Update #4: Critical Weather Day (CWD) has ended early due to tsunami warnings being canceled.

Tsunami advisories are still in effect across the Pacific Basin, so Enhanced Caution will be in place until 2000Z Wed Jul 30.

Update #3: Critical Weather Day has been updated and will now be extended to 2000Z.

Update #2: Critical Weather Day has been extended until 1500Z.

Update #1: Critical Weather Day has been updated to add additional regions. NCEP, NCF, NWS Western, Alaska, Pacific Regions

Topic: Critical Weather Day Has Been Declared

Date/Time Issued: July 30, 2025 1436Z

Product(s) or Data Impacted: NWS IT Enterprise

Date/Time Initial Impact: July 29, 2025 2340Z (210)

Date/Time Expected End: July 30, 2025  2000Z  (211)

Length of Event:  23 hours, 46 minutes

Who: NCEP, NCF, NWS Western, Alaska, Pacific Regions

Details/Specifics: Tsunami ops across the Pacific Basin.

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

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