Tornadoes are accompanied by the same color lightning that you would see in any other storm. It can be white, orange, pink, blue, or violet.
Since tornadoes are a form of weather, they would be predicted by a meteorologist.
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Tornadoes themselves cannot be seen from space because they are blocked from above by the thunderstorms that produce them. The link below shows a storm satellite of a storm system that was producing tornadoes at the time the picture was taken. The tornadoes themselves formed under the storms that are seen as the right-hand branch of the spiral-shaped system. Again, what you are seeing is the storm that produced the tornadoes, not the tornadoes themselves. At this resolution individual tornadoes would be too small to see anyway.
Tornadoes are more likely to occur in the late afternoon and early evening, between 3 p.m. and 7 p.m. This is when there is a combination of warm, moist air near the surface and cool, dry air aloft, creating favorable conditions for tornado formation.
Hail and tornadoes would most likely be associated with a cold front or dry line.
cold front
A cold front is most likely to bring hail and tornadoes into an area. As the cold front advances, it forces warm, moist air to rise rapidly, creating instability that can lead to severe thunderstorms, hail, and tornado development.
Tornadoes, hail and other forms of severe weather most often form ahead of cold fronts.
Severe thunderstorms most often occur ahead of cold fronts.
A cold front is most likely to bring hail and possible tornadoes into an area because of the rapid lifting of warm, moist air ahead of the front, creating unstable conditions conducive to severe weather. The cold front also provides the necessary temperature gradient and dynamics for the formation of strong thunderstorms capable of producing hail and tornadoes.
Hail and tornadoes are most often associated with cold fronts, but can occur with dry lines or, lest often, warm fronts.
A cold front would likely be a front that would produce hail and tornadoes in an area because cold fronts are different than warm fronts. Cold fronts are usually fronts that cause storms and if they have the right recipe it could produce damaging winds, hail and sometimes if it's very strong, tornadoes.
Cold weather. If a front was moving off the Pacific at the same time, you would see snow.
Cumulonimbus clouds are associated with thunderstorms, heavy rain, lightning, and strong winds. They can also bring hail and tornadoes in severe cases.
An occluded front would likely bring cold and dry weather.
Tornadoes do not come to life as they are not alive. As to, who, the answer would depend on your religious standpoint. Most scientists would say that nobody creates tornadoes; they are just a consequence of interactions of air currents in a thunderstorm. A Christian would likely say that God creates tornadoes.