Re: WIND FLAGS ?
Yes. Tail weights can be adjusted for conditions. In really windy places, you might want a heavier tail so it isn't getting whipped around really hard. In softer conditions, a light tail will show more subtle changes in wind velocity. I have some 1 0z. tails and some 1/2 oz.
I can see the regular size flags just fine at 1k. Big ones would probably just take up more space in the gear box.
The daisy wheel is popular but I prefer to take my velocity readings from the tail instead. So mine are the weighted kind. It is a lead ball at the front of the flag and must be balanced before you hook them up. This is done by loosening the set screw, placing it on the tripod, and then balancing the weight out front so the tip of the tripod rides on the ball bearing inside the flag in a manner that is "free floating" and not binding on the collar of the flag.
Daisys get going so fast sometimes that your eyes just see a blur and your brain doesn't pay attention to it anymore.
Surveyor tape works in a pinch and I have used it for years but it really does not show you anything more than vague direction and vague speed. The problem is that it is too whippy and too inconsistent. And it can wrap itself around whatever you have it tied to and then it is flat out useless!
To answer your question, yes, you can see bright orange surveyor tape at ranges in excess of 1 mile with even average optics.
If it's not far, it's boring.