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.

Air Mass Thunderstorm

A thunderstorm not associated with a front. Air mass thunderstorms typically are associated with warm, humid air in the summer months; they develop during the afternoon in response to afternoon heating by the sun, and dissipate rather quickly after sunset.

More Glossary Terms:

• Absolute Humidity
• Acid Rain
• Advection
• Advection Fog
• Air Mass

• Air Pressure
• Almanac
• Altitude
• Altocumulus
• Anemometer