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Summary

Description2022 United States tornado count.png	English: United States Inflation Adjusted* Annual Tornado Trend and Percentile Ranks Preliminary tornadoes from Local Storm Reports multiplied by 0.85 to remove overcount.
Date	1 January 2023
Source	https://www.spc.noaa.gov/wcm/torgraph-big.png
Author	Storm Prediction Center

Licensing

This file is in the public domain in the United States because it was solely created by the National Weather Service (NWS), including its name from 1870–1970, the United States Weather Bureau (USWB).

This includes the sub-branches of the National Weather Service:

The Climate Prediction Center (CPC), including its name from 1978–1995, the Climate Analysis Center (CAC)
The National Hurricane Center (NHC), including its name from 1950–1965, the Miami Hurricane Warning Office (HWO)
The National Tsunami Warning Center (NTWC) & Pacific Tsunami Warning Center (PTWC)
The Space Weather Prediction Center (SWPC)
The Storm Prediction Center (SPC), including its name from 1952–1966, the Severe Local Storms Unit (SELS), and its name from 1966–1995, the National Severe Storms Forecast Center (NSSFC)
The Weather Prediction Center (WPC), including its name from 1955–1995, the National Weather Analysis Center, and its name from 1995–2013, the Hydrometeorological Prediction Center (HPC)

As a file created by an employee of the NWS (formerly USWB) in the course of their official duties, whether hosted

on weather.gov
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elsewhere (for example, an ArcGIS StoryMap on storymaps.arcgis.com)
in Monthly Weather Review (MWR) 1873–1973, currently hosted on the American Meteorological Society's website (journals.ametsoc.org)

this work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.

Warnings:

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Use of the NWS name ("National Weather Service") and/or visual identifier are protected under trademark law and may not be used without permission from the NWS. NWS disclaimer
NWS websites host a large number of files created by members of the public or other third parties. These are not necessarily in the public domain.
Third parties producing copyrighted works consisting predominantly of the material appearing in NWS webpages must provide notice with such work(s) identifying the NWS material incorporated and stating that such material is not subject to copyright protection.17 U.S.C. § 403 NWS disclaimer
Monthly Weather Review was created and published solely by the USWB/NWS until the end of 1973. Starting in 1976, the journal was published, under copyright, by the American Meteorological Society. Between 1974–1975, the journal was published, without a copyright notice, and is still in the public domain under {{PD-US-no-notice}}.

Category:PD US NOAA NWS Category:Storm Prediction Center tornado counts Category:Tornadoes of 2022

Wikimore

File:2022 United States tornado count.png

Summary

Licensing