Wildfire does not need to erase a whole appellation to change a vintage. La Revue du Vin de France reports that around Correns in the Var, roughly 10 hectares of vines were destroyed out of about 206. That is a small share of land and a large share of local pain for the families who farmed those rows.
Beyond the burned blocks, growers fear smoke taint on fruit that survived. Early estimates put around 20% of production at risk pending lab tests. Harvest decisions now include chemistry as well as Brix. You can pick healthy-looking grapes and still wait on a lab before you know if the wine will smell clean in the glass.
One unusual lesson: smoke can tax the cellar more than the ash taxes the map. Count burned hectares, then count the assays. A ready drink in a can never needed a smoke panel. A bottle from a fire-edge vintage does — and that cost sits inside every careful pour.
If you choose that wine, choose it for a night that respects the work, because the vintage already paid a hard cost. Fire can tax the vintage without erasing the map.