The highest ever measured thunderstorms – how high can they go?
How high into the sky can thunderstorms develop – what are the highest ever measured thunderstorms? The most vigorous updrafts reach the tropopause and produce … Read more
Global Weather News and Forecasts, covering the United States, Canada and Europe
How high into the sky can thunderstorms develop – what are the highest ever measured thunderstorms? The most vigorous updrafts reach the tropopause and produce … Read more
The active Polar Vortex is grazing across the Northern Hemisphere, affecting Siberia and North America. It produces wave after wave across the continent and is … Read more
Convection initiation typically starts along boundary-layer convergence zones. These zones have long been known to be key factors in convection initiation and further storm evolution. … Read more
Atmospheric instability is where the Earth’s atmosphere is generally considered unstable. As air near the ground heats, it becomes more and more unstable and becomes … Read more
The Accumulated Cyclone Energy (ACE index) is a metric used to express the energy a tropical cyclone uses during its lifetime. The calculation multiplies a … Read more
Friday will bring one of Ireland’s most violent Atlantic storms in decades. Destructive winds, significant waves, and extremely low surface pressure are forecast as a … Read more
The ongoing disruptions of the Polar Vortex aloft led to its southern lobe emerging over North America. Its related cold wave will drag Arctic air … Read more
The powerful Arctic Blast is underway across Canada and the United States, spreading south across the continent. This is the most significant this season, thanks … Read more