…and if you are interested in the sound of static rather than the image, then the Polish word is: „szumi”. This can be approximated in English as: 'shoomy'. The 'sz' sound does sound like static.
The funny thing is that our 'sz' (in „szumi”) and 'ś' (in „śnieży”) usually sound exactly the same to English or French speakers, while for us they are quite distinct sounds.