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Welcome to NWS Central Operations
As the information technology center for the National Weather Service, NCO executes and manages upgrades to the NWS model production suite, enterprise applications, and network services for the entire NWS, and provides 24x7 monitoring and customer support.

Our vision is to set the standard for information technology excellence for the NWS, serving as a valued technical asset for the NWS and NOAA in defining and accomplishing mission goals, and to be as renowned for IT management as our other National Centers are for scientific excellence.

Office of the Director
SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS CENTRAL OPERATIONS COLLEGE PARK MD
2137Z WED SEP 23 2026

...CRITICAL WEATHER DAY DECLARED...

Critical Weather Day has been declared for...

- START: 2130Z Wed Sep 23 2026
- END: 1200Z Mon Sep 28 2026
- WHO: NWS Central Operations, National Centers, and
Weather Forecast Offices
- REASON: Tropical Cyclone, Excessive Rainfall, and
Flooding ops in Hawaii.

All scheduled software/hardware/network changes for the
impacted offices will be postponed until the CWD has ended.
Any emergency changes will be evaluated and approved by
senior management officials or their designees. NWS
offices should contact their sector offices for further
questions about this CWD.

Please visit the CWD status page for more information:
https://www.nco.ncep.noaa.gov/status/cwd/


Kempisty/SDM/NCO

BLEND Model Upgrade May 5, 2026
Upgrade the National Blend of Models (NBM) to version 5.0

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