<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.derechos hufanyika hasa amerika ya kati na mashariki, ambapo maeneo mengi huathiriwa mara moja hadi mbili kwa mwaka kwa wastani.  <response>: derechos occur mainly across the central and eastern us, where many locations are affected one to two times per year on average. 