Horses do not race around BEFORE a storm. Some horses will get fresh if they experience a gust of wind, esp. if it is cooler on a hot day. And sometimes a group of horses can be startled by a close bolt of lightening or loud clap of thunder. Otherwise they take it all in stride.
Tornadoes are the most violent storms on Earth. As such a tornado will usually be the most violent part of its parent storm.
yes maybe no
A violent storm
The people was losing to the tempest they had never before encountered such a long-lasting and violent storm.
A small violent storm might include a thunderstorm or a tornado. The hurricanes tend to be much larger violent storms than tornadoes or thunderstorms.
Tornadoes
If there is lightning the race will not run because the starting gates are electric.
Typhoon
A solar flair.
The violent storm on the sun is called prominence
Tempest.
tornado