Onda de frio na América do Norte em 2019 (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Onda de frio na América do Norte em 2019" in Portuguese language version.

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1discovermagazine.com

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bbc.com

«Polar vortex death toll rises to 21 as US cold snap continues». BBC. Consultado em 3 de fevereiro de 2019

discovermagazine.com

blogs.discovermagazine.com

«Why Climate Change is Bringing the Polar Vortex South». Discover

nbcnews.com

Vórtice Polar 2019: alívio vindo para o Centro-Oeste que está sofrendo outro dia recorde de baixa NBC News, 31 de janeiro de 2019

nytimes.com

«Polar Vortex Updates: Extreme Cold Weather Spreads East». The New York Times
Atualizações ao vivo do Vortex Polar: O tempo frio amargo se expande para leste O New York Times, 31 de janeiro de 2019

weather.com

Brackett, Ron; Wright, Pam (29 de janeiro de 2019). «Winter Storm Jayden: More Than 1,300 Flights Canceled, State Offices and Schools Closed in Midwest, South; 3 Dead». Weather.com. The Weather Channel. Consultado em 4 de fevereiro de 2019