Officials are warning San Francisco residents of dangerous flooding as a powerful atmospheric river propelled by a churning bomb cyclone moves through the region. An emergency phone alert went out ...

That's paving the way for the National Weather Service to educate meteorologist-wannabes about the differences between a bomb cyclone and ... and Friday. The flooding, wind and rain are first ...

creating a so-called "bomb cyclone". Getty Images A car trapped under a collapsed building on Sunday in Southern California after a powerful storm ripped through the area The city of San Francisco ...

Torrential rainfall hit Southern California Thursday morning as a “bomb cyclone” delivered as expected. Rain totals exceeded 2 inches in some areas of Los Angeles County by mid-morning with ...

Forecasters also said the storm had the potential to include a process that meteorologists call bombogenesis, or a “bomb cyclone ... plans to return home to San Francisco soon.

Meteorologists have labeled the storm a "bomb cyclone." Across the US ... and Iowa were also closed today due to to heavy snow and flooding, the AP reported. Multiple Colorado school districts ...