Forecasting National Hurricane Center Storm Impacts Meteorological Phenomena Hurricane Center Advisories Forecasting Models Storm Categories Hurricane Forecasting Impact on Weather Patterns Storm Characteristics Movement Patterns Storm Impact Intensity Changes Meteorological Events Hurricane Development Impact Assessment Storm Path Tropical Storm Jerry Jerry Hurricane Formation Tropical Storm Ernesto Tropical Storm Lorenzo Potential Tropical Cyclone Five Storm Development Remnants of Storms
Karen formed unusually far north, then degraded into a post-tropical low.