An elongated cloud band, visually similar to a roll cloud, usually appearing in the morning hours, when the atmosphere is relatively stable Morning glories result from perturbations related to gravitational waves in a stable boundary layer They are similar to ripples on a water surface; several parallel morning glories often can be seen propagating in the same direction
An elongated cloud band, visually similar to a roll cloud, and usually appearing in the morning hours when the atmosphere is relatively stable Morning glories result from perturbations related to gravitational waves in a stable boundary layer
Any of numerous, usually twining vines of the related genera Argyreia, Calystegia, Convolvulus, Merremia, and Ipomoea, having funnel-shaped, variously colored flowers that close late in the day. a plant that has white, blue, or pink flowers that open in the morning and close in late afternoon