News
01/20/2025, 7:07 am EST

This Week’s Cold Rivals “Uri” From 2021

This week’s bitter cold produces about 265 U.S. gas population weight heating degree days (HDD). By comparison, this week is second coldest compared to recent memorable cold weeks including Cold Weather Event “Uri” from the week of 2/13/21 (260) and 2/20/21 (271), “Elliot” 12/24/22 (254), and polar vortex events from January 2024 (249) and 2015 (258).
01/16/2025, 8:47 am EST

Great Lakes Ice Forming and Will Expand Rapidly

Great Lakes ice is emerging and should spread rapidly given the long duration cold pattern ahead. Open water moderates arctic air. However, once ice is sufficiently expansive the moderating effects cease.