Figure 9-22 is a map of the LI
and K-index produced by NOAA. The map below is similar except
for April 20, 2006. Use this map to discuss the projected thunderstorm
activity at this time.
Email me your answers at stevea@ssec.wisc.edu
by Friday, before 5 pm.

More maps are at the NOAA site http://weather.noaa.gov/fax/miscella.shtml
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