Topic: Critical Weather Day has been declared. 

Date/Time Issued: May 20, 2023 2150Z

Date/Time of Initial Impact: May 20, 2023, 2200z 
J/DAY 139
Date/Time of Expected End: 
May 24, 2023, 1200z  J/DAY 143

Length of Event: Approximately 87 Hours 

Requester:  NCEP, NCF, NWS Pacific Regions
Reason: Tropical Cyclone ops across the Mariana Islands 


Contact Information for Further Information: ESPC Operations at and 301-817-3880

Web Site(s) for Applicable Information: SDM Total Operational Weather Readiness - Satellites (TOWR-S) Virtual Lab

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