A shifting polar vortex will allow multiple rounds of Arctic air to invade the central and eastern United States through the first half of December. The cold waves will be accompanied by opportunities for accumulating snow.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

Two cities had their biggest November snowfalls in history, while more than 10,000 flights were delayed for those going home on the holiday weekend. The polar vortex is on the move with its Arctic blasts, but so are storms packing snow and ice. The weather pattern setting up over the next couple of weeks will be very winterlike in the Central and Northeastern states.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

From a bright supermoon to the Geminid meteor shower, December is filled with must-see astronomy events. Here's when and how to see each celestial sight.

Also, December's first week will feature multiple rounds of wintry weather in the Midwest and Northeast, starting with a sprawling storm which will bring several cities their first accumulating snow of the season by Tuesday.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

A high-impact storm that will stretch from the Rockies to the Great Lakes this weekend, bringing heavy snow ice and severe weather to more than a dozen states — and major travel disruptions.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

Witnessing a seiche is like looking at a hurricane's storm surge and waves - but it can happen during the winter, tossing heavy snow or lake ice into the mix.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

November isn't prime season for Texas tornadoes, but one touched down in northwest Houston Monday, damaging 100 homes and causing a gas leak.

In other news, the most widespread lake-effect snow event so far this season will cause major disruptions around Thanksgiving, with an AccuWeather Local StormMax™ of 36 inches.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

Paradegoers can expect sunshine and a chill in the air, but gusty winds may make it tough for some of the parade’s most famous balloons to take flight.

Elsewhere, several inches of rain falling over a few days through Thanksgiving will slow motorists during the busiest travel week of the year, as a surge of moisture arrives ashore from the Pacific.

Lake-effect snow, gusty winds and sudden squalls will to impact post-holiday travelers from the Great Lakes to the Northeast, creating slick and hazardous conditions Friday. Snow will also streak across the Plains.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

A weather instrument dropped from a Hurricane Hunter plane during Hurricane Melissa measured the highest winds on record for such an instrument.

Also, mosses are known to thrive in some of Earth’s harshest environments, from Death Valley’s scorching heat to the freezing peaks of mountains. Now, researchers have discovered that this tiny green plant can even survive the vacuum of space.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

The 2025 Atlantic hurricane season brought 13 named storms and five hurricanes, including Hurricane Melissa, which devastated Jamaica as a Category 5.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

A strong storm sweeping from Texas into Tennessee will bring several inches of rain, flash flooding and rounds of severe thunderstorms with hail and a high wind threat into Friday.

Also, the summits of Hawaii were covered in white this week, but snow in the mountains there isn't as unusual as you might think

Learn more about your ad choices. Visit podcastchoices.com/adchoices