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Show SIGNAL SERVICL FLAGS. A Key to the Displays Heing Hune Up by Uncle Sam's Weather Prophet. The weather signal flags displayed over the board of trade building mean as follow Number 1 White flag, six feet squcre, ... dicates clear weather. Number 'i Blue flag, six feet square, im'.-cates im'.-cates rain or snow. Number li white and blue flag (para!: bars of white and blue), six feet square, ii cates that local rains or showers will occur, and that the rainfall will not be general. Number 4 Black triangular flag, four f. at the base and six feet in length, always re-ten re-ten to temperature ; when placed a'-number a'-number 1, 2 or 3, Indicates wanner weather; when placed below num-ber3 num-ber3 1. J, or 3, indicates colder weather; when not displayed, the indications in-dications are that the temperature will r -main stationary, or that the change in tern peratttre will not vary more than four degrees de-grees from the temperature of the same h Oi the preceding day from March to Octol r incl.isive, and not more than six degrees fur the remaining months of the year.- Number 5, white flag, six fe;t square, with black square in center, indicates the approach of a midden and decided fall in temperature. This signal Is not to be. displayed unless .; expected that the temperature will fall to forty two degrees, or lower, and is usu:. irdered at least twenty-four hours in ad-.ancc ad-.ancc of the cold wave. When number 5 i displayed, number 4 is always omitted, When displayed on poles, the signals should bo arranged to read downward ; win n displayed from horizontal supports a sin-. 1 streamer should hi' ultaehed to indicate : point from which the signals are to be read. INTEUrilLTAUION OF UlslU.AVs. No. I, alone, indicantes fair weather, stationary sta-tionary temperature. No. 2, alone, indicates rain or snow, s:.i- tioary temperature. No. 3, alone, indicates local rain, stati. -ary temperature. No. 1, with No. 4 above it, indicates fair weather, wanner. No. 1, with No. 4 below It, lndleatea fair weather older. Nu 3, with No. 4 above it, indicatee warmer weather, rain or MOW. No. with No. 4 below it, indicates colder weather, rain or snow. No. II, with No. 4 above it,iudicatcs warmer weather with local rains. No. 3. with No. 4 below it, Indicates colder with local rains. No. 1, with No. 5 above it. indicates fair weather, cold wave. No. 2, with No. g abovo it, indicates wet weather, cold wave. |