A wnaiff Llywodraeth Cymru ddatganiad am hadau cwmwl ac a yw'n ymwybodol o unrhyw weithgarwch o'r fath yng Nghymru?
Wedi'i ateb gan Y Gweinidog Newid Hinsawdd | Wedi'i ateb ar 20/09/2022
The Welsh Government is not aware of cloud seeding techniques ever having been employed in Wales.
Cloud seeding does not feature in any of our policies. Neither the Met Office nor, as far as we are aware, the UK Government, have this matter under active consideration.