Update#1:The Critical Weather Day has ended.

Topic: Critical Weather Day Has Been Declared

Date/Time Issued: June 12 2026 1209Z

Product(s) or Data Impacted: NWS IT Enterprise

Date/Time Initial Impact: June 11 2026 1300Z JDAY(162)

Date/Time Expected End: June 12 2026 1200Z JDAY(163)

Length of Event: 23 Hours

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

Details/Specifics: Severe thunderstorm operations across portions of the Midwest and Great Lakes region

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)