publication . Article . 2003

Baroclinically Induced Tropical Cyclogenesis

Christopher A. Davis; Lance F. Bosart;
Open Access
  • Published: 03 Nov 2003 Journal: Monthly Weather Review, volume 131, pages 2,730-2,747 (issn: 0027-0644, eissn: 1520-0493, Copyright policy)
  • Publisher: American Meteorological Society
Abstract
The authors investigate the transition of numerous subtropical cyclones into late season tropical storms and hurricanes during the 2000 and 2001 Atlantic tropical cyclone seasons. In all transitioning cases (10), the 900–200-hPa wind shear was initially near or in excess of the upper limit of vertical shear deemed suitable for tropical cyclogenesis. In many of these cases, the vertical shear decreased markedly near or prior to the time of tropical cyclone formation. In cases that did not become named tropical cyclones, either the tropospheric vertical shear remained in excess of 15–20 m s−1 or the underlying sea surface temperature (SST) dropped below about 26°C...
Subjects
free text keywords: Atmospheric Science, Geology, Atmospheric sciences, African easterly jet, Climatology, Cyclogenesis, Fujiwhara effect, Tropical cyclone rainfall forecasting, Tropical upper tropospheric trough, Subtropical cyclone, Cyclone, Tropical cyclogenesis
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