A NOAA image taken by the Japan Meteorological Agency in September shows Typhoon Usagi. A new study says that such tropical cyclones are reaching peak intensity farther away from the equator. NOAA/JMA/AP hide caption

itoggle caption NOAA/JMA/AP

Hurricane Raymond is seen at 2 p.m. ET Monday, in a photo provided by NOAA. The storm is threatening an area of Mexico that's still coping with the effects of last month's massive rains. NOAA/AP hide caption

itoggle caption NOAA/AP

Near the town of Petaquillas, Mexico, a man held on to a line Wednesday as he crossed a stream swollen by rain dumped by the storm Manuel. Alejandrino Gonzalez/AP hide caption

itoggle caption Alejandrino Gonzalez/AP

An image provided by NOAA taken at 2:45 a.m. EDT Sunday shows Hurricane Ingrid approaching from the Gulf of Mexico and Tropical Storm Manuel just off the western coast of Mexico. AP hide caption

itoggle caption AP

Rescue in Hoboken: Much of the New Jersey city remains flooded and the National Guard has been called in to help rescue stranded residents. Tuesday, this was the scene on one of the city's flooded streets. Eduardo Munoz /Reuters /Landov hide caption

itoggle caption Eduardo Munoz /Reuters /Landov