Maddox et al. MCC papers revolutionized summer forecasting of precipitation. The paper noted the ingredients a forecaster should look for when anticipating an MCC that might produce a flash flood.
MOST ARE ASSOCIATED WITH MCCs OR MCSs AND OCCUR AT NIGHT
ABNORMALLY MOIST, PWS USUALLY ARE 1.40” OR HIGHER AND AVERAGE ABOUT 1.62”.
VERTICAL SHEAR IS WEAK TO MODERATE ALLOWING SLOW MOVEMENT
MANY OCCUR NEAR THE 500 MB RIDGE POSITION
OCCUR AT THE NOSE OF THE LOW LEVEL WIND MAXIMUM