From yellow to red, weather warnings are designed to help people prepare for heavy rain and severe weather. Here's what each ...

The National Weather Service (NWS) located in Norman, Oklahoma, is responsible for issuing warnings as severe weather threatens across the country. The WRAL Severe Weather team receives these alerts ...

What are "Code Red" and "Code Purple" air quality alerts? The Air Quality Index has six color-coded categories, ranging from ...

With the looming threat of severe weather Tuesday evening, many people are relying on their cellphones to update them about ...