Europe Braces for First Major Cold Snap of Autumn 2024
A dramatic shift in European weather patterns is underway, marking the end of the historic heatwaves and the beginning of a dynamic autumn season. After a weekend of intense rainfall in Italy and the Alpine region, a significant cold air mass is poised to sweep across much of the continent.
Temperature Plunge: Temperatures will drop significantly this week, marking the coldest point of autumn 2024.
Increased Rainfall: Heavy rainfall and a heightened risk of flooding are expected in Italy, the Alpine region, and surrounding areas.
Alpine Snowfall: The cold air mass will bring extreme snowfall to the higher Alps, especially in the northern parts.
Weather Pattern Breakdown:
Atlantic Blocking: A strong blocking high over the Atlantic is allowing cold Arctic air to move southward.
Deep Trough: A deep upper-level trough is forming in Western Europe, creating a corridor for cold air to flow south.
Cold Air Intrusion: A cold air mass is already moving across Western Europe, reaching Southern France and the Alps by Wednesday night.
Surface Low and Frontal System: A deep surface low and a well-defined frontal system will develop over the northern Mediterranean, bringing intense rainfall, thunderstorms, and heavy snowfall.
Rainfall and Flooding:
Excessive Rainfall: The frontal system will likely bring another round of excessive rainfall to central Europe and the Mediterranean, increasing the risk of flooding.
Accumulated Rainfall: Forecasts suggest significant rainfall accumulation in certain regions, potentially reaching 200+ mm within 72 hours.
Snowfall in the Alps:
Extreme Snow: The cold air mass will lead to intense snowfall in the higher Alps, with potential accumulations of 100-150 cm or even more.
Monitor Forecasts: Keep an eye on weather forecasts for updates on the developing situation.
Be Prepared: Be prepared for potential flooding and extreme weather conditions.
Check for Local Alerts: Stay informed about any local weather alerts or advisories.
Remember: Weather patterns can change rapidly, so it's essential to stay updated with the latest forecasts.
Founder and chief forecaster of the Pogodnik service. He has many years of experience in the meteorological service. He is the author of numerous scientific publications and popular articles about the weather.
