from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To overtake.
- v. To catch too many; to overfish.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To overtake.
from The Century Dictionary and Cyclopedia
- To catch up with; overtake; reach.
- To outwit; deceive.
From over- + catch. (Wiktionary)
Depending on the partitioning between falling snow (precipitation) and wind-blown snow from the surface, the error can range from a significant "undercatch" to a significant "overcatch".