Update #1 - Critical Weather Day has ended as of 1200Z on J/Day 284 for NCEP, NCF, Southern Region. 

Correction: Initial Impact Jday - 283 and Expected End Jday - 284

 Critical Weather Day has been declared.
Date/Time Issued: October 11, 2021 1212Z
Date/Time of Initial Impact: October 10, 2021 1200Z J/DAY 263 (283)
Date/Time of Expected End: October 11, 2021 1200Z J/DAY 264 (284)
Length of Outage: 24 Hours
Who: NCEP, NCF, Southern Region

Reason: SPC Moderate Risk of Severe with a 15% chance or greater of  a tornado over Oklahoma.

 Users can get CWD status on the NCEP web page: https://www.nco.ncep.noaa.gov/status/cwd/

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 or Senior Duty Meteorologist at Sdm@noaa.gov at 301-683-1500  

Web Site(s) for applicable information: N/A  

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 START: 1200Z Sun Oct 10 2021
END: 1200Z Mon Oct 11 2021

WHO: NCEP, NCF, Southern Region

REASON:  SPC Moderate Risk of Severe with a 15% chance or greater of  a tornado over Oklahoma.

Users can get CWD status on the NCEP web page: