On tranquil summer days, as golden sun kisses the valleys and hills of vineyards in Sonoma, unique air currents bring cooling breezes inland from the Pacific Ocean and San Pablo Bay. Wafting softly, with some gusts and gales, they glide through the vineyard rows. As they encounter steeper slopes and drift upward, they become anabatic winds. Soaring glider pilots rely on them for flight. We treasure them for the coolness they impart on their journey — a gift of nature that makes the vineyard...