File:1979 Red River Valley Outbreak severe weather events.png WikiZero

Summary

Description	English: Map of severe weather events associated with the 1979 Red River Valley Outbreak.
Date	Unknown date
Source	https://www.weather.gov/oun/events-19790410
Author	National Weather Service Norman, Oklahoma

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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

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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.

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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}}.

File change date and time	18:17, 20 February 2018
Horizontal resolution	28.34 dpc
Vertical resolution	28.34 dpc

File:1979 Red River Valley Outbreak severe weather events.png

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88619055e536dfa70cdaf35ea72622002e6f65cd

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