Signal flag on a wooden pole. Singal flag is red and white cut across the diagnol. The red section has three ties that attach the flag to the pole. ... Dimensions H x W x D: 24 × 17 1/2 × 1 in. (61 × ...

Weather signal flags grew out of the use of the maritime signal flag, which was red, with a black square inside. Starting in 1871, this flag was used at 20 ports on the Atlantic and Gulf Coasts, ...