Seistann.
/ˈsiːstɑːn/ A strong north-westerly wind prevalent in this region in the summer months. Also attributive, as Seistan wind.
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Seistan1906
1906 Geogr. Jrnl. 28 224 The extraordinary frequency and violence of the Seistan wind, and the regularity with which it blows from the same quarter, are very remarkable.
1940 Chambers's Techn. Dict. 754/1 Seistan, the 120-day summer north wind in E. Persia.
1959 R. E. Huschke Gloss. Meteorol. 503 The seistan is associated..with the deep summer-time low over northwest India.
1967 R. W. Fairbridge Encycl. Atmospheric Sci. & Astrogeol. 1155/2 The ‘seistan’ or ‘Wind of 120 days’ is the characteristic wind of Seistan in eastern Iran, which blows from late May till the end of September, from north-northwest, sometimes with velocities from 70–120 mph.
This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020).
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