Update #1: The Critical Weather Day in support of severe weather ops over Illinois and Indiana has ended as scheduled at 1200Z Wed Mar 11. Enhanced Caution continues through 0600Z Thu Mar 12 in support of Flooding ops in Hawaii associated with a Kona storm. 


Topic: Critical Weather Day Has Been Declared

 

Date/Time Issued: March 11, 2026 1212Z

 

Product(s) or Data Impacted: NWS IT Enterprise

 

Date/Time Initial Impact: March 10, 2026 1700Z (069)

 

Date/Time Expected End: March 11, 2026 1200Z  (070)

 

Length of Event: 19 hours


Who: NCEP, NCF, NWS Eastern Region


Details/Specifics: Severe Thunderstorm ops over northern Illinois and Indiana. 


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


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