Hände einer Person, die eine Menge großer Hagelkörner halten.Jannick Fischer
Caution, hail! Or maybe not?

It could hail. It could. Insurers fear nothing more than the most costly natural hazard. An interview with Michael Kunz in DIE ZEIT.

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  NDR/ARD
The Risk of Extreme Weather—Thunderstorms, Hail, and Heavy Rain

Climate change is making the weather more unpredictable. Hail, storms, and heavy rain repeatedly cause massive damage. This documentary follows scientists as they investigate the causes and consequences.

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 Bernhard Mühr
June Heat: Warm Rivers Hinder Power Plant Productivity

Heat waves not only take a toll on nature; the energy infrastructure suffers as well. June brought more solar energy but slowed down wind power. Higher river water temperatures, in turn, reduced the cooling capacity of power plants, according to Michael Kunz on Deutschlandfunk.

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Mehrere große Hagelkörner in menschlichen Händen.Susanna Mohr
Hail: The underestimated danger

How Allianz experts, in collaboration with KIT, are tackling one of the world’s most underestimated natural disaster risks.

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Ausgetrockneter BodenSusanna Mohr
KIT Expert on the Heat Wave: “Prolonged Heat Poses a Systemic Risk to Europe.”

The heat wave in June 2026 ranks among the most extreme ever recorded in Europe. New temperature records and tropical nights took a toll on people, infrastructure, and utilities. An interdisciplinary research team is investigating the causes and consequences of the extreme heat—from the water cycle and energy supply to public health.

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Portrait Michael KunzTheresa Ehrl/SWR
Controversial Method - Extreme Weather

Do hail-protection planes really protect against storm damage—or are they ineffective? Michael Kunz in a SWR contribution.

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Karte der maximalen Lufttemperaturen während einer Hitzewelle in den Stadtbezirken von Karlsruhe.Susanne Benz (Data: Stadt KA)
CEDIM FDA Report "Heat wave June 2026 | Western and Central Europe"

Just published: The CEDIM FDA Report on the June 2026 heat wave - featuring analyses of its causes, records, and consequences in Western and Central Europe.

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HagelJannik Wilhelm
Searching hailstones...

Hailstone in the freezer: Please send an email to hagel@imktro.kit.edu

 

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.Jannick Fischer
Simulated hail trajectories indicate increasing hail size under climate change

Thousands of hail trajectories in idealized supercell ensembles were simulated and show the roles of changing temperature, moisture, and updrafts.

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USA_ICECHIP_2025.jpgSusanna Mohr, KIT
Hail Events in Germany: Trends and Regional Differences

New analyses by KIT reveal regional differences in hail tracks and provide initial indications of long-term developments

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CNN-basiertes ModellChristian Sperka
Machine learning model for the prediction of potential hail tracks in Germany

A CNN-based model predicts the hourly locations of potential hail tracks in Germany by using reanalysis and radar data

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