02_0563_CloudTypes.qxd
, or ragged Cu other than of bad weather, or both C L 1 Sc not formed by the spreading C L 5 out of Cu RK Pilsbury S Jebson CS Broomfield No Cu of moderate or great vertical extent. Use C L = 1, 5, 6 or 7, whichever predominates St, or ragged St other than of C bad weather, or both L 6 Ragged St