Model Diagnostic Discussion...Corrected NWS Weather Prediction Center College Park MD 1134 PM EST Wed Jan 24 2018 Valid Jan 25/0000 UTC thru Jan 28/1200 UTC ..See NOUS42 KWNO (ADMNFD) for the status of the upper air ingest... Please refer to the WPC QPFPFD precipitation forecast discussion for details on model preferences and system timing until the next PMDHMD is issued at 1645 UTC.