The following sections provide training in updraft/downdraft analysis, effects of wind shear on thunderstorm development, dangers of various outflow phenomena generated by thunderstorms and how to spot wall clouds.

Components Updrafts / Downdrafts
Updraft and downdraft intensification and determining updraft strength using the Lemon Technique (LT).

Wind Shear
Wind shear and its impact on thunderstorm development.

Outflow Phenomena
Outflow phenomena including: microbursts, macrobursts, gust fronts and virga.

Wall Clouds
Characteristics of wall clouds and common scenarios in which they occur.

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.