NASA SPoRT Project
Incorporating NASA spaceborne precipitation research products into National Mosaic QPE operational system for improved short-term weather prediction at Colorado Basin River Forecast Center
Background | Objective | Method | Case Study | Demo System | Publications

I. Limitations of NEXRAD

II. Effect on Precipitation Estimation

The limited observations of low-level atmosphere may degrade teh radar-based Quantitative Precipitation Estimation (QPE).

  • Underestimation: overshooting the bright band

  • Overestimation: contaminated by bright band.  


Overshooting and BB contamination for radar beams              radar-based QPE (one-hour rain accumulation)


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