Originally Posted by
rjsquirrel
They add up quite nicely. It has been previously posted that the surface winds were 220 deg at 19 to 21 knots. (Bellmullet 220 at 19Kt, Mace Haed at 230 at 21kt), just about right to create the ground speed as calculated.
I wasn't referring specifically to the groundspeed issue or to the numbers in that poster's calculations.