Update on AutoNowCaster (Removal from MRMS)

The AutoNowCaster (ANC) products will be removed from the operational MRMS system on or about Wednesday, September 6, 2023. This includes the following products: 1) Convective Likelihood, which indicates regions where new storm initiation and/or the growth/sustainment of advecting storms is likely, and 2) Final Forecast, which indicates 60-minute extrapolation of existing storms with reflectivities > 35 dBZ (including growth and decay), and areas where new storms are likely to initiate, with three levels of new storm initiation.

More information on the removal of the ANC applications can be found in this NWS Service Change Notice: https://www.weather.gov/media/notification/pdf_2023_24/scn23-86_autonowcaster_discontinuation.pdf.

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