Hurricane Bertha (2008) classified as a tropical depression by 06:00 UTC on July 3, located about 255 miles (410 km) south-southeast of Cabo Verde. The NHC noted that global modelling suggested the possibility of tropical development over a week prior, a "remarkable achievement" at the time. The storm's cloud pattern continued to coalesce, and it was upgraded to Tropical Storm Bertha six hours later. On the southern periphery of a mid-level ridge over the open Atlantic, Bertha moved swiftly west-northwest to northwest for several days. Despite being embedded within an environment of low vertical wind shear, the storm passed over ocean temperatures near
Bertha Benz hope." In 2008, the Bertha Benz Memorial Route was officially approved as a route of the industrial heritage of mankind, because it follows Bertha Benz's path during the world's first long-distance journey by automobile in 1888. Now it is possible to follow the 194 km of signs indicating her route from Mannheim via Heidelberg to Pforzheim (Black Forest) and back. The "Bertha Benz Challenge", embedded in the framework of the ceremony of "Automobile Summer 2011", the big official German event and birthday party commemorating the invention of the automobile by Karl Benz over , took place on Bertha Benz Memorial