<Li> São Paulo, Brazil </Li> <Li> Tehran, Iran </Li> <P> but also in smaller cities such as: </P> <Ul> <Li> Albany, Oregon, United States (Willamette Valley) </Li> <Li> Albuquerque, United States </Li> <Li> Almaty, Kazakhstan </Li> <Li> Ashland, Oregon, United States (Rogue Valley) </Li> <Li> Beaverton, Oregon, United States (Willamette Valley) </Li> <Li> Belgrade, Serbia </Li> <Li> Bergen, Norway </Li> <Li> Berkeley, California, United States </Li> <Li> Birmingham, Alabama, United States </Li> <Li> Blenheim, New Zealand </Li> <Li> Boise, Idaho, United States </Li> <Li> Bratislava, Slovakia </Li> <Li> Brisbane, Australia </Li> <Li> Budapest, Hungary </Li> <Li> Chamonix, France (Vallée de l'Arve) </Li> <Li> Chiang Mai, Thailand </Li> <Li> Christchurch, New Zealand </Li> <Li> Córdoba, Argentina </Li> <Li> Corvallis, Oregon, United States (Willamette Valley) </Li> <Li> Decatur, Alabama, United States (Tennessee River Valley) </Li> <Li> Denver, United States </Li> <Li> Donora, Pennsylvania </Li> <Li> Dunedin, New Zealand </Li> <Li> Eugene, Oregon, United States (Willamette Valley) </Li> <Li> Fairbanks, Alaska, United States </Li> <Li> Grants Pass, Oregon, United States (Rogue Valley) </Li> <Li> Hillsboro, Oregon, United States (Willamette Valley) </Li> <Li> Hoover, Alabama, United States </Li> <Li> Huntsville, Alabama, United States (Tennessee River Valley) </Li> <Li> Keizer, Oregon, United States (Willamette Valley) </Li> <Li> Launceston, Tasmania, Australia </Li> <Li> Ljubljana, Slovenia </Li> <Li> Logan, Utah, United States (Cache Valley) </Li> <Li> Maggie Valley, North Carolina, United States </Li> <Li> McMinnville, Oregon, United States (Willamette Valley) </Li> <Li> Medford, Oregon, United States (Rogue Valley) </Li> <Li> Meridian, Idaho, United States </Li> <Li> Oslo, Norway </Li> <Li> Phoenix, United States </Li> <Li> Portland, Oregon, United States (Willamette Valley) </Li> <Li> Prague, Czech Republic </Li> <Li> Preston, Idaho, United States (Cache Valley) </Li> <Li> Provo, Utah, United States </Li> <Li> Rapid City, United States </Li> <Li> Roseburg, Oregon, United States Umpqua River Valley </Li> <Li> Salem, Oregon, United States (Willamette Valley) </Li> <Li> Salt Lake City, Utah, United States (Salt Lake Valley) </Li> <Li> Sarajevo, Bosnia and Herzegovina </Li> <Li> Seattle, United States </Li> <Li> Skopje, Republic of Macedonia </Li> <Li> Sofia, Bulgaria </Li> <Li> Springfield, Oregon (Willamette Valley) </Li> <Li> Sydney, Australia </Li> <Li> Tabriz, Iran </Li> <Li> Vancouver, Canada </Li> <Li> Venice, Italy </Li> <Li> Vienna, Austria </Li> <Li> Wilsonville, Oregon, United States (Willamette Valley) </Li> <Li> Woodburn, Oregon, United States (Willamette Valley) </Li> </Ul>

Why is the air mass in a temperature inversion so stable