[ soo-per-sel ]
/ ˈsu pərˌsɛl /
a highly organized thunderstorm that can last for several hours, capable of producing both updrafts and downdrafts exceeding 100 miles per hour, large hailstones, tornadoes, and flash flooding (often used attributively): a supercell in Kansas City; supercell storms.
Origin of supercell
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019