Dear Terry Pratchett, Ian Stewart, & Jack Cohen,
I'm reading your "The Science of Discworld" again. Looking out of the window I am redolent of Chapter TWENTY-THREE "No Possibility of Life".
" 'Can we make weather, then?' said the Dean.
'I think Hex can let us do that', said Ponder. 'Weather is only pushing stuff around.'
'So we can aim lightning at anyone we don't like?' "
Sir Terry, have your Wizards been meddling with the weather again?