Spatial distributions of tropical cyclone tornadoes by intensity

Authors: Todd Moore*, Towson University
Topics: Climatology and Meteorology, Hazards, Risks, and Disasters
Keywords: Tropical cyclones, tornadoes, tornado intensity
Session Type: Paper
Day: 4/14/2018
Start / End Time: 2:00 PM / 3:40 PM
Room: Napoleon B3, Sheraton 3rd Floor
Presentation File: No File Uploaded

Tropical cyclones produce tornadoes as they approach landfall and track inland. It is well documented that most of these tornadoes are produced in the northeast quadrant of the tropical cyclone environment. It is also well documented that most tropical cyclone tornadoes occur relatively close to the coastline. It is less well known if the relative frequencies of the most intense tornadoes are also greatest in these areas. Here, I analyze the spatial distributions of tropical cyclone tornadoes, stratified by intensity. The destruction potential index (DPI) is used to represent tornado intensity. Results suggest that, in the tropical cyclone environment, the most intense tornadoes tend to occur near the overlap of the northeast and east-of-center quadrants. They also show that, despite most tornadoes occurring near the coastline, the most intense of them tend to occur in relatively high latitude and inland areas.

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