Weather

UNITED STATES — Long-range ECMWF guidance is highlighting a highly dynamic storm system that could impact portions of the southern and central United States around February 15, with atmospheric conditions that may become supportive of organized severe weather if instability increases. Compact Upper Trough Produces Strong Large-Scale Dynamics The ECMWF model depicts a compact, fast-ejecting…

CALIFORNIA — A powerful and slow-moving Pacific storm pattern is signaling a prolonged period of heavy precipitation across California, with the most extreme impacts expected in the Sierra Nevada and significant rainfall extending into Southern California through the middle of February. Cold Upper-Level Lows Drive Extended Precipitation Window Forecast guidance shows cold upper-level low pressure…

UNITED STATES — Long-range atmospheric guidance is beginning to highlight a developing window for increased severe weather potential across parts of the southern United States as February moves toward its final week. CFSv2 Data Highlights Elevated Supercell Environment The latest CFSv2 Week 2 Accumulated Supercell Composite Parameter shows a concentrated signal across the Lower Mississippi…

TENNESSEE VALLEY AND LOWER OHIO VALLEY — A developing late-winter weather pattern is showing early spring characteristics, with repeated storm systems expected to track through the Lower Ohio Valley and Tennessee Valley over the next seven days, producing widespread rainfall and locally heavy totals. Active Storm Track Sets Up Across the Central U.S. Forecast guidance…

NORTH CAROLINA — A broad and increasingly confident warm-weather signal is taking shape across the United States, with forecast outlooks showing above-normal temperatures spreading across most states east of the Rockies, including North Carolina, Florida, Texas, and much of the Midwest, through at least the next two weeks. Warmer-Than-Normal Pattern Locks In Across Much of…

NORTH CAROLINA — After a notably quiet stretch expected on Friday and Saturday, weather models are beginning to hint at a possible return to active and potentially severe weather across parts of the Southeast as the broader pattern becomes more dynamic heading into the latter part of the weekend and beyond. Quiet Period Expected to…

COLORADO — A developing winter system is set to bring a two-phase snow event across Colorado, with light mountain snow beginning first and heavier, more impactful snowfall arriving Wednesday into Thursday, particularly across higher elevations and areas along and north of Highway 50. Light Snow Begins Ahead of Stronger Midweek Push Forecast guidance shows light…

MASSACHUSETTS — Winter refuses to loosen its grip on New England as another Canadian Clipper system drops southeast from Canada, bringing a fresh round of snowfall to Boston and surrounding areas Wednesday afternoon into the evening. Fast-Moving Clipper Targets Southern New England Forecast guidance shows a compact but efficient Clipper system sweeping across New England,…

CALIFORNIA — Winter is making a strong return across the western United States as a prolonged storm pattern lines up to deliver exceptional snowfall totals across California’s Sierra Nevada, with the most intense impacts focused along the crest and western slopes through the next 10 days. Multi-Storm Pattern Locks Onto the Sierra Nevada Forecast snowfall…

NORTH CAROLINA — A persistent cold pattern continues to dominate the eastern United States, keeping daytime temperatures well below seasonal norms across the Mid-Atlantic and extending its influence into the Carolinas, including North Carolina, as forecasters monitor a narrow midweek warming window and a potential weekend system. Cold Streak Shows No Signs of Breaking Quickly…