ArcaMax

Climate change is spurring a new, deep dive into a complex, little-studied weather system blamed for creating billions of dollars in flood damage across the western U.S.

Atmospheric rivers are narrow ribbons of concentrated moisture that originate in the Pacific and can flow thousands of miles before dropping rain and snow on land. Scientists ...Read more

LOS ANGELES -- A potential record-breaking gust of 209 mph recorded atop a California peak is looking more unlikely after further study, National Weather Service forecasters said Monday.

The blast of wind from a cold storm moving south across the state was captured around 7:45 a.m. Sunday by an instrument at 9,186 feet atop Kirkwood Mountain, ...Read more

BOSTON -- Six tornadoes tore through the Mid-Atlantic states on Friday, toppling trees, damaging homes and wrecking barns, and setting a new February record for the destructive storms in Maryland.

Unusually warm and humid air pushing up from the Gulf of Mexico, extreme winds in the jet stream, and a strengthening storm passing through the ...Read more

CHARLOTTE, N.C. -- Flooding remains a threat in the Charlotte region Friday after a line of severe storms led to the deaths of two drivers, spawned a tornado, downed trees and power lines, and left up to 23,000 Duke Energy customers in Mecklenburg County without power on Thursday.

A driver died when a tree fell on his car during an afternoon ...Read more

SEATTLE -- Seattle has never had 90 days of rain in a row, despite legends to the contrary. But this month, at least, has perhaps felt like interminable rain and gloominess.

With precipitation predicted every day this week, Seattle is on track to have a record-tying 28 rainy days in January, said National Weather Service meteorologist Dana ...Read more

A massive winter storm is grounding flights in Chicago, has whipped up tornadoes and hail across the South and will likely push record January warmth into New York, Washington and the entire East Coast over the weekend.

The eastern U.S. was covered with threats from high winds, flooding rains to snow, ice and even tornadoes from Kentucky to ...Read more

The United States had 14 major weather disasters last year, with a toll of at least 44 dead and a price tag of $45 billion, according to federal officials.

The biggest disasters of 2019 include eight severe storms, mainly in the South and Midwest, three big inland flooding events, two tropical cyclones that made landfall, and the wildfires in ...Read more

LOS ANGELES--After a weekend reprieve, more rain is expected to hit Southern California late Sunday through Monday.

However, it is not expected to be as strong a storm as this week's soaker, which closed freeways and caused flooding.

"It's going to be a typical winter storm," said Andrew Rorke, a senior forecaster with the National Weather ...Read more

A powerful winter storm bringing snow and ice across the Great Plains and upper Midwest promises to disrupt travel this weekend and bring a reminder of the season's fiercest qualities -- except in Chicago.

Winter seems to be on vacation in the Windy City, and balmy conditions will continue at least through Sunday, when temperatures are set to ...Read more

CHICAGO -- Amid dense fog reducing visibility in Chicago, the Federal Aviation Administration early Tuesday grounded incoming flights at Chicago's O'Hare International and Midway airports through 8 a.m., though the advisory was allowed to expire at Midway and continued at O'Hare after 8 a.m.

For a short time Tuesday morning all flights were ...Read more

LOS ANGELES -- Southern California endured a Thanksgiving of heavy rain and snow.

How does Christmas look? A new storm is coming our way just in time for the holiday week. Here is what we know.

The first of two storm systems to hit the West Coast from the Gulf of Alaska is expected to arrive in Los Angeles on Sunday -- just in time for the ...Read more