# SPC Severe Weather Maps, Graphics, and Data Page Change Log

17 January 2024:
    * New: Added all severe watch 20y SPC Watch Climatology
    * UPDATE: 20y SPC Watch Climatology - updated to 2004-2023
    * UPDATE: SPC Watch Frequency Maps - updated to 2023

25 April 2023:
    * New: Initial release of 2022 Severe Weather Database
    * UPDATE: Total Severe Weather Reports - updated to 2022
    * UPDATE: Monthly Tornadoes By State - updated to 2022
    * UPDATE: Annual Averages: Tornadoes by State (30y, 20y, 10y) - updated to 2022
    * UPDATE: Other U.S.Tornado Summaries: By State Area - updated to 2022
    * UPDATE: Other U.S.Tornado Summaries: By County - updated to 2022

08 March 2023:
    * UPDATE: 20y SPC Watch Climatology - updated to 2003-2022
    * UPDATE: SPC Watch Frequency Maps - updated to 2022

15 February 2023:
    * ADDITION: Added a section for a link to the SPC Tropical Cyclone Tornado (TCTOR) Page

01 February 2023:
    * UPDATE: Total Severe Weather Reports - updated to 2021; Graphics backfilled to 2011 with new graphic format (simply change year in url)
    * UPDATE: Monthly Tornadoes By State - updated to 2021
    * UPDATE: Annual Averages: Tornadoes by State (30y, 20y, 10y) - updated to 2021
    * UPDATE: Other U.S.Tornado Summaries: By State Area - updated to 2021
    * UPDATE: Other U.S.Tornado Summaries: By County - updated to 2021
    * UPDATE: Other U.S.Tornado Summaries: Total Fatalities - updated to 2022
    * ADDITION: Added link to a 2022 paper "Errors, Oddities, and Artifacts in U.S. Tornado Data, 1995-2021" by Edwards, R., M.S. Elliott, P.T. Marsh, and D.A. Speheger 
                in Severe Weather Database Files Section for a discussion of errors and artifacts in tornado data.

25 January 2023:
    * UPDATE: Annual Averages: Tornado Fatalities by State (30y, 20y, 10y) - updated to 2022