Like most counties in Indiana, Clark County does not activate outdoor warning sirens for flash floods, only for tornadoes or severe thunderstorms with dangerous winds.

Statistically, flash floods are the number one storm-related killer in the United States. Heeding those warnings could mean the difference between life and death.

The man who said he helped Kerr County implement an emergency alert system in his former role there as information technology director is now calling on top leaders to step down following a flash flood that killed more than 100 people.

Even when floods can be anticipated, communicating their severity to the public is a tall order. Because flash floods are very localized, even neighborhood-level warnings may seem like false alarms to some residents, leading to what the journalist Zoë Schlanger has dubbed “ alert fatigue .”

Failing to translate flood forecasts into timely messages that tell people what they need to do to stay safe can have tragic consequences. In Texas and elsewhere, the solution is more wide-ranging than fixing any single channel of communication.

It's the middle of severe weather season in Ohio, meaning more storms are likely still to come. Here's how the state will let you know when severe weather hits.

Another round of showers and thunderstorms moved across the Mid-Atlantic Tuesday after intense rain set off dangerous flash flooding from Virginia to New York on Monday, leaving at least two dead and prompting dozens of rescues as water overwhelmed roads and subways.

Scholars and designers of early warning systems say that there are still huge gaps in our ability to predict flash floods and warn those at risk.

Since 2016, the topic of a "flood warning system" for Kerr County has come up at 20 different county commissioners' meetings, according to minutes. The idea for a system was first introduced by Kerr County Commissioner Thomas Moser and Emergency Management Coordinator Dub Thomas in March 2016.

Local lawmakers admitted that “there’s going to be a lot of finger-pointing” over what went wrong before the devastating floods