What is the Polar Vortex? - National Weather Service
The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near the poles, but weakens in summer and strengthens in winter. The term …
Learn About the Polar Vortex - National Weather Service
The polar vortex is a large area of low pressure and cold air surrounding both of the Earth’s poles. It ALWAYS exists near the poles, but weakens in summer and strengthens in winter. The term …
Cold Weather Safety
Cold weather can also affect crops. In late spring or early fall, cold air outbreaks can damage or kill produce for farmers, as well as residential plants and flowers. A freeze occurs when the …
January 30-31, 2019: Record to Near-Record Cold in Northern Illinois
January 30-31 were so cold that the temperatures at the surface were as cold as cloud typically are well above the ground. This satellite image shows the very cold temperatures over the …
Arctic Outbreak to Invade the Texas and Oklahoma Panhandles
This cold air will spread south where it will move into Texas by Tuesday. Temperatures will plummet to some 20 to 30 degrees below normal! Even as cold as it will get, it appears record …
December 22-23, 2022: Powerful Arctic Front Brings Snow, Strong …
Dec 23, 2022 · A disruption of the polar vortex allowed for cold Arctic air to surge into the United States the week before Christmas. This helped spur the development of a "bomb cyclone" (a …
January 14-17, 2024: Multiday Stretch of Bitterly Cold …
A lobe of the polar vortex was dislodged and surged into North America, bringing bitterly cold temperatures to a large portion of the U.S. for several days during the middle of the month of …
January 1985 Record-breaking Cold - National Weather Service
Jan 21, 1985 · The polar vortex dropped into the Great Lakes region on January 19th; this helped accelerate the movement of intensely cold air southward. The arctic cold front reached the …
January 4-7, 2014 Winter Storm and Cold Outbreak - National …
Jan 4, 2014 · A strong disturbance dropping out of the Gulf of Alaska and digging southeastward through the southern Rockies on Saturday January 4th 2014 (Fig. 1) would eventually phase …
Prepare for Cold Weather - National Weather Service
Prepare for Cold Weather. The way to avoid frostbite and hypothermia is to plan for extreme cold before it arrives. Don't get caught unprepared. Check the Forecast at weather.gov or your …