Live updates: Tornado Watches issued as intense tornadoes, giant hail threaten millions
Supercells are the least common type of thunderstorm, but they often produce some of the most violent weather.
When severe weather is happening, meteorologists at the National Weather Service will issue a variety of alerts to keep you informed about the dangers you could face with tornadoes.When severe weather, thunderstorms and tornadoes are brewing, you'll likely see social media posts referencing "SPC" risks such as "Slight," "Enhanced," "Moderate" or “High."
For over a decade, the "Marginal to High" risk scale has been the gold standard for severe weather preparedness, but a new addition to the Storm Prediction Center's outlook marks the most significant evolution in SPC history since 2014.A tornado is assigned a rating from 0 to 5 on the Enhanced Fujita Scale to estimate its intensity in terms of damage and destruction caused along the twister’s path.It’s the one frozen precipitation that can occur in the middle of a summer heat wave: Hail.For over a decade, the "Marginal to High" risk scale has been the gold standard for severe weather preparedness, but a new addition to the Storm Prediction Center's outlook marks the most significant evolution in SPC history since 2014.Hail comes in a variety of sizes, and most people don't look forward to hearing large hail is a possibility during severe weather, fearing damage to their cars or homes.Supercells are the least common type of thunderstorm, but they often produce some of the most violent weather.When severe weather is happening, meteorologists at the National Weather Service will issue a variety of alerts to keep you informed about the dangers you could face with tornadoes.