Micro-climates produced by urban heat make rain clouds dump their loads in inconvenient locations.

CNN: Special Report Drought

American vintners have cultivated pinot noir for a century, but only in the last decade have they discovered the best micro-climates for growing it: Oregon's Willamette Valley and a half-dozen California locations, including Carneros in southern Napa and Sonoma counties, and coastal regions near Santa Barbara.

FORBES: The sexiest red