Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.
By: Jeff Masters and Bob Henson, 4:22 PM GMT on January 26, 2015
Observations and model output over the last few hours continue to point toward a snowstorm/blizzard tonight and Tuesday that will affect tens of millions of Northeasterners with potential record snowfall, extremely high winds, and significant coastal flooding. Snow was quickly developing on Monday morning across the New York metro area and southern New England. Below is a summary of the potential impacts from this major weather event. We will provide frequent update...
Updated: 4:39 PM GMT on January 26, 2015
By: Bob Henson, 6:30 PM GMT on January 25, 2015
The densely populated area from New York City to Boston could experience one of its ten biggest snowstorms on record early this week, as a textbook nor’easter takes shape over the next 48 hours. While local details are bound to evolve somewhat as the storm develops, the models are now in strong, consistent agreement on a potentially crippling snowstorm. Blizzard watches were hoisted on Sunday morning from eastern New Jersey to northeast Massachusetts, including th...
By: Dr. Jeff Masters, 9:10 PM GMT on January 23, 2015
The Western U.S. winter rainy season has reached its halfway point, and there is only bad news to report for drought-beleaguered California. November through March marks the period when California receives its heaviest rains and snows, thanks to the wintertime path of the jet stream, which dips to the south and brings wet Pacific low pressure systems to the state. The rainy season started out promisingly, with several December storms bringing precipitation amounts c...
By: Bob Henson, 5:21 PM GMT on January 22, 2015
Already, the 21st century has brought us the deadliest U.S. hurricane since 1928 (Katrina, 2005) and the deadliest tornado since 1947 (Joplin, 2011). Here's much better news: the death toll from lightning has plummeted across the nation in recent decades, and the progress is holding up nicely. Veteran lightning analyst Ron Holle presented an update on national and global casualty trends at the American Meteorological Society's annual meeting in Phoenix earlier this ...
Updated: 7:02 PM GMT on January 22, 2015
By: Bob Henson, 4:28 PM GMT on January 20, 2015
Motorists in widely dispersed parts of the country found themselves slipping and sliding over the last week in treacherous black-ice conditions. Hundreds of accidents and more than a dozen deaths were reported. Repeated shots of cold, shallow surface air pouring across much of the United States this winter are paving the way for multiple icing events. In a typical year, icy and snowy roads cause roughly 900 U.S. deaths, more than hurricanes, lightning, tornadoes, an...