2023/06/19 DM03-23.03 NWS Will Cease Dissemination of WSR-88D Legacy Precipitation Processing System /PPS/ Products NOXX10 KWBC 091759 DM03-23.03 NOUS41/KWBC/072200 PNSWSH Service Change Notice 23-09 National Weather Service Headquarters Silver Spring MD 500 PM EST Tue Feb 7 2023 To: Subscribers -NOAA Weather Wire Service -Emergency Managers Weather Information Network -NOAAPort Other NWS Partners...Users and Employees From: Terrance J. Clark Director...WSR-88D Radar Operations Center Subject: NWS Will Cease Dissemination of WSR-88D Legacy Precipitation Processing System /PPS/ Products on or about June 19...2023 The NWS will cease dissemination of the radar products listed in Table 1 on or about June 19...2023 via the Radar Product Central Collection Dissemination Service /RPCCDS/ and the Satellite Broadcast Network /SBN//NOAAPort. Table 2 provides the Dual Polarization QPE products presently available that are verified and validated replacements for the Legacy PPS products. Table 1: World Meteorological Organization /WMO/ Headings of the Terminated Radar Products TTUSII CCCC NNNXXX Product Description ------ ---- ------ ------------------- SDUS3i CCCC N1Pxxx Surface Rainfall Accum. /1-hr/ /78/OHP/ SDUS6i CCCC N3Pxxx Surface Rainfall Accum. /3-hr/ /79/THP/ SDUS5i CCCC NTPxxx Storm Total Rainfall Accumulation /80/STP/ SDUS5i CCCC DPAxxx Hourly Digital Precipitation Array /81/DPA/ SDUS6i CCCC SPDxxx Supplemental Precipitation Data /82/SPD/ SDUS5i CCCC DSPxxx Digital Storm Total Precipitation /138/DSP/ SDUS6i CCCC DODxxx Digital One-Hour Difference Accumulation /174/DOD/ SDUS6i CCCC DSDxxx Digital Storm Total Difference Accumulation /175/DSD/ Table 2: WMO Headings of Alternative Dual Polarization QPE Products TTUSII CCCC NNNXXX PRODUCT DESCRIPTION ------ ---- ------ ------------------- SDUS8i CCCC OHAxxx Surface Rainfall Accum. /1-hr/ /169/OHA/ SDUS8i CCCC DAAxxx Hourly Digital Accumulation Array /170/DAA/ SDUS8i CCCC DTAxxx Digital Storm Total Precipitation /172/DSA/ SDUS8i CCCC DU3xxx Surface Rainfall Accum. /3-hr/ /173/DUA/ SDUS8i CCCC DU6xxx Surface Rainfall Accum. /24-hr ending 12:00 UTC/ /173/DUA/ Where...CCCC is the NWS sending site ID and xxx is the last three characters of the WSR-88D site ID. For example...CCCC is KLWX... KOUN...PAFG...and would be XXX LWX...TLX...AEC...respectively. NWS partners and users should take the appropriate action to ensure systems recognize this change. For questions regarding this notice...please contact: Bill Ward NWS Radar Focal Point Radar Operations Center bill.ward@noaa.gov National Service Change Notices are online at: https://www.weather.gov/notification/ NNNN