| Subject | English | Spanish |
| comp., MS | pre-event | anterior al evento (Occurring before a core system operation occurs) |
| comp., MS | pre-event | evento previo (A synchronous event whose handler runs completely before the action that raised the event starts) |
| meteorol. | pre-event modeling | modelado pre-evento |
| meteorol. | pre-event modeling | modelado antes de un evento |
| meteorol. | pre-event water | agua existente antes del evento de precipitación |
| meteorol. | pre-warm frontal events | eventos que se producen delante de frentes cálidos |