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1998, 2001-2007 and 2008-2012 Seasons

Reflectivity Calibration of Cazadero Precipitation Profiler (SPROF) Comparisons with KDAX, KMUX and CZC JWD. 1998, 2001-2007 and 2008-2012 Seasons. Approach. KDAX

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1998, 2001-2007 and 2008-2012 Seasons

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  1. Reflectivity Calibration of Cazadero Precipitation Profiler (SPROF)Comparisons with KDAX, KMUX and CZC JWD 1998, 2001-2007 and 2008-2012 Seasons

  2. Approach • KDAX • Extracted value of reflectivity over CZC from the 1.5o or 1.3o tilt of KDAX, depending on VCP in use (0.5o tilt is blocked by terrain). Sometimes the actual elevation angle of the beam over CZC differed from the fixed angle by 0.1o-0.2o. • Calculated Gaussian-weighted mean of SPROF reflectivity over the vertical extent of KDAX beam as defined by the actual elevation angle of the beam. (1.5o is ~3.5-5.7 km MSL and 1.3o is ~3.0-5.2 km MSL) • Paired observations closest in time to each other • KMUX • Same as KDAX, but using 0.5o beam (0.5o is ~3.5-6.8 km MSL) • JWD • Calculated reflectivity from dead-time-corrected JWD DSD averaged over 2 minutes. • Extracted SPROF gate 2 reflectivity and averaged over corresponding JWD 2-minute sampling period.

  3. Cases used for calibration (1) • 1997-1998 season (no disdrometer data) • 1/29/98 06-10 UTC • 2/14/98 03-11 UTC • 3/12/98 13-23 UTC • 2000-2001 season (no disdrometer, no KDAX data) • 1/23/01 16-22 UTC • 3/4/01 12-16 UTC • 2001-2002 season (no disdrometer, no KMUX data) • 1/1/02 04-05, 07-08, 13-15 UTC • 2/17/02 00-03 UTC • 3/10/02 02-08 UTC

  4. Cases used for calibration (2) • 2002-2003 season (no KMUX data) • 12/14/02 00-02 UTC (no disdrometer data) • 12/27/02 09-12 UTC (no disdrometer data) • 12/28/02 20-24 UTC (no disdrometer data) • 1/2/03 13-20 UTC (no disdrometer data) • 3/15/03 01-07 UTC (disdrometer data) • 2003-2004 season (SPROF saturated after ~12/28/03) • 12/13/03 00-06 UTC (disdrometer data but no sfcmet data) • 1/1/04 02-13 UTC (disdrometer data but SPROF saturated) • 2/25/04 04-12 UTC (disdrometer data but SPROF saturated)

  5. Cases used for calibration (3) • 2004-2005 season • 12/8/04 00-13 UTC (no disdrometer data) • 1/26/05 02-06 UTC (disdrometer data) • 2/21/05 00-09 UTC (disdrometer data) • 3/21-22/05 16-02 UTC (disdrometer data) • 2005-2006 season • 12/1-2/05 22-04 UTC (disdrometer data) • 12/31/05 00-12 UTC (disdrometer data) • 2/27-28/06 20-01 UTC (disdrometer data) • 3/5/06 10-20 UTC (disdrometer data) • 4/12/06 05-20 UTC (disdrometer data)

  6. Cases used for calibration (4) • 2006-2007 season • 12/21/06 15-21 UTC (no disdrometer data) • 2/8-9/07 18-02 UTC (disdrometer data) • 4/21-22/07 18-04 UTC (no disdrometer data) • 2007-2008 season (SPROF data needs to processed) • 2008-2009 season (RFI in SPROF data) • 12/21/08 13-18 UTC (disdrometer data) • 2/16/09 04-10 UTC (disdrometer data) • 5/2/09 14-18 UTC (disdrometer data) • 2009-2010 season (RFI in SPROF data) • 1/20/10 10-17 UTC (disdrometer data, malfunctioning?) • 4/4/10 15-22 UTC (no disdrometer data)

  7. Cases used for calibration (5) • 2010-2011 season (RFI in SPROF data) • 12/3/10 01-08 UTC (disdrometer data) • 3/6/11 01-10 UTC (disdrometer data) • 2011-2012 season (RFI in SPROF data) • 11/24/11 02-11 UTC (disdrometer data) • 2/7/12 07-13 UTC (disdrometer data) • 3/13/12 11-19 UTC (disdrometer data)

  8. 1997-1998 Season: 1/29/98 06-10 UTC

  9. 1997-1998 Season: 2/14/98 03-11 UTC

  10. 1997-1998 Season: 3/12/98 13-23 UTC

  11. 1997-1998 Season: Summary

  12. 2000-2001 Season: 1/23/01 16-22 UTC

  13. 2000-2001 Season: 1/23/01 16-22 UTC

  14. 2000-2001 Season: Summary

  15. 2001-2002 Season: 1/1/02 04-05, 07-08, 13-15 UTC

  16. 2001-2002 Season: 2/17/02 00-03 UTC

  17. 2001-2002 Season: 3/10/02 02-08 UTC

  18. 2001-2002 Season: Summary

  19. 2002-2003 Season: 12/14/02 00-02 UTC

  20. 2002-2003 Season: 12/27/02 09-12 UTC

  21. 2002-2003 Season: 12/28/02 20-24 UTC

  22. 2002-2003 Season: 1/2/03 13-20 UTC

  23. 2002-2003 Season: 3/15/03 01-07 UTC

  24. 2002-2003 Season: 3/15/03 01-07 UTC

  25. 2002-2003 Season: Summary

  26. 2003-2004 Season: 12/13/03 00-06 UTC

  27. 2003-2004 Season: 1/1/04 02-13 UTC

  28. 2003-2004 Season: 2/25/04 04-12 UTC

  29. 2003-2004 Season: Summary

  30. 2004-2005 Season: 12/8/04 00-13 UTC

  31. 2004-2005 Season: 1/26/05 02-06 UTC

  32. 2004-2005 Season: 1/26/05 02-06 UTC

  33. 2004-2005 Season: 2/21/05 00-09 UTC

  34. 2004-2005 Season: 2/21/05 00-09 UTC

  35. 2004-2005 Season: 3/21-22/05 16-02 UTC

  36. 2004-2005 Season: 3/21-22/05 16-02 UTC

  37. 2004-2005 Season: Summary

  38. 2005-2006 Season: 12/1-2/05 22-04 UTC

  39. 2005-2006 Season: 12/1-2/05 22-04 UTC

  40. 2005-2006 Season: 12/31/05 00-12 UTC

  41. 2005-2006 Season: 12/31/05 00-12 UTC

  42. 2005-2006 Season: 2/27-28/06 20-01 UTC

  43. 2005-2006 Season: 2/27-28/06 20-01 UTC

  44. 2005-2006 Season: 3/5/06 10-20 UTC

  45. 2005-2006 Season: 3/5/06 10-20 UTC

  46. 2005-2006 Season: 4/12/06 05-20 UTC

  47. 2005-2006 Season: 4/12/06 05-20 UTC

  48. 2005-2006 Season: Summary

  49. 2006-2007 Season: 12/21/06 15-21 UTC

  50. 2006-2007 Season: 2/8-9/07 18-02 UTC

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