Many parts of the U.S. have already broken records for snowfall and below zero temperatures while other parts have seen unseasonably warm temperatures.
Officials have issued a dense fog advisory through most of the morning Thursday.
As a nor’easter prepares to pummel the Northeast, environmentalists have turned to climate change to explain this season’s storms.
It’s the calm before the storm. But as we prepare for more of pounding rain, scientists are revving up their engines at Sacramento’s McClellan Park to fly directly into the thick of it.
The bulk of 2015’s first major storm will hit just after the Friday morning commute.
Storms will roll through starting later Thursday night. The peak of the first wave of the storm is expected to roll through during rush hour in Sacramento, between 4 and 6 p.m. Winds in the valley are expected to come from the south at 20 to 30 mph with gusts up to 50 mph.
The moisture is channeled on a narrow path aimed right at California. When it hits the coastal mountains and the Sierra, it’s rung out of the clouds and brings big rains.
Trees are already starting to bloom, even though it’s still a month and a half until the start of spring. The sight of pollen gets anyone who’s lived through a Sacramento spring imagining the worst.
A ridge of high pressure has kept California high and dry during the month of January, but signs are pointing toward the ridge moving eastward. As the ridge moves, an atmospheric river would likely aim for the coast, possibly bringing rain to the Sacramento region.
Air travel across the country is expected to slowly resume after hundreds of flights were canceled due to Monday night’s snowstorm.
Several Southern California cities broke decades-old heat records, with temperatures in the 80s.
The National Weather Service said a freeze watch will be in effect Friday night through Saturday morning in the central and southern San Joaquin Valley because temperatures are forecast to range between 28 degrees and 32 degrees for four to six hours.