Constant Temperature PPI
Access model GRIB data to create any temperature, dewpoint or wetbulb temperature surface then plot radar echoes on this surface.
Radar echoes plotted on a -50°C iso-surface. 50 dBZ returns were occurring over the City of Winnipeg at this time along with 20 mm hail.
Radar echoes plotted on a -50°C iso-surface. 57 dBZ returns and 45 mm hail were occurring over the northeastern part of the City of Winnipeg at this time.