AHPS Precipitation Analysis
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Advanced Hydrologic Prediction Service


  
 
On October 16, 2007, the latitude and longitude specifying the position of each grid in the AHPS (Advanced Hydrologic Prediction Service) observed precipitation shapefiles will be shifted from the lower left corner to the center of each 4x4 km grid cell. This provides spatial referencing more commonly used in contemporary geospatial analysis... more

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 Grand Rapids, MI (GRR): Current 1-Day Observed Precipitation
 Valid at 2/9/2009 1200 UTC - Created 2/9/09 22:42 UTC
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