.

Topic: Critical Weather Day Has Been Declared

Date/Time Issued: September 08, 2026 0333Z

Product(s) or Data Impacted: NWS IT Enterprise

Date/Time Initial Impact: September 07, 2026 0300Z JDAY 250

Date/Time Expected End: September 08, 2026 1500Z JDAY 251

Length of Event: 36 Hours 

Requester: NWS Central Operations, National Centers, and Weather Forecast Offices

Details/Specifics: Tropical Cyclone ops in Hawaii.
.

Stop all operational changes. Exceptions must be approved by senior executive leadership designee. 

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

This notification was sent to ESPC.Notification@noaa.gov mailing list. If you wish to unsubscribe or subscribe to this list, please contact ESPC Help-Desk at ESPCOperations@noaa.gov with your request. Please note: it may take up to two business days to process your request. For any additional information you can reach ESPC at 301-817-3880 (24x7)