{"id":31518,"date":"2019-01-30T17:56:31","date_gmt":"2019-01-30T17:56:31","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=31518"},"modified":"2022-12-31T01:04:46","modified_gmt":"2022-12-31T01:04:46","slug":"historic-cold-weather-outbreak-over-the-upper-midwest-and-great-lakes","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/31518","title":{"rendered":"Cold weather outbreak across the Upper Midwest and Great Lakes"},"content":{"rendered":"

\"GOES-16<\/a>

GOES-16 Air Mass RGB images, 28-30 January [click to play MP4 animation]<\/p><\/div>A highly-amplified upper air and jet stream pattern allowed a lobe of the polar vortex<\/strong><\/a> to migrate southward across southern Canada and the north-central US — leading to an outbreak of arctic air throughout the Upper Midwest and Great Lakes during the 29 January<\/strong><\/a> – 30 January 2019<\/strong><\/a> period. The path and expansion of the cold arctic air was apparent in GOES-16 (GOES-East)<\/em> Air Mass RGB<\/strong><\/a> images from the AOS<\/strong><\/a> site (above)<\/strong><\/em> — which first became evident over the Canadian arctic beginning on 28 January<\/strong><\/a>. The coldest air exhibited pale shades of yellow to beige in the Air Mass RGB images.<\/p>\n

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“It Came from Nunavut”
\nIt sounds like the title of a good movie to describe this cold weather. Have you been wondering where this system came from? The upper-level low pressure system dived down from northwest Nunavut, in far northern Canada, to Minnesota. pic.twitter.com\/GZSMCcO1eR<\/a><\/p>\n

\u2014 NWS Duluth (@NWSduluth) January 30, 2019<\/a><\/p><\/blockquote>\n