“The weather folk proverb about bees going into a hive before a storm is true. Thanks to Cindy McCafferty for writing in to back this one up: When the bees crowd into their hive again, it is a sign of thunder and of rain.” “When the bees crowd out of their hive, the weather makes it good to be alive. See this page for more on mackerel skies. “Mackerel sky, mackerel sky, never long wet, never long dry.” Alternatively, until the May (hawthorn) blossom is out. More precaution than prediction, this expression means do not take your warm clothes off until the end of May. If the clear skies remain then of course there will be no rain, but if a weather system moves in during the day then a change in the weather can follow. the grass, has cooled and this tends to happen under clear skies at night when the heat radiates from the ground. “Dew on the grass, no rain will come to pass.” Scattered cumulus clouds that appear like fluffy sheep are a sign of settled weather. “If woolly fleeces bestow the heavenly way, be sure no rain will come today.”
As a general rule of thumb, the more vertical clouds appear the more unsettled the air is and consequently the less calm the weather will be.Ī vast cumulonimbus cloud – very bad weather is imminent “When clouds appear like rocks and towers, the Earth’s refreshed with frequent showers.” “If in the sky you see cliffs and towers, it won’t be long before there is a shower.” Most rain in the UK is part of a frontal system that will typically blow through in 3-4 hours. This can lead to squalls and other sudden weather changes. This is often a result of the agitated effect of the land warming, but the sea remaining cold at this time of year. This Scandinavian expression stems from the turbulent, often very fresh, weather that occurs in spring. “As the day grows longer, the cold grows stronger.” Seaweed does absorb atmospheric humidity and the air does become humid before it rains, but it will also become humid in fine weather sometimes, for example if dew is forming. “A piece of seaweed hung up will become damp before it rains.” Cirrus can be the first cloud to appear ahead of a front. The halo around a bright object is caused by refraction of the light through the ice crystals of high cirrus clouds. “If there is a halo round the sun or moon, then we can all expect rain quite soon.” Cold fronts bring bad, squally and sometimes violent weather, but pass through quickly. The mackerel scales are cirrocumulus clouds that are being influenced by shifting wind directions and high speeds and are typical of an advancing low pressure system. Cirrus clouds can signal an approaching front. The mare’s tails are caused by high cirrus clouds that have been shaped by the upper winds. “Mare’s tails and mackerel scales make tall ships carry low sails.”
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