Yes. In some of the most intense outbreaks there have been over a dozen tornadoes on the ground at the same time, though not in the same place.
Yes, of course there can be two tornadoes at the same time.
Florida can have tornadoes at any time of year. But the greatest number of tornadoes in Florida happen in the summer.
As of the writing of this answer at 5:45 PM EDT, May 9, 2016 there are two confirmed tornadoes on the ground near Davis, Oklahoma and Lincoln, Nebraska. These tornadoes will probably dissipate by the time you read this.
Yes. If two tornadoes collide they will merge to form one tornado.
It is entirely possible for two F1 tornadoes to merger. The resulting merged tornado would be larger than either of the original two tornadoes, but not necessarily stronger.
Tornadoes occur in all twelve months of the year, not just two. May and June are the most active months for tornadoes.
Yes, tornadoes can occur at any time of year.
Tornadoes can form at any time of day or night. The time from 3 PM to 9 PM is the most common time for tornadoes to form.
The most active time for tornadoes is generally in the spring.
There are multivortex tornadoes that at times can look like they are made up of two or more tornadoes
Yes. Tornadoes can occur at any time of year.
Yes. Tornadoes can occur at any time of year.