@idefix37 I agree with all you said, including that I can cross-check the wind barbs. But why do you suppose the sounding forecast is showing me the wrong wind barbs, and why only sometimes? I will try to see under what circumstances this happens, but haven't noticed a pattern yet.

I've found that the cursor text indication of wind speed sometimes doesn't agree with the wind barbs along the right side axis (as in the example above - "19 mph" while the wind barb indicates 50+ kts). or are the units of the wind barbs something other than the usual knots or the units set under Settings (mph, in the case of the example above).