 PM EDT Friday, December 14, 2025<\/strong><\/span><\/p>\n\n\n\n\n
Day 3 \u2013 7 Outlook<\/span>\u00a0<\/strong><\/span><\/td>\nDay 8 \u2013 14 Outlook<\/span>\u00a0<\/strong><\/span><\/td>\n<\/tr>\n
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US Day 3 – 7 Hazards Outlook<\/strong><\/span><\/p>\n

Issued by the Weather Prediction Center (WPC)<\/strong><\/span><\/p>\n

Valid Wednesday, December 17th though Sunday, December 21st, 2025 \u00a0<\/strong><\/span><\/p>\n


\n…Another significant atmospheric river will impact the Pacific Northwest, particularly into Thursday…<\/span><\/p>\n

…Pattern Overview…<\/span><\/p>\n

It generally remain the case that as the medium range period begins midweek, quasi-zonal flow will be in place across the lower 48 with quickly moving embedded systems, including a couple of shallow shortwaves over the Great Lakes and the Northwest. The Northwest shortwave is forecast to broaden\/deepen as it moves east into the north-central U.S. Thursday and into the East by Friday accompanied by a surface low pressure system. Upstream, strong westerly flow will force another atmospheric river (AR) into the<\/span>
\nNorthwest\/northern California into Thursday. Additional flooding is possible especially in areas that have seen excessive rainfall recently, and heavy snow is likely in the higher terrain. Temperature-wise, the flat flow will allow for above average temperatures for most of the CONUS, though the northern tier could see colder periods with shortwaves moving through.<\/span><\/p>\n

Click here<\/a><\/span> for the rest of the forecast discussion\u00a0<\/strong><\/span><\/p>\n

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US Weather Hazards<\/strong><\/span><\/p>\n

Issued by the Climate Prediction Center<\/span><\/strong><\/p>\n

8 to 14 Day Outlook Summary\u00a0<\/strong><\/span><\/p>\n

Valid Monday December 22, 2025 to Sunday December 28, 2025\u00a0 \u00a0<\/strong><\/span><\/p>\n

Synopsis<\/span><\/strong>: A persistent pattern featuring strong mid-level and surface low pressure over the North Pacific will favor a variety of weather hazards, including high winds, heavy precipitation, and high-elevation snow across the western Contiguous U.S. (CONUS) throughout week-2. The best chances for impactful weather extends across northwestern and northern California, the Sierra Nevada, and adjacent southwestern Oregon, where high risks for heavy precipitation and heavy mountain snowfall are posted. Surface low pressure over the Great Plains along with surface high pressure over the Southeast U.S. are expected to induce potentially hazardous winds over much of the Plains, Mississippi Valley, and western Great Lakes. Farther north, strong surface high pressure over the Yukon and interior Alaska is favored to entrench extremely cold air into southeastern Alaska for all of week-2.<\/span><\/span><\/span><\/p>\n

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Experimental Probabilistic Outlooks<\/strong><\/span>
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Temperature Hazards<\/strong><\/span><\/td>\nPrecipitation Hazards<\/strong><\/span><\/td>\nWind Hazards<\/strong><\/span><\/td>\n<\/tr>\n
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Snow Hazards<\/strong><\/span><\/td>\n<\/tr>\n
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Weather Hazards<\/strong><\/span><\/p>\n