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Show SIGNAL SERVICE FLAOS. A Key to the Displays Using Buct Dp b) Uncle Ham's Weather Prophet. Tho weather signal Sags displayed over the board of trade building mean as follows: Nnmbor 1 White flag, six feet square, in-dicates in-dicates clear weather. Number 3 Blue flag, six feet square, indicates indi-cates rain or snow. Number 3 white and blue Hag (parallel bars of white and bluo), six foet square, indicates indi-cates that local rains or showers will occur, and that the rainfall will not be general. Number 4 Black triangular flag, four feet at the base and six feet in length, always refers re-fers to temperature, when placed above number 1, 2 or 3, Indicates warmer weather; when placed below num. bers t, 3, or 3, indicates co'der weather; when not displayed, the indications in-dications are that the temperature will re. main stationary, or that tho change in tern i perature will not vary more than four de-, de-, greus from the temperature of the same hour of the preceding day from March to October inclusive, and not more than six degrees for the remaining months of the year. Number 5, white flag, six fe;t square, with black square in ceuter, indicates the approach of a sudden aud decided fall in temperature. This signal is not to be displayed unless it la "itprcted that the temperature will fall to forty-two degree, or lower, aud is usually i ordered at least twenty-four hours In advance ad-vance of the cold wave. When number 5 is displayed, number 4 is always omitted. When displayed on poles, the signals should bo arranged to read downward; when displayed from horizontal supports a small streamer should be attached to indicate the point from whicli the signals are to be read. IN riKI'RK'f AHION or MSFLATS. No. 1, alone, indlcantes fair weather, stationary sta-tionary temperature. No. 3, alone, Indicatea rain or snow, sta-tioary sta-tioary temperature. No. 3, alone, indicates local rain, stationary station-ary temperature. No. 1, with No. 4 above it, indicates fair weather, warmer. No. 1, with No. 4 below it, indicates fair weather colder. No. 13, with No. 4 above It, indicatea warmer weather, rain or snow. No. 3, with No. 4 below it, Indicates colde' weather, rain or snow. No. 3, with No. 4 above indicates 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 wavo. No. 3, with No. 5 above it. Indicates wet weather, cold wavo. |