While Northern Plains, Great Lakes region and Upper Midwest are experiencing with severe blizzard already, which will be replaced by extreme frosts during next hours /article about measured extremes already in next series of articles on Mkweather: https://mkweather.com/2020/12/20/usa-with-abnormal-christmas-windchill-50f-45c-one-of-the-coldest-christmas-since-2000//, southern USA, before an arrival of powerful cold front is reporting extremely hot Christmas weather, with summer temperatures in Texas or Florida and wildfires in California.
In Austin City and Del Rio, maximum temperatures have reaches summer 82°F / +27,8°C last 24 hours, Houston has reported 81°F / 27,1°C and Miami 79°F / +26,1°C.
In California, thanks to Santa Ana winds, isn´t so hot such as in southern USA, but near autumn temperatures, extremely drought, sun and severe winds, wildfire situation is again critical mainly in southern California.
Meanwhile, Key Lake, central Saskatchewan is reporting -46,7°F / -43,7°C and this extremely cold air is shifting above northern states of the USA, with reaching of extreme values of windchill index during next hour (mainly Christmas Day, 25.12.2020) up to -50°F / -45°C and possible minimum temperatures below -30°F / -35°C, maybe very rarely -40°F / -40°C.
Maximum temperatures from 23.12. 2020 in North America /meteologix.com
#CreekFire (#Fallbrook, San Diego Co) – Copter 531 estimating fire to be 800-1,000 acres, still working on trying to map it w/ the software.. which isn't working yet. Night water drops suspended due to safety issues & ineffectiveness w/ the current winds. #CampPendletonpic.twitter.com/NNH1Y1t6Xg
#CreekFire on Camp Pendleton [update] Fire is 300 acres, 0% contained. Significant new evacuation orders for 7,000 residents on west side of Fallbrook (roughly south of Main Ave/S. Mission Rd). Please visit https://t.co/kFNyPzwgZX for the latest info. pic.twitter.com/TeoHoFSsNz
— CAL FIRE/SAN DIEGO COUNTY FIRE (@CALFIRESANDIEGO) December 24, 2020
#CreekFire in De Luz [update] Fire is pushing southwest of De Luz Road further onto Camp Pendleton towards Ammunition Road. Road closure on De Luz Road at Sandia Creek. Area along De Luz Road under mandatory evacuation. Additional resources moving onto Camp Pendleton. pic.twitter.com/8hGf6YbcXf
— CAL FIRE/SAN DIEGO COUNTY FIRE (@CALFIRESANDIEGO) December 24, 2020
#BuckmanFire in Lake Morena [update] Firefighters have knock-down on the structure fire. Threat to vegetation minimized. Firefighters will remain at scene through the evening, with @SDSheriff and Border Patrol assisting. pic.twitter.com/hYcc0F8s74
— CAL FIRE/SAN DIEGO COUNTY FIRE (@CALFIRESANDIEGO) December 24, 2020
#BarrettIC near Barrett Lake [final] Fire has been extinguished; all units available shortly. In total, one barn and two outbuildings were destroyed. @SDSheriff Bomb/Arson Unit assisting CAL FIRE Law Enforcement with the investigation. pic.twitter.com/vRWTW5SokS
— CAL FIRE/SAN DIEGO COUNTY FIRE (@CALFIRESANDIEGO) December 14, 2020