3 adjectives to describe snowdrifts

But now and then, when the soft warm breeze swayed the leafy screen of green and gold and crimson, there were tantalizing glimpses of the folded table-cloths covering the baskets, like much belated or very early snowdrifts.

They may see its graceful curve, the long straight lines that are ruled in delicate shading down its sides, and the contrast of the blinding white snow with the dark blue sky above; but they will probably guess it to be a mere banka snowdrift, perhaps, which has been piled by the last storm.

Started on crampons; one hour after, hoisted sail; the combined efforts produced only slow speed, partly due to the sandy snowdrifts similar to those on summit, partly to our torn sledge runners.

3 adjectives to describe  snowdrifts