This is the 9552nd most frequent Spanish word.
aparejados
"Matched" or "paired."
In this sentence, 'aparejados' refers to the harnessing of horses, indicating they were prepared with the necessary equipment for travel.
Los caballos estaban perfectamente aparejados para el viaje.
The horses were perfectly harnessed for the journey.
Here, 'aparejados' is used metaphorically to indicate a connection or relation between the problems and the lack of planning.
Los problemas del proyecto están aparejados con la falta de planificación.
The problems of the project are coupled with the lack of planning.
In this instance, 'aparejados' suggests that the wind and rain were present together, showing an association or accompaniment.