Critical Weather Day has been declared
Today's Hazards: 
The NOAA Center for Weather and Climate Prediction (NCWCP).
●
○
○
○
○
‹
›
24hr forecast from the NCEP Global Forecast System. Visit
mag.ncep.noaa.gov for more.
○
●
○
○
○
‹
›
The NOAA Weather and Climate Operational Supercomputing System (
WCOSS2).
○
○
●
○
○
‹
›
○
○
○
●
○
‹
›
Current NWS watches, warnings, and advisories. Visit
weather.gov for details.
○
○
○
○
●
‹
›
Welcome to NCEP Central Operations
As the information technology center for the National Weather Service, NCO executes and manages upgrades to the NCEP 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 NCEP is for scientific excellence.
SENIOR DUTY METEOROLOGIST NWS ALERT ADMINISTRATIVE MESSAGE
NWS NCEP CENTRAL OPERATIONS COLLEGE PARK MD
2211Z WED DEC 10 2025
...CRITICAL WEATHER DAY DECLARED...
A Critical Weather Day has been declared for...
* NWS Western Region
- START: 2100Z Wed Dec 10 2025
- END: 0000Z Fri Dec 12 2025
- REASON: Flooding ops in the Pacific Northwest, with
catastrophic flooding possible.
* NCEP and NCF are also participating in this CWD to ensure a
reliable flow of weather data.
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
regional management officials or their designees. NWS offices
should contact their regional offices for further questions
about this CWD.
Please visit the CWD status page for more information:
https://www.nco.ncep.noaa.gov/status/cwd/
Gerhardt/SDM/NCO/NCEP
⮚
LAMP/GLMP Model Upgrade September 16, 2025
Upgrade the Localized Aviation Model Output Statistics (MOS) Program(LAMP) and Gridded LAMP to v2.7
⮚
HAFS Model Upgrade July 31, 2025
Upgrade the Hurricane Analysis and Forecast System (HAFS) to v2.1
⮚
RTOFS Model Upgrade July 31, 2025
Upgrade the Real-Time Ocean Forecast System to version 2.5
Page loaded: 23:03 UTC | 3:03 pm Pacific | 4:03 pm Mountain | 5:03 pm Central | 6:03 pm Eastern
