Collection time: 1220-1235z Weather: T:-28.0C, wind: 16kts at 204. Sky conditions: OVC010, SN, FZFG, DRSN. Where collected: 3 m N of the MSF. 791 to 821 from upwind side, 824 to 871 from downwind side. Description: Hexagonal and trigonal plates, needles, columns and bullets. HG