Smells in the Morning

Have I mentioned the mystery smell that we get in our neighborhood some mornings?

It is sort of a sickly sweet, rotten smell that comes in strong early in the morning, but not every morning. One night we were up the road in the Napa Valley (for those of you who are foreign, Vallejo is at the mouth of the Napa River, right next to Napa County) for dinner and returning to Vallejo around midnight, we were hit by the smell. Ah! It must be something to do with grapes! No, not in January it isn't rotten grapes.

The mystery continues. Locals don't know. Time for some investigation.