Severe Weather with Centimeters of Hail Grains and Massive Heavy Rain Flows Across Hildesheim District – Thunderstorm Cell Floods Villages in No Time – Fire Service Rescues Woman From Water Masses Trapped in a Voluminous Cellar – Person Admitted to Hospital – Forces Have Considerable Problems to Reach Their Own Equipment Houses – Huge Hail Grains Smash the Roof of the Fire Department Building in Hotteln