File:SPC Mesoscale Discussion 1999.jpg

Size of this preview: 787 × 600 pixels. Other resolutions: 315 × 240 pixels | 630 × 480 pixels | 1,008 × 768 pixels | 1,280 × 976 pixels | 1,818 × 1,386 pixels.

Original file (1,818 × 1,386 pixels, file size: 902 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

DescriptionSPC Mesoscale Discussion 1999.jpg	English: The Storm Prediction Center’s meso—gamma mesoscale discussion #1999.
Date	10 December 2021
Source	https://www.spc.noaa.gov/products/md/2021/md1999.html
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
on an NWS sub-branch website including: cpc.ncep.noaa.gov, nhc.noaa.gov, swpc.noaa.gov, spc.noaa.gov, tsunami.gov, wpc.ncep.noaa.gov
on an NWS or sub-branch social media channel (such as Facebook, X or YouTube)
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:

(Click here to view)

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}}.

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:16, 14 July 2023		1,818 × 1,386 (902 KB)	WeatherWriter	Uploaded a work by Storm Prediction Center from https://www.spc.noaa.gov/products/md/2021/md1999.html with UploadWizard

File usage

The following 3 pages use this file:

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Orientation	Normal
Horizontal resolution	144 dpi
Vertical resolution	144 dpi

File:SPC Mesoscale Discussion 1999.jpg

Summary

Licensing

Captions

Items portrayed in this file

depicts

inception

10 December 2021

media type

image/jpeg

File history

File usage

Metadata