When I find myself in times of trouble, Father Hoskins comes to me, Speaking words of wisdom, PV___ And in my hour of darkness, Baroclinic instability, There will be an answer, PV___ PV, PV, PV, PV, There will be an answer, PV___ And when the broken contours tell us There's cascading enstrophy, There will be a closure, PV___ And when it's less than zero and it's Lost its ellipticity, You just can't invert it, PV___ PV, PV, PV, PV, You just can't invert it, PV___ And when the night is cloudy, There's a diabatic theta-E That modifies the parcel's PV___ Swirling round the isentropes, Around the world and back to me, But it integrates to zero, PV___ PV, PV, PV, PV, Yes it all adds up to nothing, PV___