Understanding atmospheric instability
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 …
Spring 2025 early Forecast: The United States and Canada under the seasonal impact of the La Niña
Spring season 2025 is slowly getting closer, with early forecasts revealing that the recent burst of the La Niña will influence the jet stream pattern …
Understanding the ACE Index: Measuring tropical cyclone energy
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 …
Ireland braces for Éowyn on Friday, the most powerful storm in decades. Winds to near 200 km/h are forecast
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 …
Multiple intense Atlantic storms will blast into Ireland and the UK next weekend
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 …
Spring 2025 Europe Forecast: Early Forecasts show a high-pressure pattern, with the low-pressure zone further north
Long-range forecast data for Spring 2025 is now available, and it shows a mostly warmer season over Europe, with normal precipitation. A predominantly high-pressure pattern …
Winter Storm Enzo brings rare snowfall to the Gulf Coast, Arctic Blast intensifies
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 …
Red sprites, gigantic jets, elves: Captivating upper-atmosphere lightning
If ordinary lightning seems pretty ordinary, upper-atmosphere lightning is something else – an entire zoo of various upper-atmosphere electrical discharges. Red sprites, gigantic and blue …