Longer Duration QPF Verification 12 Dec, 2006 – 29 Aug, 2007 (less Feb/Mar)

SPC 4km run serving as proxy for Para HRW because Opnl Central CONUS run is a 12Z run while the SPC run is a 00Z run and they didn’t cover exactly the same domain - so:
- Each was independently verified against the NAM (these individual comparisons to the NAM are clean)
- The ratio of (ops HRW / NAM) is applied to get a relative score for the ops HRW against the NAM verifying the SPC run. Not perfect, but it levels the playing field.

SPC 4km run serving as proxy for Para HRW because Opnl Central CONUS run is a 12Z run while the SPC run is a 00Z run and they didn’t cover exactly the same domain - so: