Keywords: March 29 1998 supercell.png en Radar image of the supercell thunderstorm on March 29 1998 http //www crh noaa gov/mpx/ n 1998mar29radar Dan Miller Science and Operations Officer at the National Weather Service Forecast Office in Duluth Minnesota 1998-03-29 PD-USGov 1998 Comfrey “ St Peter tornado outbreak Geography of Minnesota |