4.2.7 Impact of new snow
What are the most important impacts of the new snowfall on the snowpack? Select the correct answer(s), then click Done.
The correct is d.
Option A is incorrect because the wind speed is below the 5 m/s (10-kt) threshold for drifting. Option B is incorrect because depth hoar originates within the snowpack, not on top. Option C is incorrect because the new snow is relatively dry and lighter than the old snow (the SLR is 15:1 compared to ~10:1). Option D is correct because although the new snow is relatively light, it's deep enough that the additional weight will likely compact the old snow even further.