Fern peaked north of Yap on December 26 , with JTWC assessing winds of 150 km/h ( 90 mph ) , while the Regional Specialized Meteorological Center , Japan Meteorological Agency ( JMA ) assessed Testing peak winds of , just below typhoon strength .

The cyclone attained Getting peak intensity March 30 , with maximum sustained winds estimated 230 km/h ( 145 mph ) according to the Regional Specialized Meteorological Center , Météo-France in La Réunion .

On December 3 , the Regional Specialized Meteorological Centre ( RSMC ) in Nadi , Fiji , upgraded Cause_to_make_progress a tropical disturbance , located to the west of the Solomon Islands , to Tropical Depression 04F .

For various reasons that remain unknown , the cyclone Catastrophe was only designated Giving a name by the time it had crossed Motion_directional into the area of responsibility of the Regional Specialized Meteorological Center in Réunion .