The average tornado lasts about 15 minutes, but they can last anywhere from just a few seconds to several hours.
The average tornado lasts about 10 minutes. However, duration can vary greatly. Some tornadoes last only a few seconds. In rare cases a tornado can be on the ground for an hour of more. The infamous Tri-State tornado of 1925 is believed to have been on the ground for over three and a half hours.
The average tornado lasts 10 minutes. But they can last anywhere from just a few seconds to over three hours.
The average tornado lasts 10-15 minutes. But duration may last anywhere from a few seconds to, in rare cases, over an hour. The longest lived tornado on record was on the ground for 3.5 hours.
There is no given duration for a tornado of any intensity, but a tornado as violent as an EF5 will generally last fairly long. Most will likely last for at least 20 minutes. Some may last for well over an hour.
3.5 hours
It was on the ground for about 30 minutes.
The Hallam tornado was on the ground for 1 hour and 35 minutes.
It varies widely. The average tornado lasts about 10 minutes. However, the duration of a tornado may be anywhere from just a few seconds to over an hour. The longest lasting tornado on record was on the ground for 3.5 hours.
The Tuscaloosa-Birmingham tornado of 2011 was on the ground for about 90 minutes.
The average tornado lasts about 10 minutes. However, duration can vary greatly. Some tornadoes last only a few seconds. In rare cases a tornado can be on the ground for an hour of more. The infamous Tri-State tornado of 1925 is believed to have been on the ground for over three and a half hours.
several hours
As of May 16, 2012 the last tornado was two days ago.
The worst tornado in U.S. history, the Tri-State tornado of 1925, was on the ground for 3 hours and 29 minutes. The worst in world history, the Daulatput-Saturia tornado of 1989, had a path length of 50 miles but it is not known how long it was on the ground. However, given the path length it was probably on the ground for an hour to two hours.
The average tornado lasts 10 minutes. But they can last anywhere from just a few seconds to over three hours.
The average tornado lasts 10-15 minutes. But duration may last anywhere from a few seconds to, in rare cases, over an hour. The longest lived tornado on record was on the ground for 3.5 hours.
There is no given duration for a tornado of any intensity, but a tornado as violent as an EF5 will generally last fairly long. Most will likely last for at least 20 minutes. Some may last for well over an hour.
It varies. A tornado warning may last for just a few minutes or over an hour.