🇺🇸 Chattanooga vs 🇺🇸 San Francisco

Chattanooga in the Tennessee River gorge is one of America's most dramatically positioned cities, surrounded by Lookout Mountain and Signal Mountain. The valley-and-ridge topography creates dramatic fog, temperature inversions, and storm channeling. The city was historically notorious for air pollution but has transformed into an outdoor recreation destination.

San Francisco's climate is shaped by its position on a peninsula surrounded by the Pacific Ocean and San Francisco Bay. The coastal fog (Karl the Fog) rolls in through the Golden Gate each summer afternoon, keeping temperatures mild year-round. The city has dramatically different microclimates — the Sunset District fog-bound while the Mission basks in sun on the same day.