To help us decide where we should concentrate our efforts in emergency planning terms, it is important that we continue to assess the potential risks to our County.
Er mwyn ein helpu ni i benderfynu ble ddylem ni ganolbwyntio'n hymdrechion o ran cynlluniau argyfwng, mae'n bwysig ein bod ni'n parhau i asesu'r risgiau posibl i'n Sir.