单词 | helm-wind |
释义 | > as lemmashelm-wind helm-wind n. (see sense 8).extracted from helmn.1helm-wind 8. English regional (Cumberland and Westmorland). (Also helm-cloud.) The local name of a cloud which forms over a mountain top before or during a storm; esp. that which accompanies the helm-wind (also occasionally called the helm), a violent wind which in certain circumstances rushes down the escarpment of the Pennines near Cross Fell, when a helm-cloud lies over the summit. helm bar, a roll of cloud suspended in the air to the leeward of the helm-cloud. ΘΚΠ the world > the earth > weather and the atmosphere > weather > wind > [noun] > specific wind in Pennines helm-wind1777 the world > the earth > weather and the atmosphere > weather > cloud > [noun] > a cloud > cloud on mountain (Cumbria) helm-cloud1777 the world > the earth > weather and the atmosphere > weather > cloud > [noun] > a cloud > cloud on mountain (Cumbria) > roll of cloud to leeward of helm bar1777 1777 J. Nicolson & R. Burn Hist. Westmorland & Cumberland I. 7 It is called a Helm-wind. 1777 J. Nicolson & R. Burn Hist. Westmorland & Cumberland I. 7 A rolling cloud..hovers over the mountain tops..When this cloud appears, the country people say the helm is up..This helm..continues in its station, although a violent roaring hurricane comes tumbling down the mountain. 1787 J. Clarke Surv. Lakes Cumberland Introd. p.xl A black streak of cloud..continually fed from the white one, which is the real Helm: this is called the Helm-bar, from its being supposed to bar or obstruct the winds that burst forth upon the vallies beneath as soon as it wholly vanishes. 1787 J. Clarke Surv. Lakes Cumberland Introd. p.xl Such is the Helm-Wind generated in that enormous cloud, which, like a helmet, covers the summit of Cross-fell. 1801 S. T. Coleridge Poems II. 159 Ancient Skiddaw..Thus spake from out his helm of cloud. 1885 Nature 23/1 Whenever the helm-wind was blowing, there was an easterly wind. 1886 Jrnl. Royal Meteorol. Soc. 2 On certain occasions, when the wind is from some Easterly point, the Helm suddenly forms..Small portions of thin vaporous clouds are seen travelling from the Helm Cloud to the Bar. 1888 Encycl. Brit. XXIV. 515/2 Here for weeks at a time prevails a kind of cyclone, revolving on a horizontal axis parallel to the escarpment,—the ‘helm-wind’. 1888–9 J. G. Goodchild in Trans. Cumberland & Westmorland Antiquarian & Archæol. Soc. XIV. 44 The Helm Wind descends with greatest force in the neighbourhood of the highest elevation of the Escarpment, being strongest along a zone extending a few miles on each side of Cross Fell, and gradually diminishing in force in proportion to the distance on either side. < as lemmas |
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