Andy Durbin wrote:
Pilots may know wind comes "from" but lots of others have to be
reminded of that fact.

And perhaps some should spend time reading what is said about the
BLIPMAP parameters on the website before bothering others. From

http://www.drjack.net/BLIPMAP/parameter_details.html

"Wind Direction in the Boundary Layer
The direction [using the meteorological convention, i.e. the
direction the wind is coming from] of the ..."