Do you know the difference between a hurricane and a typhoon? Find definitions for weather terms from absolute humidity to zonal flow and everything in between in the WeatherBug weather glossary.

Upslope Flow

Air that flows toward higher terrain, and hence is forced to rise. The added lift often results in widespread low cloudiness and stratiform precipitation if the air is stable, or an increased chance of thunderstorm development if the air is unstable.

More Glossary Terms:

• Troposphere
• Trough
• Typhoon
• Updraft
• Upper Level System

• Upstream
• Utility
• Variable
• Variance
• Veering Winds