Mesoscale Convective Precipitation Identification in GPM Data

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Explore the identification of mesoscale convective precipitation utilizing GPM data as discussed in the Bob Houze PMM Science Team meeting in San Diego. Learn about the impact of classification on LH product, object echo characteristics, comparison of different versions, modification to algorithms, and probability maps. Discover insights into v04 versus v05 data and dependencies for enhanced understanding.

  • Mesoscale Convective Precipitation
  • GPM Data
  • LH Product
  • Algorithm Modification
  • Probability Maps
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  1. Identification of Mesoscale Convective Precipitation in GPM Data Bob Houze PMM Science Team Meeting San Diego, CA October 18,2017

  2. Impact of C/S classification on LH Product

  3. Object Echo Characteristic Height Area Isolated Shallow Echoes > min detectable < 4 km 2 pixels Deep Convective Cores > 40 dBZ (strong) > 10 km N/A > 1000 km2 at some altitude Wide Convective Cores > 40 dBZ (strong) > 50,000 km2 (strong) Broad Stratiform Regions Contiguous stratiform

  4. Comparison of v04 vs v05 c/s output

  5. Problem case

  6. Problem case

  7. Problem case

  8. UW Modification to C/S Algorithm

  9. UW Mod to Problem case

  10. Comparison of v05 Counts NASA/UW/UW2 (strong thresholds)

  11. Comparison of v05 Counts NASA/UW/UW2 (mod thresholds)

  12. Probability Maps v05 NASA vs UW (dcc,wcc,dwc,bs) See files in ~brodzik/

  13. Compare v04, v05, v05UW Prob Maps WILL PUT THESE TOGETHER TOMORROW

  14. Dependencies (need new word) Latitude Longitude Month/Season WILL PUT THIS TOGETHER TOMORROW

  15. Conclusions

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