A 100-year flood means that there is a 1% chance of that flood happening in any given year at your home’s location. A 1,000-year flood would be a 0.1% chance, so in 1,000 years, you’d expect 1 ...

MUCH AS THEY CAN. AND IN JUST THE LAST COUPLE OF DAYS, AREAS OF TEXAS SAW TWO 1000 YEAR FLOOD EVENTS AND TWO 500 YEAR FLOOD EVENTS. FIRST WARNING METEOROLOGIST ERIC BURRIS EXPLAINS WHAT THOSE ...

There are different criteria to qualify as a 100-year or 1000-year rainfall event, such as statistical probability, rainfall amounts, duration of impact, and the environment.

More than a dozen "1,000-year floods" in just three days. That number has stunned even veteran meteorologists. From Texas to North Carolina, entire communities were swamped by what should have ...

WRAL reported that areas of Moore, Orange, Chatham, and Durham counties experienced what researchers call a "500-year to 1,000-year flood" — an event with just a 0.1% to 0.2% chance of happening ...

Admittedly, the phrase "500-year to 1,000-year flood" can be misconstrued. What it means is that - statistically speaking - a flood like that has a 0.2% to 0.1% chance of happening in any given year.