• pcpRTMA: replace first run Stage II/IV with radar-only MRMS as source
• pcpURMA
  • Add NOHRSC snowfall analysis
  • blending for a smoother offshore filling with MRMS and CMORPH
• PCPANLv4.0.0 (PCPANL is upstream of pcpRTMA/pcpURMA)
  • Retire Stage II analysis
  • Stage IV output changed from GRIB1 to GRIB2

Details about the changes (Google Slides)

EMC Model Evaluation Group's Official RTMA/URMA v2.8 Official Evaluation Site