# File rbot/plugins/weather.rb, line 21
  def describe(m, where)
    if @metar_cache.has_key?(where) &&
       Time.now - @metar_cache[where].date > 3600
      met = @metar_cache[where]
    else
      met = Utils.get_metar(where)
    end
    
    if met
      m.reply met.pretty_print
      @metar_cache[where] = met
    else
      m.reply "couldn't find weather data for #{where}"
    end
  end