I think you need to ask this company about your situation and the doors as far as dust getting past them.

" We get high winds and dust storms. "

Lift and slides would be my recommendation as they will seal the best at the bottom. Whatever you go with you will eed top clean the tracks and rollers on the regular.

Your structural engineer should have the local wind rating on their calcs. Provide those to the suppler/manufacturer. They will have a spec for the required rating or not. Don't compromise or there is no warranty. FOr example the low foothills we build in are around 115 MPH at 1100 feet above sea level.

Glass Expanse has a Design Pressure rating if DP35, 106mph. Other Texas manufactures meet DP50 141mph sustained requirements. Texas Folding Doors and Don Young Company. Don Young has a seal system with a high rating for keeping out fine dust. More wind pressure compresses the high density mylar reinforced pile weatherstripping.