1. Atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
   - jet, blue jet

Type of: atmospheric electricity

• Yom Kippur
• Yom Kippur War
• yon
• yond
• yonder
• yoni
• yonks
• yoo-hoo
• yoof
• yore
• York
• yorker
• Yorkshire
• Yorkshire and the Humber
• Yorkshire fog
• Yorkshire pudding
• Yorkshire terrier
• Yorkshireman
• Yorkshirewoman
• Yorktown
• Yoruba
• Yosemite
• Yosemite Falls
• Yosemite National Park
• Yosemite toad