Hurricane Maria intensified to a dangerous category four WASHINGTON, Sep 19 — RIA Novosti, Alexei Bogdanovsky. Hurricane “Maria” in the Atlantic has intensified to a dangerous 4th category on a scale, according to the national center for prevention of storms USA. “Maria” became extremely dangerous hurricane 4 category. The center of the hurricane and its inner ring are expected in the next few hours will be in the heart of Dominica,” — said the center. A constant wind speed within the hurricane reaches 215 km / h.