| dd | True direction, in tens of degrees, from which wind is blowing (or will blow) |
| dd | Forecast true direction, in tens of degrees, from which wind will blow at the relevant grid point |
| dd | True direction, in tens of degrees, from which wind is blowing, derived from movement of cloud elements |
| dhdh | True direction, in tens of degrees, from which wind will blow at the height indicated by hxhxhx |
| djdj | True direction, in tens of degrees, from which jet-stream wind is blowing (or will blow) |
| dmdm | True direction, in tens of degrees, from which maximum wind will blow at the flight level given by nmnmnm |
| dmdm | True direction, in tens of degrees, from which maximum wind will blow at the height given by h'mh'm |
| dsds | True direction, in tens of degrees, towards which the system or front is moving |
| dsds | True direction, in tens of degrees, towards which the tropical cyclone or system is moving |
| dwdw | True direction, in tens of degrees, from which waves are coming |
| dw1dw1 dw2dw2 |
True direction, in tens of degrees, from which swell waves are coming |
| d0d0 | True direction, in tens of degrees, towards which sea-surface current is moving |
| d0d0 d1d1 ... dndn |
True direction, in tens of degrees, towards which sea current at selected and/or significant depths starting with the sea surface is moving |
| d1d1 d2d2 ... dndn |
True direction, in tens of degrees, from which wind is blowing at the specified levels |
| Code figure | |
|---|---|
| 00 | Calm (no motion for dsds, or no waves) |
| 01 | 5° - 14° |
| 02 | 15° - 24° |
| 03 | 25° - 34° |
| 04 | 35° - 44° |
| 05 | 45° - 54° |
| 06 | 55° - 64° |
| 07 | 65° - 74° |
| 08 | 75° - 84° |
| 09 | 85° - 94° |
| 10 | 95° - 104° |
| 11 | 105° - 114° |
| 12 | 115° - 124° |
| 13 | 125° - 134° |
| 14 | 135° - 144° |
| 15 | 145° - 154° |
| 16 | 155° - 164° |
| 17 | 165° - 174° |
| 18 | 175° - 184° |
| 19 | 185° - 194° |
| 20 | 195° - 204° |
| 21 | 205° - 214° |
| 22 | 215° - 224° |
| 23 | 225° - 234° |
| 24 | 235° - 244° |
| 25 | 245° - 254° |
| 26 | 255° - 264° |
| 27 | 265° - 274° |
| 28 | 275° - 284° |
| 29 | 285° - 294° |
| 30 | 295° - 304° |
| 31 | 305° - 314° |
| 32 | 315° - 324° |
| 33 | 325° - 334° |
| 34 | 335° - 344° |
| 35 | 345° - 354° |
| 36 | 355° - 4° |
| 99 | Variable, or all directions, or unknown (for dsds), or waves confused, direction indeterminate |