Bezerra JF dos S. Analysis of the development and performanceof the upper tropospheric cyclonic vorticesin January 2016 in Agreste, Pernambuco. REGNE [Internet]. 2016 Oct. 27 [cited 2026 Oct. 5];2:491-9. Available from: https://periodicos.ufrn.br/revistadoregne/article/view/10493