Is the melting Arctic changing midlatitude weather?

According to model simulations, a warming Arctic can shift the circulation patterns of the polar jet stream and bring frigid air southward. But has it?

Bibliographic Details
Published in:Physics Today
Main Author: Overland, James E.
Format: Article in Journal/Newspaper
Language:English
Published: AIP Publishing 2016
Subjects:
Online Access:http://dx.doi.org/10.1063/pt.3.3107
https://pubs.aip.org/physicstoday/article-pdf/69/3/38/10103042/38_1_online.pdf
Description
Summary:According to model simulations, a warming Arctic can shift the circulation patterns of the polar jet stream and bring frigid air southward. But has it?