| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| An increase in air temperature at higher altitudes is unusual & is called this | inversion | $500 | J | WEATHER | 1990-04-10 | #1302 | |
| This condition, a layer of warm air over a layer of cool, allows pollutants to build up over a city | temperature inversion (or thermal inversion) | $600 | DJ | WEATHER | 1989-06-12 | #1116 |