Wine of the Day, No. 137

From the winery's warmest vineyard (above Calistoga) and from a warm year, the Grgich Hills

Estate Zinfandel 2012, Napa Valley, tips the scale at 15.5 percent alcohol, a factor that accounts for the wine's sizeable presence on the palate without sending it into the over-ripe, cloying camp. The zinfandel grapes were fermented with two percent petite sirah…