Summer break of the office from 7th August to 25th August 2025!

This year, the office will be taking a summer break from 7th to 25 August 2025.

HKC Newsletter Nr.3 2025

We’re excited to share the third edition of our 2025 newsletter with you!

Quarks: Heavy rain – when is your home at risk?

What does 50 liters of rain per hour actually mean for your home? The new Quarks video shows how you can use the HochwasserApp NRW app to assess your personal risk of heavy rain. Even five centimeters of water that does not drain away can be enough to penetrate basements and living spaces and cause expensive damage.

Heavy flooding in New York

A severe thunderstorm caused massive flooding in New York on Monday evening!