Quantifying the shapes of U.S. landfalling tropical cyclone rain shields

Auteur :
MATYAS, C.

Description :
This study utilizes geographic information systems to spatially analyze radar returns and calculate several metrics that quantify the shapes of TC (Tropical Cyclone) rain shields. Three stepwise discriminant analyses are performed to determine which of the shape metrics distinguish among TCs categorized by : intensity, distance, traveled inland, and orientation of terrain encountered. Results confirm that TC rain shields often assume noncircular shapes. Utilizing shape indices to model rain shields could help produce TC rainfall forecasts that are more spatially accurate.


Type de document :
Article de périodique

Source :
The Professional geographer, issn : 0033-0124, 2007, vol. 59, n°. 2, p. 158-172, nombre de pages : 15, Collation : Illustration, Références bibliographiques : 55 ref.

Date :
2007

Editeur :
Pays édition : Etats-Unis, Cambridge, MA, Blackwell