This incident has been resolved.
Sep 21, 11:58 EDT
Data is flowing again. NCEP reports "Jobs are being rerun and all data normally available from ~0605Z to current time (~1000Z) will be delayed by at least 4 hrs. Future data may also be delayed as the model suite catches back up to real-time."
Sep 21, 06:21 EDT
NCEP has started a switch to their backup supercomputer, we expect lengthy delays to continue as workloads are shifted.
Sep 21, 05:57 EDT
Due to a network issue at NCEP, data is not being disseminated.
Sep 21, 02:00 EDT