#Ian is reminding everyone that deep convection is a necessary, but not sufficient condition for tropical cyclogenesis & intensification
— Eric Webb (@webberweather) September 25, 2022
You can generate more than sufficient low-lvl cyclonic potential vorticity (+PV) & SLP falls from shallow congestus https://t.co/cU1QluMhKL pic.twitter.com/ECevwQLtnp