Memorable Snowfall Hits Deep South, Skirts Big Cities

By: Bob Henson, 6:48 PM GMT on February 26, 2015

A quick-moving snowstorm zipped from northeast Texas to southern Virginia in little more than 24 hours, leaving some parts of the Deep South with more snow than they’ve seen in decades. Rather than carving a deep trough in the eastern U.S., the upper-level energy that generated the snow tracked along the base of a broad pre-existing trough. This channeling of energy helped lead to a storm that had a vast extent from southwest to northeast but a narrow north-south ...

Winter Weather

Updated: 7:07 PM GMT on February 26, 2015

Are We Entering a New Period of Rapid Global Warming?

By: Bob Henson, 5:04 PM GMT on February 24, 2015

Residents of New England may understandably look back at 2015 as the year of their never-ending winter. For the planet as a whole, though, this year could stand out most for putting to rest the “hiatus”— the 15-year slowdown in atmospheric warming that gained intense scrutiny by pundits, scientists, and the public. While interesting in its own right, the hiatus garnered far more attention than it deserved as a purported sign that future global warming would be...

Climate Change

Updated: 5:36 PM GMT on February 24, 2015

Reviewing Last Week's Remarkable Cold Wave

By: Bob Henson, 4:53 PM GMT on February 23, 2015

Unusually cold air will prevail across most of the Eastern U.S. for yet another week, making some inroads into the central states. Snow and ice continue to plague parts of the South and Atlantic: significant sleet and freezing rain are possible today from northeast Texas into Mississippi. Another round of wintry precipitation is likely midweek across parts of the mid-South, with the focus beginning to shift westward in a long-awaited pattern change by next weekend.<...

Winter Weather

Updated: 9:34 PM GMT on February 23, 2015

A Nation Divided: Heat and Cold Records Split the U.S.

By: Bob Henson, 5:50 PM GMT on February 20, 2015

This winter’s persistent U.S. gap between western warmth and eastern cold grew into a chasm this week. While unseasonable, unsettling mildness continues to bathe much of the West, one of the strongest February cold outbreaks in U.S. weather history--perhaps the worst and most widespread for so late in the winter--has taken hold from the Mississippi Valley eastward. Freezing temperatures pushed into parts of central Florida on Friday morning, with readings diving b...

Winter Weather

Updated: 7:39 PM GMT on February 20, 2015

Second Warmest January on Record Globally

By: Dr. Jeff Masters, 5:53 PM GMT on February 19, 2015

January 2015 was the second warmest January since record keeping began in 1880, said NOAA's National Climatic Data Center (NCDC) on Thursday. NASA also rated January 2015 as the 2nd warmest January on record, behind January 2007, which had the warmest departure from average of any month in recorded history. January 2015's near-record warmth continues a trend of very warm months for the planet--December 2014 was the warmest December on record, and 2014 was Earth's wa...

Climate Summaries

Updated: 7:49 PM GMT on February 20, 2015

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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.