The phase 7 500mb composite. Notice the ridging in western North America/Gulf of Alaska, trough over Great Lakes. Blocking over the North Pole. pic.twitter.com/NkOLALxiDj— Allan Huffman (@RaleighWx) January 9, 2020
The phase 7 500mb composite. Notice the ridging in western North America/Gulf of Alaska, trough over Great Lakes. Blocking over the North Pole. pic.twitter.com/NkOLALxiDj