actuarial prediction aerography aerology anemology apocalypse barometry climatography climatology foreboding forecast foreshowing foresight foretelling guesswork improbability long-range forecasting meteorology microclimatology nephology omen pneumatics prediction prefiguration prefigurement prefiguring presage presaging presentiment preshowing presignifying probability prognosis prognostication promise prophecy prophesying prospectus soothsay speculation statistical prediction vaticination weatherology