Training: Appendix A Weather Codes Beaufort Wind Codes Wind Speed in mph/Kph 0 Smoke rises vertically < 1 / < 2 1 Wind direction shown by smoke drift 1-3 / 2-5 2 Wind felt on face; leaves rustle 4-7 / 6-12 3 Leaves, small twigs in constant motion; light flag extended 8-12 / 13-19 4 Raises dust and loose paper; small branches are moved 13-18 / 20-29 5 Small trees in leaf sway; crested wavelets on inland waters 19-24 / 30-38   Sky Codes 0 Clear or a few Clouds 1 Partly cloudy (scattered) or variable sky 2 Cloudy (broken) or overcast 4 Fog or smoke 5 Drizzle or light rain 7 Snow 8 Showers Training Main Menu U.S. Department of the Interior | U.S. Geological Survey Patuxent Wildlife Research Center Laurel, MD, USA 20708-4038 http://www.pwrc.usgs.gov/bbs Operations Contact: Keith Pardieck, email: Keith_Pardieck@usgs.gov Analyses Contact: John Sauer, email: John_Sauer@usgs.gov Last Modified: 10/31/01 USGS Privacy Statement