Following the successful update of MRMS with the build v12.0, the MRMS v12.1.0 update was implemented on 1420 UTC 24 February 2021 at the National Weather Service. This update contains a series of updates that provide technical improvements to the MRMS system, changes to what is distributed on the NWS Satellite Broadcast Network (SBN), the addition of the Alamosa, CO gap-filling radar, and changes to the Multi-Sensor QPE product latency.

More details about MRMS v12.1.0 can be found here: Code Updates Page

Operational Product Viewer Web Page: https://mrms.nssl.noaa.gov/qvs/product_viewer/