Wild-Winter Whodunnit—Climate Change Over the U.S. With a Slow Jet Stream?
This map produced by NOAA shows the land-surface temperature anomaly: how the temperature deviated from normal, on average, over the month. The darkest red areas were 12 degrees Celsius (22 degrees Fahrenheit) above average, while the darkest blue areas were 12 degrees Celsius below average.NOAA A question hangs like a cloud over the deeply weird […]
The Grand Collisions That Make Snownadoes & Arctic Sea Smoke
Lake-effect snow clearly visible over the Great LakesNASA Last December, State University of New York, Oswego, meteorologist Scott Steiger led an expedition into a snowstorm. The team called themselves OWLeS—the Ontario Winter Lake-effect Systems. Researchers lofted weather balloons and tethered blimps into snowy clouds to gather temperature and humidity data. A trio of flatbed trucks […]