National Weather Service United States Department of Commerce

Severe Thunderstorms Forecast for Portions of the Plains, Mississippi Valley, and Mid South

Intense and widespread severe thunderstorms are expected Friday afternoon into the overnight hours across parts of the middle Mississippi Valley and Mid-South vicinity, eastward to the lower Ohio and Tennessee Valleys. Strong and damaging wind gusts are forecast along with several strong tornadoes. Farther north, heavy snow and blizzard conditions are possible over the Upper Midwest. Read More >


Declaration of GOES-18 as the GOES-West Operational Satellite on January 4, 2023 at 1800 UTC,
Issued December 5, 2022 1730 UTC

Topic: Declaration of GOES-18 as GOES-West Operational Satellite on January 4, 2023 at 1800 UTC

Date/Time Issued: December 5, 2022 1730 UTC

Product(s) or Data Impacted: All GOES-18 ABI, GLM, SUVI, SEISS, MAG, and EXIS products and services

Date/Time of Initial Impact: January 4, 2023 at 1800 UTC

Date/Time of Expected End: N/A

Length of Outage: N/A

Details/Specifics of Change: 

On January 4, 2023 at 1800 UTC,  the GOES-18 satellite will be declared the Operational GOES-West satellite. Until that transition date and during this final period of Post Launch Product Testing (PLPT), GOES-18 products are considered non-operational regardless of their validation maturity level. All products and services (e.g., GRB, AWIPS, PDA, CLASS, NODD) containing GOES-17 data will be transitioned to GOES-18 data.  GOES-18 will continue to operate out of its current location of 137.0 degrees west through the transition. 

Following the transition of GOES-18 to GOES-West, GOES-17 will commence drifting to the storage location at 105.0 degrees west. 


Contact Information for Further Information: Steve Superczynski at or SPSD User Services at


Websites for Applicable Information: