Last week, the daily feature denoted the 25th Anniversary of the IEM! Even though the project is only 25 years old, a number of datasets have been back filled to dates prior than 2001 based on upstream archive availability. One of those back filled datasets are NEXRAD Mosaics. The featured image is a postage stamp plot showing a snapshot of the mosaic product at 8 PM each 30 June since 1997. It is interesting to visually and quickly compare the years and how the RADAR presentation looked on each. One item to note is that the IEM archive for this product goes back to 1995, but upstream archive availability is somewhat spotty prior to 1997, so that is why 1997 was chosen as the first year for this visualization.

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