The hurricane of 1938
He regales, in great detail. Of trees, unable to withstand the wind. He knows just how high the water rose, for there is a map in the dining room which has not been moved since before the storm. At chest height, it shows the yellowed stains of time. Below, the paper is white, though pockmarked with mildew. Paper, in the old days, was made of mechanical pulp which retained quantities of lignin. Exposure to air and light destabilizes lignin to create chromophores which turn the paper yellow as they increase in number. Salt deposits halt this chemistry and allow for the evidence which he points to, with pride.