I've a VW T25 campervan, so the opposite end of the scale to yours, and apart from dropping the 'pop top ' down in high winds it's never going to blow away. It's 2 tonne of van!
We bought our first van when we retired.
We did a couple of "training" outings in UK, then, set off for Spain (in January), from Newcastle-upon-Tyne, via Dover-Calais ferry.
With my usual lack of planning and organisation, I had not researched which (if any) sites may be open en-route, and, at that time, we had no knowledge of the French Aires system or the Spanish equivalent.
We made it to Biarritz by lunch time on day 3, without incident. But, as we crossed the Pyrenees, we could not find anywhere to stop for the night. Eventually, we came to Zaragosa, and found a likely spot to park. Overnight, it was very stormy, and the van rocked violently in the wind, plus, there was a lot of other noise.
I can sleep anywhere, through anything, so, was unaware of this. Mrs
@BoldonLad, did not sleep a wink, so, she informed me several times over the next day.
When we (well I) woke up, next morning, we were surrounded by HGV's, we had, it would appear parked in an HGV overnight area.
Since that first trip, we have had fifteen years similar "ad-hoc" trips to mainland Europe, east as far a Hungary, north as far as Sweden, and, south to the Mediterranean. My lack of planning has meant some miss-haps, but, they have given us a laugh (afterwards, admittedly).