1. Two of these entities in close proximity may experience the Fujiwara effect. Large examples of these can experience the “stadium effect”, and their size can be measured by the ROCI, or radius of the outermost closed isobar. Reaching a 12 on the Beaufort scale, tropical depressions are a weaker type of these entities whose intensity is measured by the Saffir-Simpson Scale, which uses a scale ranging from category 1 to category 5. For 10 points, name this rotating oceanic weather system, examples of which include Andrew and Katrina.