Remember one morning somewhere where the hot blast got under a piece of thin ice the size of a tennis court and sent it whirling away. Would probably have cut you in half if it caught you end-on, but IIRC, no harm to man, beast or Meteors !
Roland Pulfrew,
"Dishforth, Topcliffe, Finningley, etc), the A1 and the major rail tracks. All the runways were clear thanks to the efforts of MRDs and snow clearing teams".
(Plus about £800's worth of Urea per application !)
D.