Collection time: 1318-1322z.

Weather: T:-38.2C, RH: 67%, wind: 8kts at 125. Freezing fog and drifting snow.

Sky conditions: FEW000. 

Where collected: T-block placed directly on snow surface 15 m SW of MSF.

Description: Irregular particles.

Other comments: Slides 0003-00018 are from upwind side, 0021-0042 are from downwind side of t-block.

SWD