While manual awnings may be a bit more resistant to wind I don't even remember how manual awnings I have seen wrapped up over the top of the RV in the past 5 years hosting at RV parks. What happens to the support arms isn't pretty either or damage to the RV side and roof.
Mine stays in all the time unless I'm actually under it or at least inside keeping an eye on it. I do like mine out in the afternoons where I'm hosting right now to keep the afternoon sun partially off of the side of my 5'er. Better a/c that way.
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50C, TST Systems 507 TPMS, RV Flex Armor Roof