Developing rain shafts often have a fuzzy, bulbous appearance as they descend. If a source of dry air is present and the air into which the rain is falling is sufficiently warm, then strong, and possibly damaging microbursts are possible.

. . . finally reaching ground within several minutes. The greatest threat of microbursts will be within 5 or 10 minutes either side of the precipitation "touchdown."

anatomy

Terms for using data resources. CD-ROM available. Credits and Acknowledgments for WW2010. Department of Atmospheric Sciences (DAS) at the University of Illinois at Urbana-Champaign.

extreme microburst