Author: Nina Clarke

UNITED STATES — A significant late-December pattern shift is taking shape, steering storms away from the central U.S. and toward northern states as a strong high-pressure ridge settles over the middle of the country. New model guidance highlights a notable transition as the final week of December approaches. Pacific systems that have been impacting the…

California — A Major Christmas-Week Pattern Shift Takes Shape, After nearly a month of unusually warm and dry conditions across the Desert Southwest and Southern California, a significant shift in the weather pattern is now developing just in time for the holiday period. Atmospheric indicators, Pacific satellite loops, and CPC guidance all point to a…

WASHINGTON STATE — A Major Flood Emergency is Building With the Heaviest Rainfall Still Ahead, Washington State is entering one of its most dangerous stretches of the winter season, with meteorologists warning that the worst flooding has not yet arrived. After multiple days of nonstop rainfall, new model data shows another 4–12 inches of additional…

LOS ANGELES, CALIFORNIA — After nearly a month of unusually warm and dry conditions across the Desert Southwest and Southern California, a significant pattern change is developing — and it’s expected to arrive just in time for the Christmas holiday period. Forecast confidence is growing that the persistent ridge keeping the region dry will weaken…

NEW YORK — A powerful and nearly stationary lake-effect snow band is hammering communities east of Lake Ontario this afternoon, producing extreme snowfall rates and rapidly deteriorating travel conditions across Oswego and Jefferson counties. Radar data shows reflectivity values nearing 40 dBZ, a signature commonly associated with 5–6 inches of snow per hour — some…

CALIFORNIA — A new stretch of unsettled weather is taking shape across the West Coast, with rain beginning to arrive in the North Bay tonight and spreading across the broader Bay Area from Thursday through Saturday. Forecast confidence is now increasing that multiple storm systems will continue into next week, bringing the potential for heavier…

PENNSYLVANIA — A strong storm system is setting up to impact large portions of the Central and Eastern United States by the end of this week, with the most significant effects expected across Pennsylvania, New Jersey, New York, Maryland, Virginia, and Ohio. Forecast models show a powerful warm-side system capable of producing widespread rainfall, damaging…