Fernanda rapidly intensifies as expected, now a Category 4 hurricane in the deep Pacific tropics; 97E may develop
Hurricane Fernanda rapidly intensified last night into today to become the strongest tropical cyclone of 2017 so far in the Northern Hemisphere. Fernanda is now a Category 4 hurricane on the Saffir-Simpson Hurricane Scale – the first of such this year. Fernanda was able to rapidly intensify over very favorable conditions, including light wind shear, a moist environment and very warm sea surface temperatures. Some slight additional intensification is possible before eyewall replacement cycles will likely cause fluctuations in intensity…