2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/116977Upon using the hydrodynamic analog we can derive some families of stationary Beltrami field-like solutions from the free Maxwell equations in vacuum. These stationary electromagnetic fields are helical and/or column-like once they are represented in a suitable frame of reference. Possible dendritic and jelly-fish-like patterns of sprites are demonstrated.2005 Feb. works; 5 figuresGeneral Physicstext