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Show aiG SAL SERVICE FLAGS. A Key to the Displays Being Huot; 0 by Uncle Sam's Whether Prophet. The weather signal nag displayed over the board ol trade building me.au as follow.: Number 1 -White flag, six teet aqucre, iu-ilicales iu-ilicales clear weather. Numner 2-Bluc flag. i feet square, Indicates Indi-cates rain or snow. Number o white and bltM flag (rnr"u,' bars "f white and blue , six (eel s,,uare. indicates indi-cates that local rains or showers will occur, end thai the rainfall will not be general. Number 4- Black triangular Hag, four feet t the base and six feet in length, always re Jera to temperature; when placed above number 1, I or 3, indicates warmer weather; when placed below tnira Vers t, 2, or 3. indicate, colder weather; when not displayed, the in-dicationa in-dicationa are that the temperature will remain re-main stationary, or that the change in tern Mentor will not vary umre than four de-trees de-trees from th temperature ol the same hour of the preceding day from March to October tnelnsive. and not more than six degree., lol the remaining months of the year. Number 5, white flag, aix left square, wiin black square in center, indicates the approach of a sudden and decided fall in temperature. 1 hi signal is not to be displayed unless it is expected that the temperature will fall to forty two degree, or lower, and is usually ordered at least twentj '-four hours m advance ad-vance of the culd wave. When number 5 la displayed, number 4 is always omitted. When displayed on pole, the algnall i.t.n.,1,1 he arranged to reaxl downward, WDet displayed from borlrcintal aupporta a small -trcamcr should be attached to indicate the j point from which the signal are to be read. JNTIRPKKTARION OF DISPLAYS. No 1 alone, indh ante fair w.etther, U-"TXZCX U-"TXZCX "in or snow, a, a-MM. a-MM. eal rain, station. "NoTwUhTo. 4 above 11. indicate, fair Noh,',w'tah,,No.'4 below it, indicate, fair No J.wilh No. i above it.mdieate warmer rttthtr, rain or snow. So. 2, with No. 4 below it. indicatos colder .weather, rain or snow. NotT with So. 4 above ...Indicates warmer weatiler with local rain. .... ... No :i. with So. 4 below it, indicates colder wilh local rains. . . No. 1, with No. b above it. indicates fair weather, cold wavo. No 2, with No. 5 above it, indicates wet weather, coll wave. |