First installed in the 1950s, they were developed for Cold War air raid warnings, but in the 1970s, the sirens transitioned ...

Explainer: The wind speed of the Mangawhai tornado is similar to one that's occurred before - RNZ has been looking at what we know so far.

Ionia County Central Dispatch says the button to set off the sirens was accidentally "tripped" while staff was working to clean up and continue operations after a pipe burst.

The tornado sirens were accidentally activated in Ionia County Saturday afternoon, dispatchers say, as equipment was being moved after a pipe burst Friday at the dispatch center.

The NOAA data splits tornadoes into multiple “segments.” If a tornado crosses a county or state line, it begins a new segment. Therefore, long-track tornadoes that are on the ground for an ...

WE ARE ON IT. SO IS HEATHER. SO WHAT ARE YOU SEEING? HEATHER? WELL, THERE WAS A TORNADO WARNING IN EFFECT FOR NORTHERN TEHAMA COUNTY, BUT ON OUR MAPS HERE, THAT WARNING WENT AWAY, INDICATING THAT ...

By John Yoon A winter storm in Northern California spawned a tornado on Friday, setting off a warning for people to seek shelter urgently. The tornado was confirmed around 5:30 p.m. local time ...

A strong thunderstorm birthed a rare tornado on Friday evening near Paynes Creek in Tehama County, close to the Shasta County border in Northern California, according to meteorologists.

A PG&E camera that is part of UC San Diego’s ALERT California network captured a tornado that touched down around 5:20 p.m. Friday in an unpopulated part of Tehama County. PG&E via ...