Update #8: CWD has ended for Western Region at 09Z, as scheduled.   All tsunami advisories along the California coast have been dropped.  

Update #7:  CWD for Western Region has been extended until 16/09Z due to continued tsunami advisories along the California coast.

Update #6: CWD has ended for Alaska Region.  CWD for Western Region has been extended until 16/06Z due to a tsunami advisory along the California coast.  

Correction: Start time for Alaska and Western Regions is 1/15 1430Z end time is 1/16 0200Z.

Update #5: CWD updated to add Alaska and Western Regions due to a Tsunami Advisory that may have unknown impacts due to the previous underwater Volcanic Eruption  near Tonga from 1430Z to 0200Z.

Update #4: Critical Weather Day ended at 12Z  1/15 for OPC.   Critical Weather Day remains in effect until 00Z Tues Jan 18 for Eastern Region and expanded to include Southern Region due to a winter storm impacting the eastern half of the country this weekend.

Update #3: As of 0800Z, Critical Weather Day for the Pacific Region has been canceled.  The tsunami warning for American Samoa has been discontinued.

CORRECTION: The earthquake that created the tsunami was a magnitude 4.0 earthquake.  

Update #2
: CWD updated to add Pacific Region due to a Tsunami Warning for American Samoa starting from 0630Z to 1430Z due to a magnitude 7.6 earthquake.

Update #1: Critical Weather Day has been extended to 00Z Tuesday January 18 for Eastern Region and expanded to include Southern Region due to a winter storm impacting the eastern half of the country this weekend. CWD will still end at 12Z Saturday January 15 for OPC. 
Topic: Critical Weather Day has been declared.
 
Date/Time Issued: January 16, 2022 0907Z
 
Date/Time of Initial Impact:  January 15, 2022  0000Z J/DAY 015
 
Date/Time of Expected End:  January 15, 2022  1200Z  J/DAY 015
 
Length of Outage: 12 hours
 
Who: NCEP, NCF, Eastern Region and OPC (Ocean Prediction Center)

Reason: Due to hurricane-force wind warnings for Ocean Prediction Center's offshore Atlantic Waters.  

 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  

This message was sent by ESPC.Notification@noaa.gov. You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk at ESPCOperations@noaa.gov or (301) 817-3880. Please note: it may take up to two business days to process your unsubscribe request.