Update #11: CWD has now ended. There is currently no CWD in effect
Update #10: CWD for Pacific Region ended early as of 16/2350Z. No tsunami advisories are currently in effect.
Update #9: CWD updated to add Pacific Region due to a Tsunami Advisory for American Samoa starting at 2100Z ending 17/0900Z due to continued pulsating volcanic eruptions in Tonga Region.
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 18, 2022 0014Z
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.
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