{"id":{"repo_id":"nps","oai_identifier":"oai:calhoun.nps.edu:10945/7415"},"canonical_url":"https://search.dev.ndltd.org/etd/nps/oai:calhoun.nps.edu:10945/7415","repository":{"repo_id":"nps","name":"Naval Postgraduate School","base_url":"https://calhoun.nps.edu/server/oai/request"},"display":{"title":"Formation and Development of Diabatic Rossby Vortices in a 10-Year Climatology","abstract":"A diabatic Rossby vortex (DRV) is a short-scale, diabatically dominated, moist baroclinic disturbance that forms and grows in the absence of discernible upper tropospheric forcing. The overarching goal of this work is to expand on the limited amount of DRV research by examining the general characteristics of real-world DRVs that have been identified in an automated 10-year DRV climatology. The identified 314 DRVs form preferentially over warm ocean currents. All DRVs track to the east northeast. While more DRVs form during the warm season, a larger fraction of storms that explosively deepen occur during the cold season. Composite analyses bear strong resemblance to DRV structural plots in the published literature, confirming that moisture, baroclinicity and the diabatic generation of eddy available potential energy are essential to DRV formation and development. Upon inspection of the interaction between DRVs and the dynamic tropopause (DT), nine (30%) of the 31 explosively deepened DRVs are subjectively determined (based on how the DRVs interacted with DT to bomb) to be of type A development (as defined by Petterssen and Smebye [1971], so-called bottom-up development). The remaining 22 (70%) are subjectively identified as type C development (mutual interaction of pre-existing upper and lower tropospheric disturbances, as defined by Deveson et al. [2002]).","abstract_html":"A diabatic Rossby vortex (DRV) is a short-scale, diabatically dominated, moist baroclinic disturbance that forms and grows in the absence of discernible upper tropospheric forcing. The overarching goal of this work is to expand on the limited amount of DRV research by examining the general characteristics of real-world DRVs that have been identified in an automated 10-year DRV climatology. The identified 314 DRVs form preferentially over warm ocean currents. All DRVs track to the east northeast. While more DRVs form during the warm season, a larger fraction of storms that explosively deepen occur during the cold season. Composite analyses bear strong resemblance to DRV structural plots in the published literature, confirming that moisture, baroclinicity and the diabatic generation of eddy available potential energy are essential to DRV formation and development. Upon inspection of the interaction between DRVs and the dynamic tropopause (DT), nine (30%) of the 31 explosively deepened DRVs are subjectively determined (based on how the DRVs interacted with DT to bomb) to be of type A development (as defined by Petterssen and Smebye [1971], so-called bottom-up development). The remaining 22 (70%) are subjectively identified as type C development (mutual interaction of pre-existing upper and lower tropospheric disturbances, as defined by Deveson et al. [2002]).","abstract_has_math":false,"creators":["Shih, Nengwei Tom"],"institution":"Monterey, CA; Naval Postgraduate School","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":"Meteorology (MR)","school":null,"contributors":[],"advisors":["Moore, Richard W."],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-06","date_published":"2012-06","updated_at":"2026-07-27T20:25:08Z","subjects":[],"languages":[],"rights":["This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/10945/7415","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Moore, Richard W."]},{"key":"dc:contributor.department","label":"Department","values":["Meteorology (MR)"]},{"key":"dc:creator","label":"Author","values":["Shih, Nengwei Tom"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2012-07-30T23:16:07Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2012-07-30T23:16:07Z"]},{"key":"dc:date.issued","label":"Date","values":["2012-06"]},{"key":"dc:publisher","label":"Institution","values":["Monterey, CA; Naval Postgraduate School"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/10945/7415"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["A diabatic Rossby vortex (DRV) is a short-scale, diabatically dominated, moist baroclinic disturbance that forms and grows in the absence of discernible upper tropospheric forcing. The overarching goal of this work is to expand on the limited amount of DRV research by examining the general characteristics of real-world DRVs that have been identified in an automated 10-year DRV climatology. The identified 314 DRVs form preferentially over warm ocean currents. All DRVs track to the east northeast. While more DRVs form during the warm season, a larger fraction of storms that explosively deepen occur during the cold season. Composite analyses bear strong resemblance to DRV structural plots in the published literature, confirming that moisture, baroclinicity and the diabatic generation of eddy available potential energy are essential to DRV formation and development. Upon inspection of the interaction between DRVs and the dynamic tropopause (DT), nine (30%) of the 31 explosively deepened DRVs are subjectively determined (based on how the DRVs interacted with DT to bomb) to be of type A development (as defined by Petterssen and Smebye [1971], so-called bottom-up development). The remaining 22 (70%) are subjectively identified as type C development (mutual interaction of pre-existing upper and lower tropospheric disturbances, as defined by Deveson et al. [2002])."]},{"key":"dc:title","label":"Title","values":["Formation and Development of Diabatic Rossby Vortices in a 10-Year Climatology"]}]}],"canonical_facts":{"dc:contributor.advisor":["Moore, Richard W."],"dc:contributor.department":["Meteorology (MR)"],"dc:creator":["Shih, Nengwei Tom"],"dc:date.accessioned":["2012-07-30T23:16:07Z"],"dc:date.available":["2012-07-30T23:16:07Z"],"dc:date.issued":["2012-06"],"dc:description.abstract":["A diabatic Rossby vortex (DRV) is a short-scale, diabatically dominated, moist baroclinic disturbance that forms and grows in the absence of discernible upper tropospheric forcing. The overarching goal of this work is to expand on the limited amount of DRV research by examining the general characteristics of real-world DRVs that have been identified in an automated 10-year DRV climatology. The identified 314 DRVs form preferentially over warm ocean currents. All DRVs track to the east northeast. While more DRVs form during the warm season, a larger fraction of storms that explosively deepen occur during the cold season. Composite analyses bear strong resemblance to DRV structural plots in the published literature, confirming that moisture, baroclinicity and the diabatic generation of eddy available potential energy are essential to DRV formation and development. Upon inspection of the interaction between DRVs and the dynamic tropopause (DT), nine (30%) of the 31 explosively deepened DRVs are subjectively determined (based on how the DRVs interacted with DT to bomb) to be of type A development (as defined by Petterssen and Smebye [1971], so-called bottom-up development). The remaining 22 (70%) are subjectively identified as type C development (mutual interaction of pre-existing upper and lower tropospheric disturbances, as defined by Deveson et al. [2002])."],"dc:identifier.uri":["https://hdl.handle.net/10945/7415"],"dc:publisher":["Monterey, CA; Naval Postgraduate School"],"dc:rights":["This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States."],"dc:title":["Formation and Development of Diabatic Rossby Vortices in a 10-Year Climatology"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T20:25:08Z"}