Correction:  - Earthquake triggered Tsunami Watches, Warnings and Advisories for the Pacific and Alaska Regions.

Update #1 :  Critical Weather Day will be expanded to include both Alaska and Pacific Regions due to a magnitude 7.2 Earthquake that triggered Tsunami Watches for both Regions. 

Topic: Critical Weather Day has been declared.
Date/Time Issued: July 29, 2021 0744Z
Date/Time of Initial Impact:  July 28 , 2021 1200Z J/DAY 209
Date/Time of Expected End: July 29, 2021 1200Z J/DAY 210
Length of Outage: 24 hours
Who: NCEP, NCF, Central Region

Reason:   SPC Moderate Risk of severe weather with damaging winds in the Upper Midwest..  

 Users can get CWD status on the NCEP web page:

Contact Information for Further Information:
 ESPC Operations at at 301-817-3880 or Senior Duty Meteorologist at at 301-683-1500  

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

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