Update #1: Critical Weather Day has been extended to 1200Z Tuesday March 17, 2026 and expanded to also include Southern and Eastern Regions for Severe Thunderstorm operations. Length of Event is now 60 hours.

Topic: Critical Weather Day Has Been Declared

 

Date/Time Issued: March 15, 2026 0946Z

 

Product(s) or Data Impacted: NWS IT Enterprise

 

Date/Time Initial Impact: March 15, 2026 0000Z (074)

 

Date/Time Expected End: March 17, 2026 0000Z  (076)

 

Length of Event: 48 hours


Who: NCEP, NCF, NWS Central Region


Details/Specifics: Winter Storm OPS across the Upper Midwest.


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


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