Powerful storms with widespread wind gusts and reported tornadoes swept across Oklahoma and Kansas, leaving more than a dozen people injured, and some Michigan residents faced a fifth-straight day Monday without power following last week's ice storm.

In California, the National Weather Service said a series of winter storm systems will continue moving into the state through Wednesday after residents got a brief break from severe weather on Sunday.

Winter storms sowed more chaos across the U.S., shutting down much of Oregon's largest city with almost a foot of snow and paralyzing travel from parts of the Pacific Coast all the way to the northern Plains.

The nearly 11 inches (28 centimeters) that fell in Portland amounted to the second snowiest day in the city's history. It took drivers by surprise, stalling traffic during the Wednesday evening rush hour and trapping motorists on freeways for hours.

A coast-to-coast storm that paralyzed roads and blacked out nearly 1 million homes and businesses was set to pound California on Friday, sparking warnings about floods and blizzards.

The National Weather Service warned of a "cold and dangerous winter storm" through Saturday. As much as 5 feet (1.5 meters) of snow could fall in some mountains near Los Angeles, which could create whiteout conditions as winds gust to 75 mph (120 kph) and an increased risk of avalanches, forecasters said.

Trends in a historic Horn of Africa drought are now worse than they were during the 2011 drought in which at least a quarter-million people died, a climate center said Wednesday.

The IGAD Climate Prediction and Applications Center said below-normal rainfall is expected in the rainy season over the next three months.

The temperature outside Klaus Mueller's office almost resembles spring, exactly the kind of mild weather that helped Germany get through the winter without Russian natural gas.

But Germany's chief utility regulator is not ready to sound the all clear on an energy crisis spawned by the war in Ukraine, even with natural gas reserves abundant and prices well down from their peak.

A brutal winter storm closed interstate highways from Arizona to Wyoming Wednesday, trapped drivers in cars, knocked out power to hundreds of thousands of people and prompted the first blizzard warning in Southern California in decades — and the worst won't be over for several days.

Few places were untouched by the wild weather, including some at the opposite extreme: long-standing record highs were broken in cities in the Midwest, mid-Atlantic and Southeast.

A brutal winter storm that trapped drivers on icy roads, blacked out hundreds of thousands of homes, grounded airplanes and closed schools across much of the country was poised to slam California Thursday.

"We are in for a VERY busy week!" the National Weather Service bureau in San Diego tweeted. "We have issued warnings for damaging winds, heavy mountain snow, highly hazardous boating conditions and the list goes on."

A weakened Cyclone Freddy which pummeled Madagascar Tuesday night with heavy rains and strong destructive winds, killing four people, is continuing to wreak havoc in the southwest of the Indian Ocean nation.

Freddy battered the western city of Mananjary and left 16,660 people displaced and damaged nearly 5,000 homes in the country, according to the latest provisional assessment by Madagascar's risk and disaster management office. But somewhat weaker winds and better preparation staved off further damage.

States in the northern plains are largely shutting down ahead of a massive winter storm that could dump up to 2 feet of snow in some areas, accompanied by strong winds and dangerously cold temperatures.

Many schools throughout the Dakotas, Minnesota and Wisconsin were called off for Wednesday, ahead of the storm. Offices closed, and so did the Minnesota Legislature, which won't reconvene until Monday. Emergency management leaders warned people to stay off the roads or face potential "whiteout" conditions due to the snow and fierce winds.

A helpless neighbor has described watching in horror as an elderly woman was killed by an alligator while walking her dog in a retirement community in the southern U.S. state of Florida.