File:NWS weather fronts.svg

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Original file (SVG file, nominally 560 × 320 pixels, file size: 3 KB)

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Summary

Description

Weather fronts

  1. cold front
  2. warm front
  3. stationary front
  4. occluded front
  5. surface trough
  6. squall line
  7. dry line
  8. tropical wave
  9. trowal (Trough of warm air aloft by Canadian Avalanche Association and World Meteorological Organisation)
Date
Source w:en:Image:NWSweatherfronts.gif, [1]Hydrometeorological Prediction Center, Camp Springs, MD. Updated with Trowal on 2013-08-28
Author cs:User:-xfi-
Permission
(Reusing this file)
Public domain 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:

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

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}}.

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inception

15 August 2006

File history

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Date/TimeThumbnailDimensionsUserComment
current17:51, 14 October 2016Thumbnail for version as of 17:51, 14 October 2016560 × 320 (3 KB)wikimediacommons>-xfi-+ trowal

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