4273. A red evening portends fine weather; but if it spreads too far upward from the horizon in the evening, and especially in the morning, it foretells wind or rain, or both.
4274. When the sky, in rainy weather, is tinged with sea-green, the rain will increase; if with deep blue, it will be showery.
4275. Clouds.—Against much rain, the clouds grow bigger, and increase very fast, especially before thunder.
4276. When the clouds are formed like fleeces, but dense in the middle and bright toward the edges, with the sky bright, they are signs of a frost, with hail, snow, or rain.