Critical incident

DTN: GRIB Files 0.5 and 1.0 Degree Files from 30 OCT 0600Z Missing/Late

Affected: GFS GRIB2 1.0 degree Winds and Temps, GFS GRIB2 0.5 degree Winds and Temps

Current status of DTN: Operational — live DTN status

Timeline

1. Oct 30, 2026, 11:15 UTC
   investigating
   We are investigating missing/late GRIB files from 30 OCT 0600Z run. 0.5 degree and 1.0 degree GRIB Files.
2. Oct 30, 2026, 11:24 UTC
   investigating
   For the 0.5 degree GRIB files, forecast hours 03-24 have arrived and been sent. Missing forecast hours 27-36. Continuing to look into these forecast hours. Continuing to look into the missing 1 degree GRIB Files.
3. Oct 30, 2026, 11:28 UTC
   investigating
   For the 0.5 degree files. Forecast hours 27 and 30 have arrived. Missing hours 33 and 36.
4. Oct 30, 2026, 11:33 UTC
   investigating
   All files from the 0.5 degree GRIB files have arrived and been sent. Looking into the 1.0 degree GRIB files.
5. Oct 30, 2026, 11:53 UTC
   identified
   A restart was performed on an application server. The 1.0 degree GRIB files are now running and updating.
6. Oct 30, 2026, 11:57 UTC
   monitoring
   The 1 degree GRIB files continue to update for the 30 OCT 0600Z model run. We will continue to monitor and sent a final message once all files have run.
7. Oct 30, 2026, 12:19 UTC
   resolved
   All GRIB files from 30 OCT 0600Z have arrived and been sent. This is resolved.

Updates as published by DTN (original).