The Burchardi Flood, (also known as the second Grote Mandrenke) was a Storm tide that struck the North Sea coast of Nordfriesland (Germany and Denmark) on the night between 11th and 12th of October 1634. Overrunning dikes it shattered the coastline and many thousands of lives while causing catastrophic material damage. Much of the island of Strand washed away, leaving the islands Nordstrand, Pellworm and several Halligs. The Grote Mandrenke (Dutch: Great Drowning of Men) was the name of a massive southwesterly Atlantic gale, (see also European windstorm), which swept across England, the Netherlands, northern Germany and Schleswig around January 16, 1362, causing at minimum 25,000 deaths. ... A storm tide is a tide with a high flood period caused by a storm. ... The North Sea is a sea of the Atlantic Ocean, located between the coasts of Norway and Denmark in the east, the coast of the British Isles in the west, and the German, Dutch, Belgian and French coasts in the south. ... Nordfriesland (literally Northern Frisia) is a district in Schleswig-Holstein, Germany. ... Nordstrand (frisian Noordströön) is one of the North Frisian Islands on the North Sea coast of Germany. ... Pellworm is one of the North Frisian Islands on the North Sea coast of Germany. ... North Frisian Islands with Halligen (darker green) A Hallig (plural Halligen) is one of the ten small German islands without protective dikes in the North Frisian Islands on Schleswig-Holstein’s Wadden Sea-North Sea coast. ...

External links

• Nordstrand and the flood of 1634. Maps of the area (before and after), an eyewitness account of the flood and more.
• Changing coastline of Nordfriesland (Page in German). Shows maps of the coastline as changed during the last 1000 years