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A 30-Year Climatology of Hourly Precipitation Across the Western Carolinas

A 30-Year Climatology of Hourly Precipitation Across the Western Carolinas. Scott Krentz Charles Dalton. Overview. Test Hypothesis Previous 10-year Study Methodology Results Unexpected Observation Concluding Remarks. Previous 10-year Analysis. Only used KGSP data

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A 30-Year Climatology of Hourly Precipitation Across the Western Carolinas

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  1. A 30-Year Climatology of Hourly Precipitation Across the Western Carolinas Scott Krentz Charles Dalton

  2. Overview • Test Hypothesis Previous 10-year Study • Methodology • Results • Unexpected Observation • Concluding Remarks

  3. Previous 10-year Analysis • Only used KGSP data • Qualitatively compared to KAVL • Verified forecaster’s observations • Hypothesized temporal relationship between mountain and non-mountain precipitation

  4. Methodology • 30-year hourly datasets from NCDC • 3 ASOS sites – 6 FP sites • Data quality controlled (outliers < 0.1%) • Hourly precipitation and frequencies • Spreadsheets Charts

  5. Results

  6. Results

  7. Results

  8. Results

  9. Results

  10. Results

  11. Results

  12. Results

  13. Results

  14. Results

  15. Unexpected Observation

  16. Unexpected Observation

  17. Unexpected Observation

  18. Unexpected Observation

  19. Unexpected Observation

  20. Conclusions • Definite Warm-Season Frequency Shift • Climatological Basis for Forecasts and Seasonal Staffing • Additional Study Removing Tropical Precipitation • Potential for Study of July Mountain Precipitation Decrease

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