The featured map is a time summary of NEXRAD reflectivity for a period of 6 PM Tuesday evening till 7 AM this Wednesday morning. The plot is the total amount of time during that period that a 30+ dbZ radar reflectivity was observed in the base composite generated by the IEM. The speckles in the plot indicate areas of persistent ground clutter (where the radar sees objects on the ground instead of rain/snow). The darker reds coincide nicely with an area that picked up 3-7 inches of snowfall over night.

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Tags:   nexrad