describe (WeatherPlugin)

    # 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