Complex sentence: The tents, where asylum seekers were living have a manufacturer maximum wind force rating of 10, but squalls up to force 11 were expected, several hundred migrants were also moved out of tents in Dresden and Berlin.
Split into simpler sentences: The tents, where asylum seekers were living, have a manufacturer maximum wind force rating of 10, but squalls up to force 11 were expected. Several hundred migrants were also moved out of tents in Dresden and Berlin.