Collection time: 1430UTC Weather: T:-41 C, RH: 67%, wind: 16 knots at 132 Sky conditions: OVC-SN Where collected: East porch of the MSF Description: downwind and upwind: rime pellets, small rime clumps, very small columns and needles, few very smalll prisms Other comments: Precip associated with sudden arrival of <1km cloud layer