Topic: Critical Weather Day Declared 

Date/Time Issued: March 30, 2023 1801Z 

Date/Time of Initial Impact: March 31, 2023 1200Z J/DAY 090
Date/Time of Expected End: April 1 2023 1200Z J/DAY 091

Length of Event: 24 Hours 

Who: NCEP, NCF, and  
NWS Central/Southern Region
Severe Thunderstorm ops across much of the Mississippi Valley.

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 Forum
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