The national weather service forecast thunderstorms to develop in the afternoon of june 20, 2014 for the u of i campus, but they did not anticipate these storms to be severe. why?

a. a cold front was forecast to pass over campus in the afternoon.
b. the dewpoint temperature on campus was 71 degree f.
c. the lifted index was -4 and the cape values were approximately 1400 j/kg
d. the surface winds were 10 mph from the south and the winds in the mid-levels of the troposphere were 15 mph from the southeast.