I have just made a minor discovery that strong wind gusts of short duration may not be recorded.
The above two graphs (DAVIS and OREGON) show a very strong single gust which occurred yesterday afternoon at 16:52. I do not know the actual peak value or duration but I would guess that it is over 20 m/s for a few hundred milliseconds, judging from damage to foliage. However it is very obvious that it was of very short duration.
The 3rd graph shows the same phenomenon, as recorded by my SKY/AIR/HUB combination, indicating that the gust was a tad over 3.0 m/s (NOT M/S on the graph). It is obvious that the system is unable to follow transient phenomena.