00Z GFS Model Delays

Alert ADA

Issued 21 Oct 2026 04:05Z (0404Z WED OCT 21 2026) · by Kempisty, on duty as SDM

Notices & outages ...00Z GFS MODEL DELAYS...

Good news: a previously reported problem has been resolved and service should be back to normal.

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Exactly as NWS transmitted it. Everything above is our plain-English reading of this text — if the two ever disagree, this is the authoritative version.

000
NOUS42 KWNO 210405
ADASDM

SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS CENTRAL OPERATIONS COLLEGE PARK MD
0404Z WED OCT 21 2026

...00Z GFS MODEL DELAYS...

The 00Z GFS is expected to be delayed by up to 40 minutes
due to an input data issue that impacted the start of the
model.  The issue has been resolved, and the 00Z GFS is
now running.


Kempisty/SDM/NCO